APGN / Apexigen Inc - Depositi SEC, Relazione annuale, dichiarazione di delega

Apexigen Inc
US ˙ NASDAQ ˙ US03759B1026
QUESTO SIMBOLO NON E' PIU' ATTIVO

Statistiche di base
LEI 549300J6CMJNVYHW0L19
CIK 1814140
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Apexigen Inc
SEC Filings (Chronological Order)
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September 5, 2023 15-12G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTION 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTION 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number: 001-39488 Apexigen, Inc. (Exact name of registrant as specified in its chart

August 23, 2023 EX-3.1

THIRD AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF APEXIGEN, INC. August 23, 2023

EXHIBIT 3.1 THIRD AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF APEXIGEN, INC. August 23, 2023 FIRST: The name of the corporation is Apexigen, Inc. (the “Corporation”). SECOND: The Corporation shall have the authority to issue one class of shares to be designated Common Stock. The total number of shares of Common Stock the Corporation has authority to issue is 1,000 with par value of $0.001

August 23, 2023 S-8 POS

As filed with the Securities and Exchange Commission on August 23, 2023

As filed with the Securities and Exchange Commission on August 23, 2023 Registration No.

August 23, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 23, 2023 Apexigen, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-39488 85-1260244 (State or Other Jurisdiction of Incorporation) (Commission File Num

August 23, 2023 EX-3.2

OF PYXIS ONCOLOGY ACQUISITION CORP., A DELAWARE CORPORATION OF PYXIS ONCOLOGY ACQUISITION CORP. ARTICLE I OFFICES

EXHIBIT 3.2 BYLAWS OF PYXIS ONCOLOGY ACQUISITION CORP., A DELAWARE CORPORATION BYLAWS OF PYXIS ONCOLOGY ACQUISITION CORP. ARTICLE I OFFICES SECTION 1.01 The Corporation may have offices at such places both within and without the State of Delaware as the Board of Directors may from time to time determine or the business of the Corporation may require. Article II STOCKHOLDERS MEETINGS SECTION 2.01 A

August 22, 2023 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 22, 2023 Apexigen, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-39488 85-1260244 (State or Other Jurisdiction of Incorporation) (Commission File Num

August 18, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 15, 2023 Apexigen, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-39488 85-1260244 (State or Other Jurisdiction of Incorporation) (Commission File Num

August 16, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

August 15, 2023 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 15, 2023 Apexigen, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-39488 85-1260244 (State or Other Jurisdiction of Incorporation) (Commission File Num

August 11, 2023 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 11, 2023 Pyxis Oncology, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-40881 83-1160910 (State or Other Jurisdiction of Incorporation) (Commission Fi

August 11, 2023 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 11, 2023 Pyxis Oncology, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-40881 83-1160910 (State or Other Jurisdiction of Incorporation) (Commission Fi

August 10, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39488 Apexigen, Inc.

June 30, 2023 DEFM14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy State

June 30, 2023 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 28, 2023 Pyxis Oncology, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-40881 83-1160910 (State or Other Jurisdiction of Incorporation) (Commission File

May 25, 2023 425

Transcript of the webcast “Pyxis Oncology (Update)”, which was made available by Pyxis Oncology on May 24, 2023 and can be accessed at the Investors section of the Pyxis Oncology website at https://pyxisoncology.com. Pyxis Oncology (Update) May 24, 2

Filed by Pyxis Oncology, Inc. (Commission File No.: 001-40881) Pursuant to Rule 425 of the Securities Act of 1933 Subject Company: Apexigen Inc. (Commission File No.: 001-39488) Date: May 24, 2023 Transcript of the webcast “Pyxis Oncology (Update)”, which was made available by Pyxis Oncology on May 24, 2023 and can be accessed at the Investors section of the Pyxis Oncology website at https://pyxis

May 24, 2023 425

On May 24, 2023, Pyxis Oncology, Inc. made available the following communications. ALL-EMPLOYEE EMAIL

Filed by Pyxis Oncology, Inc. (Commission File No.: 001-40881) Pursuant to Rule 425 of the Securities Act of 1933 Subject Company: Apexigen Inc. (Commission File No.: 001-39488) Date: May 24, 2023 On May 24, 2023, Pyxis Oncology, Inc. made available the following communications. *** ALL-EMPLOYEE EMAIL TO: All Pyxis Employees From: Lara Sullivan Subject: This Mornings Press Release Dear Team, As yo

May 24, 2023 EX-2.1

AGREEMENT AND PLAN OF MERGER Pyxis Oncology, Inc. Ascent Merger Sub Corp. Apexigen, Inc. Dated as of May 23, 2023

EX-2.1 Exhibit 2.1 Execution Version AGREEMENT AND PLAN OF MERGER Among Pyxis Oncology, Inc. Ascent Merger Sub Corp. And Apexigen, Inc. Dated as of May 23, 2023 Table of Contents Page ARTICLE I The Merger 1 Section 1.01. The Merger 1 Section 1.02. Closing 2 Section 1.03. Effective Time 2 Section 1.04. Effects 2 Section 1.05. Certificate of Incorporation and Bylaws 2 Section 1.06. Directors 2 Secti

May 24, 2023 EX-10.1

VOTING AGREEMENT

EX-10.1 Exhibit 10.1 VOTING AGREEMENT This Voting Agreement (this “Voting Agreement”) is being delivered on May 23, 2023 by the person or persons named on the signature pages hereto (collectively, the “Holder”), as the holder of Company Shares (as defined below) of Apexigen, Inc., a Delaware corporation (the “Company”), to Pyxis Oncology, Inc., a Delaware corporation (“Parent”). Reference is made

May 24, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 23, 2023 Apexigen, Inc. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 23, 2023 Apexigen, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-39488 85-1260244 (State or Other Jurisdiction of Incorporation) (Commission File Number

May 24, 2023 EX-99.1

This presentation contains forward looking statements for the purposes of the safe harbor provisions under The Private Securities Litigation Reform Act of 1995 and other federal securities laws. All statements other than statements of historical fact

Pyxis Oncology Acquisition of Apexigen Nasdaq: PYXS May 24, 2023 Exhibit 99.1 This presentation contains forward looking statements for the purposes of the safe harbor provisions under The Private Securities Litigation Reform Act of 1995 and other federal securities laws. All statements other than statements of historical facts contained in this presentation, including without limitation statement

May 24, 2023 EX-99.1

Pyxis Oncology to Acquire Apexigen Pyxis Oncology positioned at forefront of Antibody-Drug Conjugate (ADC) development Commercially and clinically validated APXiMAB platform for antibody generation complements FACT ADC toolkit of linkers, payloads an

EX-99.1 Exhibit 99.1 Pyxis Oncology to Acquire Apexigen Pyxis Oncology positioned at forefront of Antibody-Drug Conjugate (ADC) development Commercially and clinically validated APXiMAB platform for antibody generation complements FACT ADC toolkit of linkers, payloads and conjugation chemistries previously obtained from Pfizer Sotigalimab, a potential best-in-class Phase 2 CD40 agonist, has demons

May 24, 2023 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 23, 2023 Apexigen, Inc. (Exac

425 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 23, 2023 Apexigen, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-39488 85-1260244 (State or Other Jurisdiction of Incorporation) (Commission File Nu

May 24, 2023 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 24, 2023 Pyxis Oncology, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-40881 83-1160910 (State or Other Jurisdiction of Incorporation) (Commission File

May 15, 2023 EX-10.5

Appendix A Certain Definitions

Exhibit 10.5 March 1, 2023 Amy Wong Re: Retention Bonus and Retention RSUs Dear Amy: We view your contribution as important as we evaluate and pursue potential strategic alternative transactions. To show our appreciation for your contribution to Apexigen and as a further incentive to your continued employment with the Company Group, Apexigen is entering into this letter agreement (this “Retention

May 15, 2023 EX-10.3

Appendix A Certain Definitions

Exhibit 10.3 March 1, 2023 Francis Sarena Re: Retention Bonus and Retention RSUs Dear Francis: We view your contribution as important as we evaluate and pursue potential strategic alternative transactions. To show our appreciation for your contribution to Apexigen and as a further incentive to your continued employment with the Company Group, Apexigen is entering into this letter agreement (this “

May 15, 2023 EX-10.4

Appendix A Certain Definitions

Exhibit 10.4 March 1, 2023 William Duke, Jr. Re: Retention Bonus and Retention RSUs Dear Bill: We view your contribution as important as we evaluate and pursue potential strategic alternative transactions. To show our appreciation for your contribution to Apexigen and as a further incentive to your continued employment with the Company Group, Apexigen is entering into this letter agreement (this “

May 15, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39488 Apexigen, Inc.

April 12, 2023 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 11, 2023 Apexigen, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-39488 85-1260244 (State or Other Jurisdiction of Incorporation) (Commission File Numb

April 10, 2023 424B3

Apexigen, Inc. Up to 17,316,667 shares of common stock

424B3 Table of Contents Filed pursuant to Rule 424(b)(3) Registration No. 333-266847 PROSPECTUS Apexigen, Inc. Up to 17,316,667 shares of common stock This prospectus relates to the offer and sale from time to time of up to 17,316,667 shares of common stock, par value $0.0001 per share, of Apexigen, Inc., a Delaware corporation, by Lincoln Park Capital Fund, LLC (“Lincoln Park”), referred to herei

April 10, 2023 424B3

Primary Offering of 3,724,500 Shares of Common Stock Issuable Upon Exercise of Warrants Secondary Offering of 13,774,660 Shares of Common Stock 849,500 Warrants to Purchase Shares of Common Stock Apexigen, Inc.

Table of Contents Filed pursuant to Rule 424(b)(3) Registration No. 333-266846 PROSPECTUS Primary Offering of 3,724,500 Shares of Common Stock Issuable Upon Exercise of Warrants Secondary Offering of 13,774,660 Shares of Common Stock 849,500 Warrants to Purchase Shares of Common Stock Apexigen, Inc. This prospectus relates to the issuance by us of up to 3,724,500 shares of our Common Stock, par va

April 4, 2023 POS AM

As filed with the Securities and Exchange Commission on April 4, 2023

POS AM 1 d491680dposam.htm POS AM Table of Contents As filed with the Securities and Exchange Commission on April 4, 2023 Registration No. 333-266847 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-1 REGISTRATION STATEMENT Under The Securities Act of 1933 Apexigen, Inc. (Exact name of Registrant as specified in its charter) Delaware 2834 27-298940

April 4, 2023 POS AM

As filed with the Securities and Exchange Commission on April 4, 2023

POS AM Table of Contents As filed with the Securities and Exchange Commission on April 4, 2023 Registration No.

March 21, 2023 424B3

Up to 1,995,708 Shares of Common Stock and 2,095,493 Shares of Common Stock Issuable Upon Exercise of Warrants Apexigen, Inc.

424B3 Table of Contents Filed pursuant to Rule 424(b)(3) Registration No. 333-269912 PROSPECTUS Up to 1,995,708 Shares of Common Stock and 2,095,493 Shares of Common Stock Issuable Upon Exercise of Warrants Apexigen, Inc. This prospectus relates to the resale by the 2023 PIPE Investors (as defined below) and the Placement Agent (as defined below) named in this prospectus as selling securityholders

March 20, 2023 CORRESP

[Signature page follows]

March 20, 2023 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance, 100 F Street, N.E. Washington, D.C. 20549-3628 Attention: Josh Gorsky and Joe McCann Re: Apexigen, Inc. Registration Statement on Form S-1 File No. 333-269912 Acceleration Request Requested Date: March 21, 2023 Requested Time: 4:05 p.m. Eastern Time, or as soon thereafter as practicable Ladies and Gen

March 17, 2023 S-1/A

As filed with the Securities and Exchange Commission on March 17, 2023

S-1/A Table of Contents As filed with the Securities and Exchange Commission on March 17, 2023 Registration No.

February 27, 2023 EX-99

Apexigen Announces Review of Strategic Alternatives and Restructuring

EXHIBIT 99.1 Apexigen Announces Review of Strategic Alternatives and Restructuring SAN CARLOS, CA – February 27, 2023 – Apexigen, Inc. (Nasdaq: APGN) a clinical-stage company focused on developing innovative antibody-based therapeutics for the treatment of cancer with a focus on immuno-oncology, today announced that it has engaged Ladenburg Thalmann & Co. Inc. (“Ladenburg”) to evaluate strategic a

February 27, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 23, 2023 Apexigen, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-39488 85-1260244 (State or Other Jurisdiction of Incorporation) (Commission File N

February 22, 2023 EX-21.1

Subsidiaries of Apexigen, Inc.

EX-21.1 EXHIBIT 21.1 SUBSIDIARY OF THE COMPANY Name State of Incorporation Apexigen America, Inc. Delaware, U.S.A

February 22, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 001-39488 Apexigen, Inc.

February 22, 2023 EX-21

Subsidiary of Apexigen, Inc. (incorporated by reference to Exhibit 21.1 to the Annual Report on Form 10-K filed February 22, 2023).

EXHIBIT 21.1 SUBSIDIARY OF THE COMPANY Name State of Incorporation Apexigen America, Inc. Delaware, U.S.A

February 22, 2023 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-1 (Form Type) Apexigen, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1 – Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1) Proposed Maximum Offering Price Per Security Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Newly Registered Securities Equity

February 22, 2023 S-1

As filed with the Securities and Exchange Commission on February 22, 2023 Registration No. 333- SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT Under The Securities Act of 1933 Apexigen, Inc. (Exact name of R

Table of Contents As filed with the Securities and Exchange Commission on February 22, 2023 Registration No.

February 22, 2023 EX-4

Description of Securities.

EXHIBIT 4.6 DESCRIPTION OF SECURITIES The following description of the capital stock of Apexigen, Inc. (“us,” “our,” “we” or the “Company”) is a summary of the rights of our securities and certain provisions of our amended and restated certificate of incorporation and amended and restated bylaws as currently in effect. Because the following description is only a summary, it does not contain all th

February 14, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 13, 2023 Apexigen, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-39488 85-1260244 (State or Other Jurisdiction of Incorporation) (Commission File N

February 13, 2023 SC 13G/A

APGN / Apexigen Inc / PERISCOPE CAPITAL INC. - SC 13G/A Passive Investment

SC 13G/A 1 d452654dsc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Apexigen Inc (Name of Issuer) Common stock, $0.0001 par value per share (Title of Class of Securities) 03759B102 (CUSIP Number) December 31, 2022 (Date of Event which Requires Filing of this Statement) Check the app

February 13, 2023 SC 13G

APGN / Apexigen Inc / Yang Xiaodong - SC 13G Passive Investment

SC 13G 1 d414526dsc13g.htm SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. )* APEXIGEN, INC. (Name of Issuer) Common Stock, $0.0001 par value per share (Title of Class of Securities) 03759B 102 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the approp

February 1, 2023 8-K

Unregistered Sales of Equity Securities

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 31, 2023 Apexigen, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-39488 85-1260244 (State or Other Jurisdiction of Incorporation) (Commission File Nu

January 30, 2023 424B3

Primary Offering of 3,724,500 Shares of Common Stock Issuable Upon Exercise of Warrants Secondary Offering of 14,434,863 Shares of Common Stock 849,500 Warrants to Purchase Shares of Common Stock Apexigen, Inc.

Filed Pursuant to Rule 424(b)(3) Registration No. 333-266846 PROSPECTUS SUPPLEMENT NO. 1 (To the Prospectus dated September 9, 2022) Primary Offering of 3,724,500 Shares of Common Stock Issuable Upon Exercise of Warrants Secondary Offering of 14,434,863 Shares of Common Stock 849,500 Warrants to Purchase Shares of Common Stock Apexigen, Inc. This prospectus supplement supplements the prospectus, d

January 30, 2023 424B3

Apexigen, Inc. Up to 17,316,667 shares of common stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-266847 PROSPECTUS SUPPLEMENT NO. 1 (To the Prospectus dated September 9, 2022) Apexigen, Inc. Up to 17,316,667 shares of common stock This prospectus supplement supplements the prospectus, dated September 9, 2022 (as amended, the “Prospectus”), which forms a part of our registration statement on Form S-1 (No. 333-266847). This prospectus supple

January 26, 2023 SC 13G/A

BCACW / Brookline Capital Acquistion Corp Warrant / Kepos Capital LP - APEXIGEN, INC. Passive Investment

SC 13G/A 1 p23-0167sc13ga.htm APEXIGEN, INC. SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* Apexigen, Inc. (f/k/a Brookline Capital Acquisition Corp.) (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 0375B102 (CUSIP Number) December 31, 2022 (Date of event which requires

January 25, 2023 EX-99.1

Apexigen Announces Approximately $2.8 Million Private Placement Financing

Exhibit 99.1 Apexigen Announces Approximately $2.8 Million Private Placement Financing SAN CARLOS, CA - January 24, 2023 – Apexigen, Inc. (Nasdaq: APGN), a clinical-stage company focused on developing innovative antibody-based therapeutics for the treatment of cancer with a focus on immuno-oncology, today announced that it has entered into definitive agreements with new, biotechnology-focused inve

January 25, 2023 EX-10.2

Form of Registration Rights Agreement (incorporated by reference to Exhibit 10.2 to the Current Report on Form 8-K filed by the Company on January 25, 2023).

Exhibit 10.2 REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (this “Agreement”) is made and entered into as of [], 2023, between Apexigen, Inc., a Delaware corporation (the “Company”), and each of the several purchasers signatory hereto (each such purchaser, a “Purchaser” and, collectively, the “Purchasers”). This Agreement is made pursuant to the Securities Purchase Agreement, da

January 25, 2023 EX-4.1

Form of Common Stock Purchase Warrant (incorporated by reference to Exhibit 4.1 to the Current Report on Form 8-K filed by the Company on January 25, 2023).

Exhibit 4.1 NEITHER THIS SECURITY NOR THE SECURITIES FOR WHICH THIS SECURITY IS EXERCISABLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE REGISTR

January 25, 2023 8-K

Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 23, 2023 Apexigen, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-39488 85-1260244 (State or Other Jurisdiction of Incorporation) (Commission File Nu

January 25, 2023 EX-4.2

Form of Placement Agent Warrant (incorporated by reference to Exhibit 4.2 to the Current Report on Form 8-K filed by the Company on January 25, 2023).

Exhibit 4.2 NEITHER THIS SECURITY NOR THE SECURITIES FOR WHICH THIS SECURITY IS EXERCISABLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE REGISTR

January 25, 2023 EX-10.1

Form of Securities Purchase Agreement (incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K filed by the Company on January 25, 2023).

Exhibit 10.1 SECURITIES PURCHASE AGREEMENT This Securities Purchase Agreement (this “Agreement”) is dated as of January 23, 2023, between Apexigen, Inc., a Delaware corporation (the “Company”), and each purchaser identified on the signature pages hereto (each, including its successors and assigns, a “Purchaser” and collectively, the “Purchasers”). WHEREAS, subject to the terms and conditions set f

November 14, 2022 EX-99.1

Apexigen Announces Positive Interim Results from Phase 2 Trial Evaluating its CD40 Antibody, Sotigalimab, in Combination with Doxorubicin in Patients with Liposarcoma -Patients with liposarcoma (LPS) demonstrated prolonged median PFS (mPFS) relative

Exhibit 99.1 Apexigen Announces Positive Interim Results from Phase 2 Trial Evaluating its CD40 Antibody, Sotigalimab, in Combination with Doxorubicin in Patients with Liposarcoma -Patients with liposarcoma (LPS) demonstrated prolonged median PFS (mPFS) relative to historical controls treated with standard of care of doxorubicin- -Encouraging PFS data from the ongoing investigator sponsored trial

November 14, 2022 8-K

Financial Statements and Exhibits, Changes in Registrant's Certifying Accountant, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 08, 2022 Apexigen, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-39488 85-1260244 (State or Other Jurisdiction of Incorporation) (Commission File N

November 14, 2022 EX-16.1

Letter of Marcum LLP as to the change in certifying accountant, dated as of November 14, 2022 (incorporated by reference to Exhibit 16.1 to the Current Report on Form 8-K filed by the Company on November 14, 2022).

Exhibit 16.1 November 14, 2022 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We have read the statements made by Apexigen, Inc. (formerly known as Brookline Capital Acquisition Corp.) under Item 4.01 of its Form 8-K dated November 8, 2022. We agree with the statements concerning our Firm in such Form 8-K; we are not in a position to agree or disagree wit

November 14, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39488 Apexigen, Inc.

October 7, 2022 EX-4.2

Apexigen, Inc. 2010 Equity Plan, as amended, and forms of agreement thereunder (incorporated by reference to Exhibit 4.2 to the Registration Statement on Form S-8 filed by the Company on October 7, 2022).

Exhibit 4.2 APEXIGEN, INC. 2010 EQUITY INCENTIVE PLAN As Amended on November 24, 2017 1. Purposes of the Plan. The purposes of this Plan are: ? to attract and retain the best available personnel for positions of substantial responsibility, ? to provide additional incentive to Employees, Directors and Consultants, and ? to promote the success of the Company?s business. The Plan permits the grant of

October 7, 2022 EX-FILING FEES

Filing Fee Table.

EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) Apexigen, Inc.

October 7, 2022 S-8

As filed with the Securities and Exchange Commission on October 7, 2022

As filed with the Securities and Exchange Commission on October 7, 2022 Registration No.

October 7, 2022 EX-4.3

Apexigen, Inc. 2020 Equity Incentive Plan, as amended, and forms of agreement thereunder (incorporated by reference to Exhibit 4.3 to the Registration Statement on Form S-8 filed by the Company on October 7, 2022).

Exhibit 4.3 APEXIGEN, INC. 2020 EQUITY INCENTIVE PLAN 1. Purposes of the Plan. The purposes of this Plan are: ? to attract and retain the best available personnel for positions of substantial responsibility, ? to provide additional incentive to Employees, Directors and Consultants, and ? to promote the success of the Company?s business. The Plan permits the grant of Incentive Stock Options, Nonsta

September 9, 2022 424B3

Primary Offering of 3,724,500 Shares of Common Stock Issuable Upon Exercise of Warrants Secondary Offering of 14,434,863 Shares of Common Stock 849,500 Warrants to Purchase Shares of Common Stock Apexigen, Inc.

Table of Contents Filed pursuant to Rule 424(b)(3) Registration No. 333-266846 Primary Offering of 3,724,500 Shares of Common Stock Issuable Upon Exercise of Warrants Secondary Offering of 14,434,863 Shares of Common Stock 849,500 Warrants to Purchase Shares of Common Stock Apexigen, Inc. This prospectus relates to the issuance by us of up to 3,724,500 shares of our Common Stock, par value $0.0001

September 9, 2022 424B3

Apexigen, Inc. Up to 17,316,667 shares of common stock

Table of Contents Filed pursuant to Rule 424(b)(3) Registration No. 333-266847 PROSPECTUS Apexigen, Inc. Up to 17,316,667 shares of common stock This prospectus relates to the offer and sale from time to time of up to 17,316,667 shares of common stock, par value $0.0001 per share, of Apexigen, Inc., a Delaware corporation, by Lincoln Park Capital Fund, LLC (?Lincoln Park?), referred to herein as t

September 8, 2022 CORRESP

September 8, 2022

CORRESP 1 filename1.htm September 8, 2022 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance, 100 F Street, N.E. Washington, D.C. 20549-3628 Attention: Jane Park Re: Apexigen, Inc. Registration Statement on Form S-1 File No. 333-266847 Acceleration Request Requested Date: September 9, 2022 Requested Time: 4:05 p.m. Eastern Time, or as soon thereafter as practicable L

September 8, 2022 CORRESP

September 8, 2022

September 8, 2022 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance, 100 F Street, N.E. Washington, D.C. 20549-3628 Attention: Jane Park Re: Apexigen, Inc. Registration Statement on Form S-1 File No. 333-266846 Acceleration Request Requested Date: September 9, 2022 Requested Time: 4:05 p.m. Eastern Time, or as soon thereafter as practicable Ladies and Gentlemen: Pur

September 1, 2022 S-1/A

As filed with the Securities and Exchange Commission on September 1, 2022 Registration No. 333-266847 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 1 TO FORM S-1 REGISTRATION STATEMENT Under The Securities Act of 1933 Apexig

Table of Contents As filed with the Securities and Exchange Commission on September 1, 2022 Registration No.

September 1, 2022 CORRESP

September 1, 2022

Wilson Sonsini Goodrich & Rosati Professional Corporation 650 Page Mill Road Palo Alto, California 94304-1050 O: 650.

September 1, 2022 CORRESP

September 1, 2022

CORRESP 1 filename1.htm Wilson Sonsini Goodrich & Rosati Professional Corporation 650 Page Mill Road Palo Alto, California 94304-1050 O: 650.493.9300 F: 650.493.6811 September 1, 2022 Via EDGAR and Secure File Transfer U.S. Securities and Exchange Commission Division of Corporation Finance Office of Life Sciences 100 F Street, N.E. Washington, D.C. 20549 Attention: Jane Park Christine Westbrook Re

September 1, 2022 EX-2.1

Business Combination Agreement, dated as of March 17, 2022 (incorporated by reference to Exhibit 2.1 to the Registration Statement on form S-1/A filed on September 1, 2022).

Exhibit 2.1 [***] = Pursuant to Item 601(b)(10) of Regulation S-K, certain information contained in this document, marked by brackets, has been omitted because it is both not material and is the type of information that the registrant treats as private or confidential. Execution Version BUSINESS COMBINATION AGREEMENT by and among BROOKLINE CAPITAL ACQUISITION CORP., PROJECT BAROLO MERGER SUB, INC.

September 1, 2022 S-1/A

As filed with the Securities and Exchange Commission on September 1, 2022 Registration No. 333-266846 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 1 TO FORM S-1 REGISTRATION STATEMENT Under The Securities Act of 1933 Apexig

Table of Contents As filed with the Securities and Exchange Commission on September 1, 2022 Registration No.

September 1, 2022 EX-2.1

Business Combination Agreement, dated as of March 17, 2022.

[***] = Pursuant to Item 601(b)(10) of Regulation S-K, certain information contained in this document, marked by brackets, has been omitted because it is both not material and is the type of information that the registrant treats as private or confidential.

August 18, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 or ☐ TRANSITION REPORT

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 001-39

August 18, 2022 EX-99.2

APEXIGEN’S MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Exhibit 99.2 APEXIGEN?S MANAGEMENT?S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS The following discussion and analysis provide information which Apexigen?s management believes is relevant to an assessment and understanding of Apexigen?s results of operations and financial condition. You should read the following discussion and analysis of Apexigen?s results of operatio

August 18, 2022 EX-99.1

INDEX TO UNAUDITED CONDENSED FINANCIAL STATEMENTS Page Apexigen, Inc. Unaudited Condensed Financial Statements Condensed Balance Sheets as of December 31, 2021 and June 30, 2022 2 Condensed Statements of Operations and Comprehensive Loss for the Thre

Exhibit 99.1 INDEX TO UNAUDITED CONDENSED FINANCIAL STATEMENTS Page Apexigen, Inc. Unaudited Condensed Financial Statements Condensed Balance Sheets as of December 31, 2021 and June 30, 2022 2 Condensed Statements of Operations and Comprehensive Loss for the Three and Six Months Ended June 30, 2021 and 2022 3 Condensed Statements of Convertible Preferred Stock and Stockholders? Deficit for the Thr

August 18, 2022 8-K/A

Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 29, 2022 Apexigen, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39488 85-1260244 (State or other jurisdiction of incorporation) (C

August 18, 2022 EX-99.3

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

Exhibit 99.3 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION Capitalized terms used but not defined in this Exhibit 99.3 shall have the meanings ascribed to them in the Current Report on Form 8-K (the ?Form 8-K?) filed with the Securities and Exchange Commission (the ?SEC?) on August 4, 2022, as amended, and, if not defined in the Form 8-K, the definitive proxy statement/prospectus/in

August 15, 2022 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-CEN ☐ Form N-CSR For Period Ended: June 30, 2022 ☐ Trans

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ? Form 10-K ? Form 20-F ? Form 11-K ? Form 10-Q ? Form 10-D ? Form N-CEN ? Form N-CSR For Period Ended: June 30, 2022 ? Transition Report on Form 10-K ? Transition Report on Form 20-F ? Transition Report on Form 11-K ? Transition Report on Form 10-Q For the Transition Period

August 12, 2022 S-1

Power of Attorney (included on signature page to the initial filing of this Registration Statement).

Table of Contents As filed with the Securities and Exchange Commission on August 12, 2022 Registration No.

August 12, 2022 EX-FILING FEES

Filing Fee Table

EX-FILING FEES 6 d392856dexfilingfees.htm EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form S-1 (Form Type) Apexigen, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Of

August 12, 2022 EX-21.1

Subsidiaries of Apexigen, Inc.

EX-21.1 3 d392856dex211.htm EX-21.1 Exhibit 21.1 Apexigen, Inc. Subsidiaries Name of Subsidiary State of Incorporation Apexigen America, Inc. Delaware

August 12, 2022 EX-FILING FEES

Filing Fee Table

EX-FILING FEES 6 d366679dexfilingfees.htm EX-FILING FEES Exhibit 107 Calculation of Filing Fee Table S-1 (Form Type) Apeixgen, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1—Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation Rule Amount to be Registered(1) Proposed Maximum Offering Price Per Unit Proposed Maximum Aggregate Offering

August 12, 2022 S-1

As filed with the Securities and Exchange Commission on August 12, 2022

Table of Contents As filed with the Securities and Exchange Commission on August 12, 2022 Registration No.

August 12, 2022 EX-21.1

Subsidiaries of Apexigen, Inc.

Exhibit 21.1 Apexigen, Inc. Subsidiaries Name of Subsidiary State of Incorporation Apexigen America, Inc. Delaware

August 11, 2022 SC 13G

APGN / Apexigen Inc / 3E Bioventures Capital, L.P. Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Apexigen, Inc. (Name of Issuer) Common Stock, $0.0001 par value per share (Title of Class of Securities) 03759B102 (CUSIP Number) July 29, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuan

August 11, 2022 EX-99.1

JOINT FILING AGREEMENT

Exhibit 99.1 JOINT FILING AGREEMENT The undersigned acknowledge and agree that the foregoing statement on Schedule 13G is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G shall be filed on behalf of each of the undersigned without the necessity of filing additional joint filing statements. The undersigned acknowledge that each shall be

August 8, 2022 SC 13G

APGN / Apexigen Inc / Decheng Capital China Life Sciences USD Fund II, L.P. - SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d–102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO §240.13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO §240.13d-2. (Amendment No.) Apexigen, Inc. (Name of Issuer) Common Stock, par value $ 0.0001 per share (Title of Class of Securities) 03759B102 (CUSIP Number) July 29, 2022

August 4, 2022 EX-3.1

Amended and Restated Certificate of Incorporation of the Company (incorporated by reference to Exhibit 3.1 to the Current Report on Form 8-K filed by the Company on August 4, 2022).

Exhibit 3.1 SECOND AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF BROOKLINE CAPITAL ACQUISITION CORP. Brookline Capital Acquisition Corp., a Delaware corporation (the ?Corporation?), hereby certifies that: 1. The Corporation was incorporated under the name Brookline Capital Acquisition Corp. The original Certificate of Incorporation of the Corporation was filed with the Secretary of State of

August 4, 2022 EX-10.6

Apexigen, Inc. 2022 Employee Stock Purchase Plan and forms of agreements thereunder (incorporated by reference to Exhibit 10.6 to the Current Report on Form 8-K filed by the Company on August 4, 2022).

Exhibit 10.6 APEXIGEN, INC. 2022 EMPLOYEE STOCK PURCHASE PLAN 1. Purpose. The purpose of this Plan is to provide employees of the Company and its Designated Companies with an opportunity to purchase Common Stock through accumulated Contributions. The Company intends for this Plan to have two components: a component that is intended to qualify as an ?employee stock purchase plan? under Code Section

August 4, 2022 8-K

Changes in Control of Registrant, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Amendment to Registrant's Code of Ethics, or Waiver of a Provision of the Code of Ethics, Change in Shell Company Status, Entry into a Material Definitive Agreement, Material Modification to Rights of Security Holders, Unregistered Sales of Equity Securities, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 29, 2022 Apexigen, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39488 85-1260244 (State or other jurisdiction of incorporation) (Commission File Numbe

August 4, 2022 EX-3.2

Amended and Restated Bylaws of the Company (incorporated by reference to Exhibit 3.2 to the Current Report on Form 8-K filed by the Company on August 4, 2022).

Exhibit 3.2 AMENDED AND RESTATED BYLAWS OF APEXIGEN, INC. (Effective July 29, 2022) TABLE OF CONTENTS Page ARTICLE I?CORPORATE OFFICES 1 1.1 REGISTERED OFFICE 1 1.2 OTHER OFFICES 1 ARTICLE II?MEETINGS OF STOCKHOLDERS 1 2.1 PLACE OF MEETINGS 1 2.2 ANNUAL MEETING 1 2.3 SPECIAL MEETING 1 2.4 ADVANCE NOTICE PROCEDURES 2 2.5 NOTICE OF STOCKHOLDERS? MEETINGS 6 2.6 QUORUM 6 2.7 ADJOURNED MEETING; NOTICE

August 4, 2022 EX-10.5

Apexigen, Inc. 2022 Equity Incentive Plan and forms of agreements thereunder (incorporated by reference to Exhibit 10.5 to the Current Report on Form 8-K filed by the Company on August 4, 2022).

Exhibit 10.5 APEXIGEN, INC. 2022 EQUITY INCENTIVE PLAN 1. Purposes of this Plan. The purposes of this Plan are: ? to attract and retain highly talented personnel, ? to provide additional incentive to Employees, Directors and Consultants, and ? to promote the success of the Company?s business. The Plan permits the grant of Incentive Stock Options, Nonstatutory Stock Options, Stock Appreciation Righ

August 4, 2022 EX-4.3

Amended and Restated Warrant Agreement, dated July 29, 2022, by and between BCAC and Continental Stock Transfer & Trust Company, LLC (incorporated by reference to Exhibit 4.3 to the Current Report on Form 8-K filed by the Company on August 4, 2022).

Exhibit 4.3 BROOKLINE CAPITAL ACQUISITION CORP. and CONTINENTAL STOCK TRANSFER & TRUST COMPANY AMENDED AND RESTATED WARRANT AGREEMENT THIS AMENDED AND RESTATED WARRANT AGREEMENT (this ?Agreement?), dated as of July 29, 2022, is by and between Brookline Capital Acquisition Corp., a Delaware corporation (the ?Company?), and Continental Stock Transfer & Trust Company, a New York corporation, as warra

August 4, 2022 EX-99.1

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

EXHIBIT: 99.1 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION Capitalized terms used but not defined in this Exhibit 99.1 shall have the meanings ascribed to them in the Current Report on Form 8-K (the ?Form 8-K?) filed with the Securities and Exchange Commission (the ?SEC?) on August 4, 2022 and, if not defined in the Form 8-K, the definitive proxy statement/prospectus/information st

August 1, 2022 EX-99.1

Apexigen Completes Business Combination to Become a Publicly Listed Immuno-oncology Company -Common stock of Apexigen to commence trading on the Nasdaq Capital Market today under the ticker symbol “APGN” - -Clinical pipeline includes multiple Phase 2

EX-99.1 Exhibit 99.1 Apexigen Completes Business Combination to Become a Publicly Listed Immuno-oncology Company -Common stock of Apexigen to commence trading on the Nasdaq Capital Market today under the ticker symbol “APGN” - -Clinical pipeline includes multiple Phase 2 studies of sotigalimab, a CD40 agonist antibody with first-in-class and best-in-class potential- -Gross proceeds from the transa

August 1, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): July 29, 2022 Apexigen, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39488 85-1260244 (State or other jurisdiction of incorporation) (Commission File Numbe

August 1, 2022 SC 13G/A

BCACW / Brookline Capital Acquistion Corp Warrant / Feis Lawrence Michael - SCHEDULE 13G Passive Investment

OMB APPROVAL UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 OMB Number:3235-0145 Expires:Febuary 28, 2009 Estimated average burden hours per response ....10.4 SCHEDULE 13G Under the Securities and Exchange Act of 1934 (Amendment No. 1 )* Brookline Capital Acquisition Corp. (Name of Issuer) Common stock, par value $ 0.0001 (Title of Class of Securities) 11374E104 (CUSIP Num

July 28, 2022 EX-99.1

BROOKLINE CAPITAL ACQUISITION CORP. AND APEXIGEN, INC. ANNOUNCE STOCKHOLDER APPROVAL OF BUSINESS COMBINATION Expected Closing Date of July 29, 2022 Combined Company Expected to Begin Trading on Nasdaq Capital Market Under Ticker Symbols “APGN” and “A

Exhibit 99.1 BROOKLINE CAPITAL ACQUISITION CORP. AND APEXIGEN, INC. ANNOUNCE STOCKHOLDER APPROVAL OF BUSINESS COMBINATION Expected Closing Date of July 29, 2022 Combined Company Expected to Begin Trading on Nasdaq Capital Market Under Ticker Symbols ?APGN? and ?APGNW,? respectively, on August 1, 2022 NEW YORK, NY & PALO ALTO, CA ? July 27, 2022 ? Brookline Capital Acquisition Corp. (?BCAC?; Nasdaq

July 28, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 July 27, 2022 Date of Report (date of earliest event reported) BROOKLINE CAPITAL ACQUISITION CORP. (Exact name of Registrant as specified in its charter) Delaware 001-39488 85-1260244 (State or other jurisdiction of incorporation or

July 18, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 July 18, 2022 Date of Report (date of earliest event reported) BROOKLINE CAPITAL ACQUISITION CORP. (Exact name of Registrant as specified in its charter) Delaware 001-39488 85-1260244 (State or other jurisdiction of incorporation or

July 18, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 July 18, 2022 Date of Report (date of earliest event reported) BROOKLINE CAPITAL AC

425 1 d317170d425.htm 425 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 July 18, 2022 Date of Report (date of earliest event reported) BROOKLINE CAPITAL ACQUISITION CORP. (Exact name of Registrant as specified in its charter) Delaware 001-39488 85-1260244 (State or other jurisdi

July 18, 2022 EX-99.1

Apexigen and Brookline Capital Acquisition Corp. Announce Effectiveness of Registration Statement and Annual Stockholder Meeting to Approve the Proposed Business Combination

Exhibit 99.1 Brookline Capital Acquisition Corp. Apexigen and Brookline Capital Acquisition Corp. Announce Effectiveness of Registration Statement and Annual Stockholder Meeting to Approve the Proposed Business Combination SAN CARLOS, CA and NEW YORK, NY ? July 18, 2022 ? On March 18, 2022 Brookline Capital Acquisition Corp. (?BCAC?), a life-science focused Special Purpose Acquisition Company (?SP

July 11, 2022 425

Apexigen to Participate in the Brookline Capital Markets Newport Symposium

Filed by Brookline Capital Acquisition Corp. Pursuant to Rule 425 under the Securities Act of 1933 Subject Company: Apexigen, Inc. Commission File No. 001-39488 Date: July 11, 2022 Apexigen to Participate in the Brookline Capital Markets Newport Symposium SAN CARLOS, CA ? July 11, 2022 ? Apexigen, Inc. (?Apexigen?), a clinical-stage company focused on developing innovative antibody-based therapeut

July 6, 2022 424B3

BROOKLINE CAPITAL ACQUISITION CORP. 280 Park Avenue, Suite 43W, New York, NY 10017 PROSPECTUS FOR 16,434,875 SHARES OF COMMON STOCK OF BROOKLINE CAPITAL ACQUISITION CORP.

Table of Contents FILED PURSUANT TO RULE 424(B)(3) REGISTRATION NO. 333-264222 BROOKLINE CAPITAL ACQUISITION CORP. 280 Park Avenue, Suite 43W, New York, NY 10017 PROSPECTUS FOR 16,434,875 SHARES OF COMMON STOCK OF BROOKLINE CAPITAL ACQUISITION CORP. On March 17, 2022, Brookline Capital Acquisition Corp., a Delaware corporation (?BCAC?), and Project Barolo Merger Sub, Inc., a Delaware corporation a

July 1, 2022 CORRESP

BROOKLINE CAPITAL ACQUISITION CORP. c/o DLA Piper LLP (US) 555 Mission Street, Suite 2400 San Francisco, California 94105-2933

BROOKLINE CAPITAL ACQUISITION CORP. c/o DLA Piper LLP (US) 555 Mission Street, Suite 2400 San Francisco, California 94105-2933 (415)615-6095 July 1, 2022 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance Office of Life Sciences 100 F Street, NE Judiciary Plaza Washington, D.C. 20549 RE: .Brookline Capital Acquisition Corp. (the “Company”) Registration Statement on Form S

June 30, 2022 CORRESP

June 30, 2022

DLA Piper LLP (US) 555 Mission St. #2400 San Francisco, California 94105 www.dlapiper.com June 30, 2022 United States Securities and Exchange Commission Division of Corporation Finance Office of Life Sciences 100 F Street, NE Washington, D.C. 20549 Attention: Jason L. Drory, Christine Westbrook, Li Xiao and Jeanne Baker Re: Brookline Capital Acquisition Corp. Amendment No.3 to Registration Stateme

June 30, 2022 EX-99.1

Brookline Capital Acquisition Corp. Confirms Receipt of Sponsor Funds to Extend Period of Time to Consummate Business Combination and for Additional Working Capital

EX-99.1 3 d356252dex991.htm EX-99.1 Exhibit 99.1 Brookline Capital Acquisition Corp. Confirms Receipt of Sponsor Funds to Extend Period of Time to Consummate Business Combination and for Additional Working Capital New York, NY – June 30, 2022 – Brookline Capital Acquisition Corp. (“BCAC”) (Nasdaq: BCAC), a blank check company, also commonly referred to as a special purpose acquisition company, or

June 30, 2022 EX-10.1

Second Amended and Restated Promissory Note dated June 29, 2022 issued in favor of Brookline Capital Holdings, LLC

Exhibit 10.1 THIS PROMISSORY NOTE (?NOTE?) HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE ?SECURITIES ACT?). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN OPINION OF COUNSEL REASONABLY SATISFACTORY IN FORM, SCOPE AND SUBSTANCE TO THE COMPANY

June 30, 2022 8-K

Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 June 30, 2022 (June 29, 2022) Date of Report (date of earliest event reported) BROOKLINE CAPITAL ACQUISITION CORP. (Exact name of Registrant as specified in its charter) Delaware 001-39488 85-1260244 (State or other jurisdiction of i

June 30, 2022 EX-99.1

Form of Proxy Card.

Exhibit 99.1 YOUR VOTE IS IMPORTANT. PLEASE VOTE TODAY. Brookline Capital Acquisition Corp. 2022 ANNUAL MEETING OF STOCKHOLDERS July 27, 2022 This Proxy is Solicited On Behalf Of The Board Of Directors Vote Your Proxy by mail: Mark, sign and date your proxy card and return it in the postage-paid envelope provided. Please mark your votes like this x p FOLD HERE ? DO NOT SEPARATE ? INSERT IN ENVELOP

June 30, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 June 30, 2022 (June 29, 2022) Date of Report (date of earliest event reported) BROO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 June 30, 2022 (June 29, 2022) Date of Report (date of earliest event reported) BROOKLINE CAPITAL ACQUISITION CORP. (Exact name of Registrant as specified in its charter) Delaware 001-39488 85-1260244 (State or other jurisdiction of i

June 30, 2022 S-4/A

As filed with the Securities and Exchange Commission on June 30, 2022.

Table of Contents As filed with the Securities and Exchange Commission on June 30, 2022.

June 29, 2022 425

Apexigen Announces Board Appointment and New Chair Meenu Chhabra Karson appointed to Board succeeding Dr. Kenneth Fong as Chair of the Board

Filed by Brookline Capital Acquisition Corp. Pursuant to Rule 425 under the Securities Act of 1933 Subject Company: Apexigen, Inc. Commission File No. 001-39488 Date: June 29, 2022 Apexigen Announces Board Appointment and New Chair Meenu Chhabra Karson appointed to Board succeeding Dr. Kenneth Fong as Chair of the Board SAN CARLOS, CA ? June 29, 2022 ? Apexigen, Inc. (?Apexigen? or the ?Company?),

June 27, 2022 EX-2.1

Amendment No. 1 to Business Combination Agreement, dated as of June 26, 2022 (incorporated by reference to Exhibit 2.1 to the Current Report on Form 8-K filed by BCAC on June 27, 2022).

Exhibit 2.1 AMENDMENT NO. 1 TO BUSINESS COMBINATION AGREEMENT This Amendment No. 1 to Business Combination Agreement dated as of June 26, 2022 (this ?Amendment?) is among Brookline Capital Acquisition Corp., a Delaware corporation (?BCAC?), Project Barolo Merger Sub, Inc., a Delaware corporation (?Merger Sub?), and Apexigen, Inc., a Delaware corporation (the ?Company?). Capitalized terms used but

June 27, 2022 EX-10.15

Change in Control and Severance Plan (incorporated by reference to Exhibit 10.15 to the Registration Statement on Form S-4/A filed by BCAC on June 27, 2022).

Exhibit 10.15 Apexigen, Inc. Executive Change in Control and Severance Plan and Summary Plan Description 1. Introduction. The purpose of this Apexigen, Inc. Executive Change in Control and Severance Plan (this ?Plan?) is to provide assurances of specified benefits to certain employees of the Company Group whose employment could be being involuntarily terminated other than for death, Disability, or

June 27, 2022 EX-10.12

Confirmatory Employment Letter between Apexigen, Inc. and Frank Hsu (incorporated by reference to Exhibit 10.12 to the Registration Statement on Form S-4/A filed by BCAC on June 27, 2022).

Exhibit 10.12 June 24, 2022 Frank Hsu, M.D. c/o Apexigen, Inc. 75 Shoreway Road, Suite C San Carlos, CA 94070 Re: Confirmatory Employment Letter Dear Frank: This letter agreement (the ?Agreement?) is entered into between Frank Hsu, M.D. (?you?) and Apexigen, Inc. (the ?Company? or ?we?). This Agreement is effective as of the date you sign it, as indicated below. The purpose of this Agreement is to

June 27, 2022 EX-10.11

Confirmatory Employment Letter between Apexigen, Inc. and Amy Wong (incorporated by reference to Exhibit 10.11 to the Registration Statement on Form S-4/A filed by BCAC on June 27, 2022).

EX-10.11 4 d323670dex1011.htm EX-10.11 Exhibit 10.11 June 24, 2022 Amy Wong c/o Apexigen, Inc. 75 Shoreway Road, Suite C San Carlos, CA 94070 Re: Confirmatory Employment Letter Dear Amy: This letter agreement (the “Agreement”) is entered into between Amy Wong (“you”) and Apexigen, Inc. (the “Company” or “we”). This Agreement is effective as of the date you sign it, as indicated below. The purpose

June 27, 2022 EX-99.8

Consent of Meenu Karson to be named as a director nominee of the Combined Company.

Exhibit 99.8 Consent to be Named as Director In connection with the filing by Brookline Capital Acquisition Corp. (the ?Company?) of the Registration Statement on Form S-4 (as it may be amended from time to time, the ?Registration Statement?) with the United States Securities and Exchange Commission under the Securities Act of 1933, as amended (the ?Securities Act?), I hereby consent, pursuant to

June 27, 2022 EX-10.10

Confirmatory Employment Letter between Apexigen, Inc. and Xiaodong Yang (incorporated by reference to Exhibit 10.10 to the Registration Statement on Form S-4/A filed by BCAC on June 27, 2022).

Exhibit 10.10 June 24, 2022 Xiaodong Yang, M.D., Ph.D. c/o Apexigen, Inc. 75 Shoreway Road, Suite C San Carlos, CA 94070 Re: Confirmatory Employment Letter Dear Xiaodong: This letter agreement (the ?Agreement?) is entered into between Xiaodong Yang, M.D., Ph.D. (?you?) and Apexigen, Inc. (the ?Company? or ?we?). This Agreement is effective as of the date you sign it, as indicated below. The purpos

June 27, 2022 EX-10.13

Confirmatory Employment Letter between Apexigen, Inc. and Francis Sarena (incorporated by reference to Exhibit 10.13 to the Registration Statement on Form S-4/A filed by BCAC on June 27, 2022).

Exhibit 10.13 June 24, 2022 Francis Sarena c/o Apexigen, Inc. 75 Shoreway Road, Suite C San Carlos, CA 94070 Re: Confirmatory Employment Letter Dear Francis: This letter agreement (the ?Agreement?) is entered into between Francis Sarena (?you?) and Apexigen, Inc. (the ?Company? or ?we?). This Agreement is effective as of the date you sign it, as indicated below. The purpose of this Agreement is to

June 27, 2022 CORRESP

June 27, 2022

CORRESP 1 filename1.htm DLA Piper LLP (US) 555 Mission St. #2400 San Francisco, California 94105 www.dlapiper.com June 27, 2022 United States Securities and Exchange Commission Division of Corporation Finance Office of Energy & Transportation 100 F Street, NE Washington, D.C. 20549 Attention: Jason L. Drory, Christine Westbrook, Li Xiao and Jeanne Baker Re: Brookline Capital Acquisition Corp. Amen

June 27, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 June 27, 2022 (June 26, 2022) Date of Report (date of earliest event reported) BROOKLINE CAPITAL ACQUISITION CORP. (Exact name of Registrant as specified in its charter) Delaware 001-39488 85-1260244 (State or other jurisdiction of i

June 27, 2022 S-4/A

Annex A

Table of Contents As filed with the Securities and Exchange Commission on June 27, 2022.

June 27, 2022 EX-99.1

Form of Proxy Card.

Exhibit 99.1 YOUR VOTE IS IMPORTANT. PLEASE VOTE TODAY. Brookline Capital Acquisition Corp. 2022 ANNUAL MEETING OF STOCKHOLDERS [?], 2022 This Proxy is Solicited On Behalf Of The Board Of Directors Vote Your Proxy by mail: Mark, sign and date your proxy card and return it in the postage-paid envelope provided. Please mark your votes like this x p FOLD HERE ? DO NOT SEPARATE ? INSERT IN ENVELOPE PR

June 27, 2022 EX-10.14

Confirmatory Employment Letter between Apexigen, Inc. and William Duke, Jr. (incorporated by reference to Exhibit 10.14 to the Registration Statement on Form S-4/A filed by BCAC on June 27, 2022).

Exhibit 10.14 June 24, 2022 William Duke, Jr. c/o Apexigen, Inc. 75 Shoreway Road, Suite C San Carlos, CA 94070 Re: Confirmatory Employment Letter Dear William: This letter agreement (the ?Agreement?) is entered into between William Duke, Jr. (?you?) and Apexigen, Inc. (the ?Company? or ?we?). This Agreement is effective as of the date you sign it, as indicated below. The purpose of this Agreement

June 15, 2022 425

Corporate Overview JUNE 2022 Filed by Brookline Capital Acquisition Corp. Pursuant to Rule 425 under the Securities Act of 1933 Subject Company: Apexigen, Inc. Commission File No. 001-39488 Date: June 14, 2022

Corporate Overview JUNE 2022 Filed by Brookline Capital Acquisition Corp. Pursuant to Rule 425 under the Securities Act of 1933 Subject Company: Apexigen, Inc. Commission File No. 001-39488 Date: June 14, 2022 Disclaimer Statements Investor Presentation This investor presentation (the ?Presentation?) is for informational purposes only to assist interested parties in making their own evaluation wit

June 14, 2022 CORRESP

June 14, 2022

CORRESP 1 filename1.htm DLA Piper LLP (US) 555 Mission St. #2400 San Francisco, California 94105 www.dlapiper.com June 14, 2022 United States Securities and Exchange Commission Division of Corporation Finance Office of Energy & Transportation 100 F Street, NE Washington, D.C. 20549 Attention: Jason L. Drory, Christine Westbrook, Li Xiao and Jeanne Baker Re: Brookline Capital Acquisition Corp. Amen

June 14, 2022 EX-10.9

Form of Apexigen, Inc. Indemnification Agreement (incorporated by reference to Exhibit 10.9 to the Registration Statement on Form S-4/A filed by BCAC on May 24, 2022).

EX-10.9 2 d323670dex109.htm EX-10.9 Exhibit 10.9 Indemnification Agreement This Indemnification Agreement (this “Agreement”) is dated as of [●], 2022, and is between Apexigen, Inc., a Delaware corporation (the “Company”), and [●], an individual (“Indemnitee”). Recitals A. Indemnitee’s service to the Company substantially benefits the Company. B. Individuals are reluctant to serve as directors or o

June 14, 2022 S-4/A

Annex J

As filed with the Securities and Exchange Commission on June 14, 2022. Registration No. 333-264222 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 2 to FORM S-4 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 BROOKLINE CAPITAL ACQUISITION CORP. (Exact name of registrant as specified in its charter) Delaware 6770 85-1260244 (State or other jurisdiction

June 8, 2022 425

Apexigen Appoints William Duke as Chief Financial Officer

425 1 d522071d425.htm 425 Filed by Brookline Capital Acquisition Corp. Pursuant to Rule 425 under the Securities Act of 1933 Subject Company: Apexigen, Inc. Commission File No. 001-39488 Date: June 8, 2022 Apexigen Appoints William Duke as Chief Financial Officer SAN CARLOS, CA – June 8, 2022 – Apexigen, Inc. (“Apexigen”), a clinical-stage company focused on developing innovative antibody-based th

June 3, 2022 425

Apexigen Announces Nature Medicine Publication and ASCO Presentation on the Phase 2 PRINCE Trial Showcasing Distinct Biosignatures in Metastatic Pancreatic Cancer Patients Treated with Sotigalimab and/or Nivolumab in Combination with Chemotherapy - D

425 1 d358035d425.htm 425 Filed by Brookline Capital Acquisition Corp. Pursuant to Rule 425 under the Securities Act of 1933 Subject Company: Apexigen, Inc. Commission File No. 001-39488 Date: June 3, 2022 Apexigen Announces Nature Medicine Publication and ASCO Presentation on the Phase 2 PRINCE Trial Showcasing Distinct Biosignatures in Metastatic Pancreatic Cancer Patients Treated with Sotigalim

June 2, 2022 8-K

Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 June 2, 2022 Date of Report (date of earliest event reported) BROOKLINE CAPITAL ACQUISITION CORP. (Exact name of Registrant as specified in its charter) Delaware 001-39488 85-1260244 (State or other jurisdiction of incorporation or o

June 2, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 June 2, 2022 Date of Report (date of earliest event reported) BROOKLINE CAPITAL ACQ

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 June 2, 2022 Date of Report (date of earliest event reported) BROOKLINE CAPITAL ACQUISITION CORP. (Exact name of Registrant as specified in its charter) Delaware 001-39488 85-1260244 (State or other jurisdiction of incorporation or o

June 2, 2022 EX-99.1

Brookline Capital Acquisition Corp. Confirms Receipt of Sponsor Funds to Extend Period of Time to Consummate Business Combination and for Additional Working Capital

Exhibit 99.1 Brookline Capital Acquisition Corp. Confirms Receipt of Sponsor Funds to Extend Period of Time to Consummate Business Combination and for Additional Working Capital New York, NY ? June 2, 2022 ? Brookline Capital Acquisition Corp. (?BCAC?) (Nasdaq: BCAC), a blank check company, also commonly referred to as a special purpose acquisition company, or SPAC, today announced that Brookline

June 2, 2022 EX-10.1

First Amended and Restated Promissory Note dated June 2, 2022 issued in favor of Brookline Capital Holdings, LLC

EX-10.1 2 d256173dex101.htm EX-10.1 Exhibit 10.1 THIS PROMISSORY NOTE (“NOTE”) HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN OPINION OF COUNSEL REASONABLY SATISFACTORY IN FORM,

May 24, 2022 EX-10.9

Form of Apexigen, Inc. Indemnification Agreement.

Exhibit 10.9 Indemnification Agreement This Indemnification Agreement (this ?Agreement?) is dated as of [?], 2022, and is between Apexigen, Inc., a Delaware corporation (the ?Company?), and [?], an individual (?Indemnitee?). Recitals A. Indemnitee?s service to the Company substantially benefits the Company. B. Individuals are reluctant to serve as directors or officers of corporations or in certai

May 24, 2022 S-4/A

As filed with the Securities and Exchange Commission on May 23 , 2022. Registration No. 333-264222 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 1 to FORM S-4 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF

Table of Contents As filed with the Securities and Exchange Commission on May 23 , 2022.

May 23, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANG-E ACT OF 1934 For the quarterly period ended March 31, 2022 or ☐ TRANSITION REPO

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANG-E ACT OF 1934 For the quarterly period ended March 31, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 001-

May 23, 2022 CORRESP

May 23, 2022

DLA Piper LLP (US) 555 Mission St. #2400 San Francisco, California 94105 www.dlapiper.com May 23, 2022 United States Securities and Exchange Commission Division of Corporation Finance Office of Life Sciences 100 F Street, NE Washington, D.C. 20549 Attention: Jeanne Baker, Jason L. Drory, Christine Westbrook and Li Xiao Re: Brookline Capital Acquisition Corp. Registration Statement on Form S-4 File

May 19, 2022 425

1

Filed by Brookline Capital Acquisition Corp. Pursuant to Rule 425 under the Securities Act of 1933 Subject Company: Apexigen, Inc. Commission File No. 001-39488 Date: May 19, 2022 The following is a transcript from the Apexigen, Inc. Investor Day conference call held on May 16, 2022. CORPORATE PARTICIPANTS Tara Sobierajski, Event Coordinator, LifeSci Advisors Xiaodong Yang, MD, PhD, President and

May 16, 2022 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 12b-25 Commission File Number: 001-39488 NOTIFICATION OF LATE FILING ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR For Period Ended:

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 12b-25 Commission File Number: 001-39488 NOTIFICATION OF LATE FILING ? Form 10-K ? Form 20-F ? Form 11-K ? Form 10-Q ? Form 10-D ? Form N-SAR ? Form N-CSR For Period Ended: March 31, 2022 ? Transition Report on Form 10-K ? Transition Report on Form 20-F ? Transition Report on Form 11-K ? Transition Report on Form 10-Q ? T

May 16, 2022 425

Corporate Overview – Investor Day MAY 16, 2022 Filed by Brookline Capital Acquisition Corp. Pursuant to Rule 425 under the Securities Act of 1933 Subject Company: Apexigen, Inc. Commission File No. 001-39488 Date: May 16, 2022

Corporate Overview ? Investor Day MAY 16, 2022 Filed by Brookline Capital Acquisition Corp.

May 9, 2022 425

Apexigen to Host Investor Day on Antibody Therapeutic Pipeline and Unique APXiMAB™ Platform -Webinar to be held Monday, May 16th at 8:00 a.m. PT/ 11:00 a.m. ET-

425 1 d345757d425.htm 425 Filed by Brookline Capital Acquisition Corp. Pursuant to Rule 425 under the Securities Act of 1933 Subject Company: Apexigen, Inc. Commission File No. 001-39488 Date: May 9, 2022 Apexigen to Host Investor Day on Antibody Therapeutic Pipeline and Unique APXiMAB™ Platform -Webinar to be held Monday, May 16th at 8:00 a.m. PT/ 11:00 a.m. ET- SAN CARLOS, CA – May 9, 2022 – Ape

May 3, 2022 EX-10.1

Promissory Note dated May 2, 2022 issued in favor of Brookline Capital Holdings, LLC

Exhibit 10.1 THIS PROMISSORY NOTE (?NOTE?) HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE ?SECURITIES ACT?). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN OPINION OF COUNSEL REASONABLY SATISFACTORY IN FORM, SCOPE AND SUBSTANCE TO THE COMPANY

May 3, 2022 8-K

Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 May 2, 2022 Date of Report (date of earliest event reported) BROOKLINE CAPITAL ACQUISITION CORP. (Exact name of Registrant as specified in its charter) Delaware 001-39488 85-1260244 (State or other jurisdiction of incorporation or or

May 3, 2022 EX-99.1

Brookline Capital Acquisition Corp. Confirms Receipt of Sponsor Funds to Extend Period of Time to Consummate Business Combination and for Additional Working Capital

Exhibit 99.1 Brookline Capital Acquisition Corp. Confirms Receipt of Sponsor Funds to Extend Period of Time to Consummate Business Combination and for Additional Working Capital New York, NY ? May 2, 2022 ? Brookline Capital Acquisition Corp. (?BCAC?) (Nasdaq: BCAC), a blank check company, also commonly referred to as a special purpose acquisition company, or SPAC, today announced that Brookline C

May 3, 2022 EX-10.2

Promissory Note dated May 2, 2022 issued in favor of Brookline Capital Holdings, LLC

Exhibit 10.2 THIS PROMISSORY NOTE (?NOTE?) HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE ?SECURITIES ACT?). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN OPINION OF COUNSEL REASONABLY SATISFACTORY IN FORM, SCOPE AND SUBSTANCE TO THE COMPANY

April 26, 2022 8-K

Regulation FD Disclosure, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 April 26, 2022 Date of Report (date of earliest event reported) BROOKLINE CAPITAL ACQUISITION CORP. (Exact name of Registrant as specified in its charter) Delaware 001-39488 85-1260244 (State or other jurisdiction of incorporation or

April 26, 2022 EX-99.1

Brookline Capital Acquisition Corp. Announces Stockholder Approval of Extension Amendment to Complete its Business Combination with Apexigen, Inc.

Exhibit 99.1 Brookline Capital Acquisition Corp. Announces Stockholder Approval of Extension Amendment to Complete its Business Combination with Apexigen, Inc. New York, NY ? April 26, 2022 ? Brookline Capital Acquisition Corp. (?BCAC?) (Nasdaq: BCAC), a blank check company, also commonly referred to as a special purpose acquisition company, or SPAC, formed for the purpose of entering into a merge

April 26, 2022 EX-3.1

Certificate of Amendment to Amended and Restated Certificate of Incorporation

Exhibit 3.1 CERTIFICATE OF AMENDMENT TO THE AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF BROOKLINE CAPITAL ACQUISITION CORP. Brookline Capital Acquisition Corp., a corporation organized and existing under the by virtue of the General Corporation Law of the State of Delaware (the ?DGCL?), does hereby certify: 1. The name of the corporation is Brookline Capital Acquisition Corp. The corporat

April 22, 2022 425

Register and Attend

Filed by Brookline Capital Acquisition Corp. Pursuant to Rule 425 under the Securities Act of 1933 Subject Company: Apexigen, Inc. Commission File No. 001-39488 Date: April 22, 2022 Investor Day Hosted by Apexigen Monday, May 16, 2022 11:00 AM EDT Apexigen, a clinical-stage company focused on developing innovative antibody-based therapeutics for the treatment of cancer with a focus on immuno-oncol

April 13, 2022 SC 13G

BCACW / Brookline Capital Acquistion Corp Warrant / Feis Lawrence Michael - SCHEDULE 13G Passive Investment

Schedule 13G OMB APPROVAL UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 11, 2022 EX-99.5

Consent of Gordon Ringold to be named as a director nominee of the Combined Company.

Exhibit 99.5 Consent to be Named as Director In connection with the filing by Brookline Capital Acquisition Corp. (the ?Company?) of the Registration Statement on Form S-4 (as it may be amended from time to time, the ?Registration Statement?) with the United States Securities and Exchange Commission under the Securities Act of 1933, as amended (the ?Securities Act?), I hereby consent, pursuant to

April 11, 2022 EX-99.3

Consent of Herb Cross to be named as a director nominee of the Combined Company.

Exhibit 99.3 Consent to be Named as Director In connection with the filing by Brookline Capital Acquisition Corp. (the ?Company?) of the Registration Statement on Form S-4 (as it may be amended from time to time, the ?Registration Statement?) with the United States Securities and Exchange Commission under the Securities Act of 1933, as amended (the ?Securities Act?), I hereby consent, pursuant to

April 11, 2022 EX-99.6

Consent of Scott Smith to be named as a director nominee of the Combined Company.

Exhibit 99.6 Consent to be Named as Director In connection with the filing by Brookline Capital Acquisition Corp. (the ?Company?) of the Registration Statement on Form S-4 (as it may be amended from time to time, the ?Registration Statement?) with the United States Securities and Exchange Commission under the Securities Act of 1933, as amended (the ?Securities Act?), I hereby consent, pursuant to

April 11, 2022 EX-FILING FEES

Filing Fee Table

EX-FILING FEES 10 d323670dexfilingfees.htm EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form S-4 (Form Type) Brookline Capital Acquisition Corp. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1) (2) Proposed Maximum Offering Price Per Share Maximum Aggregate Offerin

April 11, 2022 EX-99.2

Consent of Xiaodong Yang, M.D., Ph.D. to be named as a director nominee of the Combined Company.

Exhibit 99.2 Consent to be Named as Director In connection with the filing by Brookline Capital Acquisition Corp. (the ?Company?) of the Registration Statement on Form S-4 (as it may be amended from time to time, the ?Registration Statement?) with the United States Securities and Exchange Commission under the Securities Act of 1933, as amended (the ?Securities Act?), I hereby consent, pursuant to

April 11, 2022 EX-99.7

Consent of Dan Zabrowski, Ph.D. to be named as a director nominee of the Combined Company.

Exhibit 99.7 Consent to be Named as Director In connection with the filing by Brookline Capital Acquisition Corp. (the ?Company?) of the Registration Statement on Form S-4 (as it may be amended from time to time, the ?Registration Statement?) with the United States Securities and Exchange Commission under the Securities Act of 1933, as amended (the ?Securities Act?), I hereby consent, pursuant to

April 11, 2022 EX-99.4

Consent of Jakob Dupont, M.D. to be named as a director nominee of the Combined Company.

Exhibit 99.4 Consent to be Named as Director In connection with the filing by Brookline Capital Acquisition Corp. (the ?Company?) of the Registration Statement on Form S-4 (as it may be amended from time to time, the ?Registration Statement?) with the United States Securities and Exchange Commission under the Securities Act of 1933, as amended (the ?Securities Act?), I hereby consent, pursuant to

April 11, 2022 S-4

Registration Rights and Lock-Up Agreement, dated March 17, 2022, by and among BCAC and certain equityholders named therein (incorporated by reference to Exhibit 10.3 to BCAC’s Registration Statement on Form S-4 filed with the SEC on April 11, 2022).

As filed with the Securities and Exchange Commission on April 8, 2022. Registration No. 333-[?] UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-4 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 BROOKLINE CAPITAL ACQUISITION CORP. (Exact name of registrant as specified in its charter) Delaware 6770 85-1260244 (State or other jurisdiction of incorporation or or

April 7, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the year ended December 31, 2021 OR ☐ Transition Report Pursuant t

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the year ended December 31, 2021 OR ? Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the Transition Period from to Commission File Number 001-39488 Broo

March 31, 2022 NT 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 12b-25 Commission File Number: 001-39488 CUSIP Number: NOTIFICATION OF LATE FILING ☒ Form 10-K ☐ Form 20-F ☐ Form 11-K ☐ Form 10-Q ☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR For

NT 10-K 1 d286698dnt10k.htm NT 10-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 12b-25 Commission File Number: 001-39488 CUSIP Number: 11374E104 11374E112 NOTIFICATION OF LATE FILING ☒ Form 10-K ☐ Form 20-F ☐ Form 11-K ☐ Form 10-Q ☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR For Period Ended: March 31, 2021 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F

March 28, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐

DEF 14A 1 d325246ddef14a.htm DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as

March 18, 2022 EX-10.4

Form of PIPE Subscription Agreement (incorporated by reference to Exhibit 10.4 to the Current Report on Form 8-K filed by BCAC on March 18, 2022).

EX-10.4 6 d336930dex104.htm EX-10.4 Exhibit 10.4 SUBSCRIPTION AGREEMENT This SUBSCRIPTION AGREEMENT (this “Subscription Agreement”) is entered into on March 17, 2022, by and between Brookline Capital Acquisition Corp., a Delaware corporation (the “Company”), and the undersigned [•] (the “Subscriber”). Defined terms used but not otherwise defined herein shall have the respective meanings ascribed t

March 18, 2022 EX-10.5

Lincoln Park Purchase Agreement (incorporated by reference to Exhibit 10.5 to the Current Report on Form 8-K filed by BCAC on March 18, 2022).

Exhibit 10.5 PURCHASE AGREEMENT THIS PURCHASE AGREEMENT (the ?Agreement?), dated as of March 17, 2022 by and among BROOKLINE CAPITAL ACQUISITION CORP., a Delaware corporation (the ?Company?), APEXIGEN, INC., a Delaware corporation (?Apexigen?) and LINCOLN PARK CAPITAL FUND, LLC, an Illinois limited liability company (the ?Investor?). WHEREAS: Pursuant to that certain Business Combination Agreement

March 18, 2022 EX-10.3

Sponsor Support Agreement, dated March 17, 2022, by and among BCAC, Apexigen, and the Sponsor (incorporated by reference to Exhibit 10.3 to the Current Report on Form 8-K filed by BCAC on March 18, 2022).

Exhibit 10.3 SPONSOR SUPPORT AGREEMENT This SPONSOR SUPPORT AGREEMENT (this ?Agreement?), dated as of March 17, 2022, is entered into by and among Brookline Capital Holdings, LLC, a Delaware limited liability company (the ?Sponsor?), Brookline Capital Acquisition Corp., a Delaware corporation (?BCAC?), and Apexigen, Inc., a Delaware corporation (the ?Company?). RECITALS WHEREAS, concurrently herew

March 18, 2022 EX-10.4

SUBSCRIPTION AGREEMENT

Exhibit 10.4 SUBSCRIPTION AGREEMENT This SUBSCRIPTION AGREEMENT (this ?Subscription Agreement?) is entered into on March 17, 2022, by and between Brookline Capital Acquisition Corp., a Delaware corporation (the ?Company?), and the undersigned [?] (the ?Subscriber?). Defined terms used but not otherwise defined herein shall have the respective meanings ascribed thereto in the Business Combination A

March 18, 2022 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 M?arch 17, 2022 (March 18, 2022) Date of Report (date of earliest event reported) Brookline Capital Acquisition Corp. (Exact name of Registrant as specified in its charter) Delaware 001-39488 85-1260244 (State or other jurisdiction o

March 18, 2022 EX-99.1

Apexigen and Brookline Capital Acquisition Corp. Announce Business Combination Agreement to Create Publicly Listed Immuno-oncology Company - Healthcare institutional investors and insiders commit $15 million through private investment in public equit

Exhibit 99.1 Apexigen and Brookline Capital Acquisition Corp. Announce Business Combination Agreement to Create Publicly Listed Immuno-oncology Company - Healthcare institutional investors and insiders commit $15 million through private investment in public equity (?PIPE?) - - Lincoln Park Capital has committed to purchase up to $50 million of common stock - - Proceeds to advance the Phase 2 devel

March 18, 2022 EX-10.3

SPONSOR SUPPORT AGREEMENT

Exhibit 10.3 SPONSOR SUPPORT AGREEMENT This SPONSOR SUPPORT AGREEMENT (this ?Agreement?), dated as of March 17, 2022, is entered into by and among Brookline Capital Holdings, LLC, a Delaware limited liability company (the ?Sponsor?), Brookline Capital Acquisition Corp., a Delaware corporation (?BCAC?), and Apexigen, Inc., a Delaware corporation (the ?Company?). RECITALS WHEREAS, concurrently herew

March 18, 2022 EX-10.2

REGISTRATION RIGHTS AND LOCK-UP AGREEMENT

Exhibit 10.2 REGISTRATION RIGHTS AND LOCK-UP AGREEMENT This Registration Rights and Lock-Up Agreement (this ?Agreement?) is made and entered into as of March 17, 2022 by and among Brookline Capital Acquisition Corp., a Delaware corporation (the ?Company?), and the parties listed on Schedule A hereto (each, a ?Holder? and collectively, the ?Holders?). Any capitalized term used but not defined herei

March 18, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 March 18, 2022 Date of Report (date of earliest event reported) Brookline Capital A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 March 18, 2022 Date of Report (date of earliest event reported) Brookline Capital Acquisition Corp. (Exact name of Registrant as specified in its charter) Delaware 001-39488 85-1260244 (State or other jurisdiction of incorporation or

March 18, 2022 EX-10.1

Stockholder Support Agreement, dated March 17, 2022, by and among BCAC, Apexigen, and certain stockholders of Apexigen (incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K filed by BCAC on March 18, 2022).

Exhibit 10.1 STOCKHOLDER SUPPORT AGREEMENT STOCKHOLDER SUPPORT AGREEMENT, dated as of March 17, 2022 (this ?Agreement?), by and among Brookline Capital Acquisition Corp., a Delaware corporation (?BCAC?), and certain of the stockholders of Apexigen, Inc., a Delaware corporation (the ?Company?), whose names appear on the signature pages of this Agreement (each, a ?Stockholder? and, collectively, the

March 18, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 March 18, 2022 Date of Report (date of earliest event reported) Brookline Capital Acquisition Corp. (Exact name of Registrant as specified in its charter) Delaware 001-39488 85-1260244 (State or other jurisdiction of incorporation or

March 18, 2022 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defi

March 18, 2022 EX-99.2

Disclaimer Statements Investor Presentation This investor presentation (the “Presentation”) is for informational purposes only to assist interested parties in making their own evaluation with respect the proposed business combination (the “Business C

MARCH 18, 2022 Combination of Apexigen, Inc. and Brookline Capital Acquisition Corp. Exhibit 99.2 Disclaimer Statements Investor Presentation This investor presentation (the ?Presentation?) is for informational purposes only to assist interested parties in making their own evaluation with respect the proposed business combination (the ?Business Combination?) between Apexigen, Inc. (?Apexigen?) and

March 18, 2022 EX-99.1

VIAVID communications simplified. Apexigen and Brookline Capital Acquisition Corp. Joint Conference Call Mar 18, 2022

Exhibit 99.1 VIAVID communications simplified. Apexigen and Brookline Capital Acquisition Corp. Joint Conference Call Mar 18, 2022 CORPORATE PARTICIPANTS Dr. Samuel P. Wertheimer, Chairman and Chief Executive Officer, Brookline Capital Acquisition Corp. Francis Sarena, Chief Operating Officer, Apexigen, Inc. Dr. Xiaodong Yang, Chief Executive Officer, Apexigen, Inc. PRESENTATION Operator Good morn

March 18, 2022 EX-99.1

Apexigen and Brookline Capital Acquisition Corp. Announce Business Combination Agreement to Create Publicly Listed Immuno-oncology Company - Healthcare institutional investors and insiders commit $15 million through private investment in public equit

Exhibit 99.1 Apexigen and Brookline Capital Acquisition Corp. Announce Business Combination Agreement to Create Publicly Listed Immuno-oncology Company - Healthcare institutional investors and insiders commit $15 million through private investment in public equity (?PIPE?) - - Lincoln Park Capital has committed to purchase up to $50 million of common stock - - Proceeds to advance the Phase 2 devel

March 18, 2022 EX-99.2

Disclaimer Statements Investor Presentation This investor presentation (the “Presentation”) is for informational purposes only to assist interested parties in making their own evaluation with respect the proposed business combination (the “Business C

MARCH 18, 2022 Combination of Apexigen, Inc. and Brookline Capital Acquisition Corp. Exhibit 99.2 Disclaimer Statements Investor Presentation This investor presentation (the ?Presentation?) is for informational purposes only to assist interested parties in making their own evaluation with respect the proposed business combination (the ?Business Combination?) between Apexigen, Inc. (?Apexigen?) and

March 18, 2022 EX-10.6

REGISTRATION RIGHTS AGREEMENT

Exhibit 10.6 REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (this ?Agreement?), dated as of March 17, 2022, by and among BROOKLINE CAPITAL ACQUISITION CORP., a Delaware corporation (the ?Company?), APEXIGEN, INC., a Delaware corporation (?Apexigen?), and LINCOLN PARK CAPITAL FUND, LLC, an Illinois limited liability company (together with it permitted assigns, the ?Buyer?). Capita

March 18, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 March 17, 2022 (March 18, 2022) Date of Report (date of earliest event reported) Br

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 March 17, 2022 (March 18, 2022) Date of Report (date of earliest event reported) Brookline Capital Acquisition Corp. (Exact name of Registrant as specified in its charter) Delaware 001-39488 85-1260244 (State or other jurisdiction of

March 18, 2022 EX-2.1

BUSINESS COMBINATION AGREEMENT by and among BROOKLINE CAPITAL ACQUISITION CORP., PROJECT BAROLO MERGER SUB, INC., APEXIGEN, INC. Dated as of March 17, 2022

Exhibit 2.1 Execution Version BUSINESS COMBINATION AGREEMENT by and among BROOKLINE CAPITAL ACQUISITION CORP., PROJECT BAROLO MERGER SUB, INC., and APEXIGEN, INC. Dated as of March 17, 2022 Table of Contents Page ARTICLE I DEFINITIONS 3 Section 1.01 Certain Definitions 3 Section 1.02 Further Definitions 13 Section 1.03 Construction 15 ARTICLE II AGREEMENT AND PLAN OF MERGER 16 Section 2.01 The Mer

March 18, 2022 EX-10.5

PURCHASE AGREEMENT

EX-10.5 7 d336930dex105.htm EX-10.5 Exhibit 10.5 PURCHASE AGREEMENT THIS PURCHASE AGREEMENT (the “Agreement”), dated as of March 17, 2022 by and among BROOKLINE CAPITAL ACQUISITION CORP., a Delaware corporation (the “Company”), APEXIGEN, INC., a Delaware corporation (“Apexigen”) and LINCOLN PARK CAPITAL FUND, LLC, an Illinois limited liability company (the “Investor”). WHEREAS: Pursuant to that ce

March 18, 2022 EX-2.1

Business Combination Agreement, dated as of March 17, 2022 (incorporated by reference to Exhibit 2.1 to the Current Report on Form 8-K filed by BCAC on March 18, 2022).

EX-2.1 2 d336930dex21.htm EX-2.1 Exhibit 2.1 Execution Version BUSINESS COMBINATION AGREEMENT by and among BROOKLINE CAPITAL ACQUISITION CORP., PROJECT BAROLO MERGER SUB, INC., and APEXIGEN, INC. Dated as of March 17, 2022 Table of Contents Page ARTICLE I DEFINITIONS 3 Section 1.01 Certain Definitions 3 Section 1.02 Further Definitions 13 Section 1.03 Construction 15 ARTICLE II AGREEMENT AND PLAN

March 18, 2022 EX-10.6

Registration Rights Agreement (incorporated by reference to Exhibit 10.6 to the Current Report on Form 8-K filed by BCAC on March 18, 2022).

EX-10.6 8 d336930dex106.htm EX-10.6 Exhibit 10.6 REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of March 17, 2022, by and among BROOKLINE CAPITAL ACQUISITION CORP., a Delaware corporation (the “Company”), APEXIGEN, INC., a Delaware corporation (“Apexigen”), and LINCOLN PARK CAPITAL FUND, LLC, an Illinois limited liability company (together with it per

March 18, 2022 EX-10.2

Registration Rights and Lock-Up Agreement, dated March 17, 2022, by and among BCAC and certain equityholders named therein (incorporated by reference to Exhibit 10.2 to the Current Report on Form 8-K filed by BCAC on March 18, 2022).

Exhibit 10.2 REGISTRATION RIGHTS AND LOCK-UP AGREEMENT This Registration Rights and Lock-Up Agreement (this ?Agreement?) is made and entered into as of March 17, 2022 by and among Brookline Capital Acquisition Corp., a Delaware corporation (the ?Company?), and the parties listed on Schedule A hereto (each, a ?Holder? and collectively, the ?Holders?). Any capitalized term used but not defined herei

March 18, 2022 EX-10.1

STOCKHOLDER SUPPORT AGREEMENT

Exhibit 10.1 STOCKHOLDER SUPPORT AGREEMENT STOCKHOLDER SUPPORT AGREEMENT, dated as of March 17, 2022 (this ?Agreement?), by and among Brookline Capital Acquisition Corp., a Delaware corporation (?BCAC?), and certain of the stockholders of Apexigen, Inc., a Delaware corporation (the ?Company?), whose names appear on the signature pages of this Agreement (each, a ?Stockholder? and, collectively, the

February 14, 2022 SC 13G

BCACW / Brookline Capital Acquistion Corp Warrant / PERISCOPE CAPITAL INC. - SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Brookline Capital Acquisition Corp (Name of Issuer) Class A common share, $0.0001 par value (Title of Class of Securities) 11374E104 (CUSIP Number) December 31, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to desi

February 4, 2022 SC 13G

BCACW / Brookline Capital Acquistion Corp Warrant / Kepos Capital LP - BROOKLINE CAPITAL ACQUISITION CORP. Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Brookline Capital Acquisition Corp. (Name of Issuer) Class A Common Shares, par value $0.0001 per share (Title of Class of Securities) 11374E104 (CUSIP Number) December 31, 2021 (Date of event which requires filing of this statement) Check the appropriate box to design

December 15, 2021 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 30, 2021 BROOKLINE CAPITAL ACQUISITION CORP. (Exact name of registrant as specified in its charter) Delaware 001-39488 85-1260244 (State or other Jurisdiction of Incorporatio

December 9, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 OR ☐ TRANSITION REPORT PURSU

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to BROOKLINE CAPITAL ACQUISITION CO

November 24, 2021 8-K

Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 22, 2021 BROOKLINE CAPITAL ACQUISITION CORP. (Exact name of registrant as specified in its charter) Delaware 001-39488 85-1260244 (State or other jurisdiction of incorporatio

November 24, 2021 8-K/A

Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 23, 2021 BROOKLINE CAPITAL ACQUISITION CORP. (Exact name of registrant as specified in its charter) Delaware 001-39488 85-1260244 (State or other jurisdic

November 15, 2021 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 12b-25 Commission File Number: 001-39488 NOTIFICATION OF LATE FILING ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR For Period Ended:

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 12b-25 Commission File Number: 001-39488 NOTIFICATION OF LATE FILING ? Form 10-K ? Form 20-F ? Form 11-K ? Form 10-Q ? Form 10-D ? Form N-SAR ? Form N-CSR For Period Ended: September 30, 2021 ? Transition Report on Form 10-K ? Transition Report on Form 20-F ? Transition Report on Form 11-K ? Transition Report on Form 10-Q

August 16, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 OR ☐ TRANSITION REPORT PURSUANT T

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to BROOKLINE CAPITAL ACQUISITION CORP. (

June 7, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to BROOKLINE CAPITAL ACQUISITION CORP.

June 4, 2021 EX-99.1

Brookline Capital Acquisition Corp. Receives Noncompliance Notice Regarding Late Form 10-Q Filing From Nasdaq

EX-99.1 2 d194038dex991.htm EX-99.1 Exhibit 99.1 Brookline Capital Acquisition Corp. Receives Noncompliance Notice Regarding Late Form 10-Q Filing From Nasdaq New York, NY, June 4, 2021 /BUSINESS WIRE/ — Brookline Capital Acquisition Corp. (Nasdaq: “BCACU” or the “Company”) announces that on May 28, 2021, as a result of its failure to timely file with the Securities and Exchange Commission (“SEC”)

June 4, 2021 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 28, 2021 BROOKLINE CAPITAL ACQUISITION CORP. (Exact name of registrant as specified in its charter) Delaware 001-39488 85-1260244 (State or other Jurisdiction of Incorporation) (C

May 17, 2021 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 12b-25 Commission File Number: 001-39488 NOTIFICATION OF LATE FILING ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR For Period Ended:

NT 10-Q 1 d177784dnt10q.htm NT 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 12b-25 Commission File Number: 001-39488 NOTIFICATION OF LATE FILING ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR For Period Ended: March 31, 2021 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K

March 10, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 Brookline Capital Acquisition Corp (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 11374E203 (CUSIP Number) February 28, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule

February 18, 2021 EX-99.1

Brookline Capital Acquisition Corp. Announces the Separate Trading of its Common Stock and Warrants, Commencing February 22, 2021

Exhibit 99.1 Brookline Capital Acquisition Corp. Announces the Separate Trading of its Common Stock and Warrants, Commencing February 22, 2021 New York, NY, Feb. 18, 2021 (GLOBE NEWSWIRE) - Brookline Capital Acquisition Corp. (NASDAQ: BCACU) (the ?Company?) announced today that, commencing February 22, 2021, holders of the 5,750,000 units sold in the Company?s initial public offering may elect to

February 18, 2021 8-K

Financial Statements and Exhibits, Other Events

8-K 1 ea135968-8kbrookline.htm CURRENT REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 18, 2021 BROOKLINE CAPITAL ACQUISITION CORP. (Exact name of registrant as specified in its charter) Delaware 001-39488 85-126024

February 12, 2021 SC 13D

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. )* Brookline Capital Acquisition Corp. (Name of Issuer) Common Stock, $0.0001 par value (Title of Class of Securities) 113

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. )* Brookline Capital Acquisition Corp. (Name of Issuer) Common Stock, $0.0001 par value (Title of Class of Securities) 11374E 104 (CUSIP Number) Samuel P. Wertheimer Chief Executive Officer 600 Lexington Avenue 33rd Floor New York, NY 10022 Telephone: (646) 603-6716 (Name

February 12, 2021 EX-99.1

JOINT FILING AGREEMENT

Exhibit 99.1 JOINT FILING AGREEMENT AGREEMENT dated as of February 12, 2021 by and between Brookline Capital Holdings LLC, a Delaware limited liability company and William B. Buchanan, Jr. (together, the ?Parties?). Each Party hereto represents to the other Party that it is eligible to use Schedule 13D to report its beneficial ownership of common stock, $0.0001 par value per share, of Brookline Ca

February 10, 2021 SC 13G

Brookline Capital Acquisition Corp

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Brookline Capital Acquisition Corp (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 11374E203 (CUSIP Number) January 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whic

February 8, 2021 EX-99.1

BROOKLINE CAPITAL ACQUISITION CORP.

Exhibit 99.1 BROOKLINE CAPITAL ACQUISITION CORP. Report of Independent Registered Public Accounting Firm F-2 Balance Sheet as of February 2, 2021 F-3 Notes to Financial Statement F-4 F-1 REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Shareholders and Board of Directors of Brookline Capital Acquisition Corp. Opinion on the Financial Statement We have audited the accompanying balance

February 8, 2021 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 8, 2021 (February 2, 2021) Brookline Capital Acquisition Corp. (Exact name of registrant as specified in its charter) Delaware 001-39488 85-1260244 (State or other jurisdicti

February 2, 2021 EX-1.1

Underwriting Agreement, dated January 28, 2021, by and among the Company and Brookline Capital Holdings LLC, as representatives of the several underwriters.

Exhibit 1.1 5,000,000 Units Brookline Capital Acquisition Corp. UNDERWRITING AGREEMENT January 28, 2021 Ladenburg Thalmann & Co. Inc. 277 Park Avenue, 26th floor New York, New York 10172 As Representative of the Underwriters named on Schedule A hereto Ladies and Gentlemen: The undersigned, Brookline Capital Acquisition Corp., a Delaware corporation (“Company”), hereby confirms its agreement with L

February 2, 2021 EX-99.1

Brookline Capital Acquisition Corp. Announces Pricing of $50,000,000 Initial Public Offering

Exhibit 99.1 Brookline Capital Acquisition Corp. Announces Pricing of $50,000,000 Initial Public Offering New York, NY, Jan. 28, 2021 (GLOBE NEWSWIRE) - Brookline Capital Acquisition Corp. (the “Company”) announced today that it priced its initial public offering of 5,000,000 units at $10.00 per unit. The units will be listed on the Nasdaq Capital Market (“Nasdaq”) and will begin trading tomorrow,

February 2, 2021 EX-3.1

Amended and Restated Certificate of Incorporation (incorporated by reference to Exhibit 3.1 to BCAC’s Current Report on Form 8-K filed with the SEC on February 2, 2021).

Exhibit 3.1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF BROOKLINE CAPITAL ACQUISITION CORP. January 28, 2021 Brookline Capital Acquisition Corp., a corporation organized and existing under the laws of the State of Delaware (the “Corporation”), DOES HEREBY CERTIFY AS FOLLOWS: 1. The name of the Corporation is “Brookline Capital Acquisition Corp.”. The original certificate of incorporation

February 2, 2021 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 2, 2021 (January 28, 2021) Brookline Capital Acquisition Corp. (Exact name of registrant as specified in its charter) Delaware 001-39488 85-1260244 (State or other jurisdicti

February 2, 2021 EX-10.1

Letter Agreement, dated January 28, 2021, by and among the Company, its officers, its directors and the Sponsor.

Exhibit 10.1 January 28, 2021 Brookline Capital Acquisition Corp. 600 Lexington Avenue, 33rd Floor New York, NY 10022 Re: Initial Public Offering Ladies and Gentlemen: This letter (this “Letter Agreement”) is being delivered to you in accordance with the Underwriting Agreement (the “Underwriting Agreement”) entered into by and among Brookline Capital Acquisition Corp., a Delaware corporation (the

February 2, 2021 EX-10.5

Unit Subscription Agreement, dated January 28, 2021, by and between the Company and the Sponsor.

Exhibit 10.5 UNIT SUBSCRIPTION AGREEMENT This UNIT SUBSCRIPTION AGREEMENT (this “Agreement”) is made as of the 28th day of January 2021, by and between Brookline Capital Acquisition Corp., a Delaware corporation (the “Company”), having its principal place of business at 600 Lexington Avenue, 33rd Floor, New York, NY 10022, and Brookline Capital Holdings LLC, a Delaware limited liability company (t

February 2, 2021 EX-99.2

Brookline Capital Acquisition Corp. Completes Closing of $57,500,000 Initial Public Offering

Exhibit 99.2 Brookline Capital Acquisition Corp. Completes Closing of $57,500,000 Initial Public Offering New York, NY, February 2, 2021 (GLOBE NEWSWIRE) – Brookline Capital Acquisition Corp. (NASDAQ: BCACU) (the “Company”) announced today that it closed its initial public offering of 5,750,000 units, including the exercise in full of the underwriters’ 45-day option to purchase up to an additional

February 2, 2021 EX-10.4

Administrative Support Agreement, dated January 28, 2021, by and between the Company and Brookline Capital Markets, a division of Arcadia Securities, LLC.

Exhibit 10.4 Brookline Capital Acquisition Corp. 600 Lexington Avenue, 33rd Floor New York, NY 10022 January 28, 2021 Brookline Capital Markets, a division of Arcadia Securities, LLC 600 Lexington Avenue, 33rd Floor New York, NY 10022 Re: Administrative Support Agreement Ladies and Gentlemen: This letter agreement by and between Brookline Capital Acquisition Corp. (the “Company”) and Brookline Cap

February 2, 2021 EX-10.3

Form of Registration Rights Agreement between the Registrant and certain security holders (incorporated by reference to Exhibit 10.3 filed on the Company’s Current Report on Form 8-K filed by the Company on February 2, 2021)

Exhibit 10.3 REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of January 28, 2021, is made and entered into by and among Brookline Capital Acquisition Corp., a Delaware corporation (the “Company”), Brookline Capital Holdings LLC, a Delaware limited liability company (the “Sponsor”) and Ladenburg Thalmann & Co. Inc. (together with employees of Ladenburg

February 2, 2021 EX-10.2

Form of Investment Management Trust Agreement between Continental Stock Transfer & Trust Company, LLC and the Registrant (incorporated by reference to Exhibit 10.2 filed on the Company’s Current Report on Form 8-K filed by the Company on February 2, 2021)

Exhibit 10.2 INVESTMENT MANAGEMENT TRUST AGREEMENT This Investment Management Trust Agreement (this “Agreement”) is made effective as of January 28, 2021, by and between Brookline Capital Acquisition Corp., a Delaware corporation (the “Company”), and Continental Stock Transfer & Trust Company, a New York corporation (the “Trustee”). WHEREAS, the Company’s registration statement on Form S-1, File N

February 2, 2021 EX-4.1

Warrant Agreement, dated January 28, 2021, by and between BCAC’s and Continental Stock Transfer & Trust Company, LLC (incorporated by reference to Exhibit 4.1 to BCAC’s Current Report on Form 8-K filed with the SEC on February 2, 2021).

Exhibit 4.1 WARRANT AGREEMENT THIS WARRANT AGREEMENT (this “Agreement”), dated as of January 28, 2021, is by and between Brookline Capital Acquisition Corp., a Delaware corporation (the “Company”), and Continental Stock Transfer & Trust Company, a New York corporation, as warrant agent (the “Warrant Agent”, also referred to herein as the “Transfer Agent”). WHEREAS, the Company is engaged in an ini

January 29, 2021 424B4

$50,000,000 Brookline Capital Acquisition Corp. 5,000,000 Units

PROSPECTUS FILED PURSUANT TO RULE 424(B)(4) REGISTRATION NO. 333-246287 $50,000,000 Brookline Capital Acquisition Corp. 5,000,000 Units Brookline Capital Acquisition Corp. is a newly organized blank check company formed for the purpose of effecting a merger, capital stock exchange, asset acquisition, stock purchase, reorganization or similar business combination, which we refer to as our initial b

January 27, 2021 8-A12B/A

- AMENDMENT NO. 1 TO FORM 8-A12B

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A/A (Amendment No. 1) FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 Brookline Capital Acquisition Corp. (Exact Name of Registrant as Specified in Its Charter) Delaware 85- 1260244 (State of Incorporation or Organization) (I.R.S. Employer Ident

January 7, 2021 EX-10.1

Form of Letter Agreement among the Registrant and our officers, directors and Brookline Capital Holdings, LLC*

Exhibit 10.1 [], 2021 Brookline Capital Acquisition Corp. 600 Lexington Avenue, 33rd Floor New York, NY 10022 Re: Initial Public Offering Ladies and Gentlemen: This letter (this “Letter Agreement”) is being delivered to you in accordance with the Underwriting Agreement (the “Underwriting Agreement”) entered into by and among Brookline Capital Acquisition Corp., a Delaware corporation (the “Company

January 7, 2021 S-1/A

- AMENDMENT NO. 3 TO FORM S-1

As filed with the U.S. Securities and Exchange Commission on January 7, 2021. Registration No. 333-246287 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 3 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Brookline Capital Acquisition Corp. (Exact name of registrant as specified in its charter) Delaware 6770 85-1260244 (State or other jurisd

January 7, 2021 EX-10.2

Amended and Restated Promissory Note, dated December 30, 2020, issued to Brookline Capital Holdings, LLC*

Exhibit 10.2 THIS AMENDED AND RESTATED PROMISSORY NOTE (“NOTE”) HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN OPINION OF COUNSEL REASONABLY SATISFACTORY IN FORM, SCOPE AND SUBS

January 7, 2021 EX-4.4

Form of Warrant Agreement between Continental Stock Transfer & Trust Company, LLC and the Registrant*

Exhibit 4.4 WARRANT AGREEMENT THIS WARRANT AGREEMENT (this “Agreement”), dated as of [], is by and between Brookline Capital Acquisition Corp., a Delaware corporation (the “Company”), and Continental Stock Transfer & Trust Company, a New York corporation, as warrant agent (the “Warrant Agent”, also referred to herein as the “Transfer Agent”). WHEREAS, the Company is engaged in an initial public of

January 7, 2021 EX-10.3

Form of Investment Management Trust Agreement between Continental Stock Transfer & Trust Company, LLC and the Registrant*

Exhibit 10.3 INVESTMENT MANAGEMENT TRUST AGREEMENT This Investment Management Trust Agreement (this “Agreement”) is made effective as of [], 2021, by and between Brookline Capital Acquisition Corp., a Delaware corporation (the “Company”), and Continental Stock Transfer & Trust Company, a New York corporation (the “Trustee”). WHEREAS, the Company’s registration statement on Form S-1, File No. 333-2

January 7, 2021 EX-10.7

Form of Placement Unit Purchase Agreement between the Registrant and Brookline Capital Holdings, LLC*

Exhibit 10.7 UNIT SUBSCRIPTION AGREEMENT This UNIT SUBSCRIPTION AGREEMENT (this “Agreement”) is made as of the [] day of 2021, by and between Brookline Capital Acquisition Corp., a Delaware corporation (the “Company”), having its principal place of business at 600 Lexington Avenue, 33rd Floor, New York, NY 10022, and Brookline Capital Holdings LLC, a Delaware limited liability company (the “Subscr

January 7, 2021 EX-3.2

Form of Amended and Restated Certificate of Incorporation*

Exhibit 3.2 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF BROOKLINE CAPITAL ACQUISITION CORP. [], 2021 Brookline Capital Acquisition Corp., a corporation organized and existing under the laws of the State of Delaware (the “Corporation”), DOES HEREBY CERTIFY AS FOLLOWS: 1. The name of the Corporation is “Brookline Capital Acquisition Corp.”. The original certificate of incorporation of the C

January 7, 2021 EX-10.4

Form of Registration Rights Agreement between the Registrant and certain security holders*

Exhibit 10.4 REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of [], 2021, is made and entered into by and among Brookline Capital Acquisition Corp., a Delaware corporation (the “Company”), Brookline Capital Holdings LLC, a Delaware limited liability company (the “Sponsor”) and Ladenburg Thalmann & Co. Inc. (together with employees of Ladenburg listed o

January 7, 2021 EX-1.1

Form of Underwriting Agreement*

Exhibit 1.1 5,000,000 Units Brookline Capital Acquisition Corp. UNDERWRITING AGREEMENT , 2021 Ladenburg Thalmann & Co. Inc. 277 Park Avenue, 26th floor New York, New York 10172 As Representative of the Underwriters named on Schedule A hereto Ladies and Gentlemen: The undersigned, Brookline Capital Acquisition Corp., a Delaware corporation (“Company”), hereby confirms its agreement with Ladenburg T

January 7, 2021 EX-4.1

Specimen Unit Certificate (incorporated by reference to Exhibit 4.1 to Amendment No. 3 to BCAC’s Registration Statement on Form S-1 filed with the SEC on January 7, 2021).

Exhibit 4.1 NUMBER UNITS U- SEE REVERSE FOR CERTAIN DEFINITIONS CUSIP 11374E 203 BROOKLINE CAPITAL ACQUISITION CORP. UNITS CONSISTING OF ONE SHARE OF COMMON STOCK AND ONE-HALF OF ONE WARRANT, EACH WHOLE WARRANT ENTITLING THE HOLDER TO PURCHASE ONE SHARE OF COMMON STOCK THIS CERTIFIES THAT is the owner of Units. Each Unit (“Unit”) consists of one (1) share of common stock, par value $0.0001 per sha

September 3, 2020 8-A12B

- REGISTRATION OF CERTAIN CLASSES OF SECURITIES

8-A12B 1 ea126381-8a12bbrooklinecap.htm REGISTRATION OF CERTAIN CLASSES OF SECURITIES UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 Brookline Capital Acquisition Corp. (Exact Name of Registrant as Specified in Its Charter) Delaware 85- 12602

August 26, 2020 EX-1.1

Form of Underwriting Agreement*

Exhibit 1.1 5,000,000 Units Brookline Capital Acquisition Corp. UNDERWRITING AGREEMENT , 2020 Ladenburg Thalmann & Co. Inc. 277 Park Avenue, 26th floor New York, New York 10172 As Representative of the Underwriters named on Schedule A hereto Ladies and Gentlemen: The undersigned, Brookline Capital Acquisition Corp., a Delaware corporation (?Company?), hereby confirms its agreement with Ladenburg T

August 26, 2020 EX-10.3

Form of Investment Management Trust Agreement between Continental Stock Transfer & Trust Company and the Company (incorporated by reference to Exhibit 10.3 to the Company’s Registration Statement on Form S-1/A (File No. 333-246287), filed with the Securities and Exchange Commission on August 26, 2020).

Exhibit 10.3 INVESTMENT MANAGEMENT TRUST AGREEMENT This Investment Management Trust Agreement (this ?Agreement?) is made effective as of September [], 2020, by and between Brookline Capital Acquisition Corp., a Delaware corporation (the ?Company?), and Continental Stock Transfer & Trust Company, a New York corporation (the ?Trustee?). WHEREAS, the Company?s registration statements on Form S-1, Fil

August 26, 2020 EX-10.4

Form of Registration Rights Agreement between the Company and certain security holders (incorporated by reference to Exhibit 10.4 to the Company’s Registration Statement on Form S-1/A (File No. 333-246287), filed with the Securities and Exchange Commission on August 26, 2020).

Exhibit 10.4 REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (this ?Agreement?), dated as of September [], 2020, is made and entered into by and among Brookline Capital Acquisition Corp., a Delaware corporation (the ?Company?), Brookline Capital Holdings LLC, a Delaware limited liability company (the ?Sponsor?) and Ladenburg Thalmann & Co. Inc. (together with employees of Ladenbur

August 26, 2020 EX-3.2

Form of Amended and Restated Certificate of Incorporation*

Exhibit 3.2 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF BROOKLINE CAPITAL ACQUISITION CORP. September [], 2020 Brookline Capital Acquisition Corp., a corporation organized and existing under the laws of the State of Delaware (the “Corporation”), DOES HEREBY CERTIFY AS FOLLOWS: 1. The name of the Corporation is “Brookline Capital Acquisition Corp.”. The original certificate of incorporatio

August 26, 2020 EX-4.4

Form of Warrant Agreement between Continental Stock Transfer & Trust Company and the Company (incorporated by reference to Exhibit 4.4 to the Company’s Registration Statement on Form S-1/A (File No. 333-246287), filed with the Securities and Exchange Commission on August 26, 2020).

Exhibit 4.4 WARRANT AGREEMENT THIS WARRANT AGREEMENT (this ?Agreement?), dated as of [], is by and between Brookline Capital Acquisition Corp., a Delaware corporation (the ?Company?), and Continental Stock Transfer & Trust Company, a New York corporation, as warrant agent (the ?Warrant Agent?, also referred to herein as the ?Transfer Agent?). WHEREAS, the Company is engaged in an initial public of

August 26, 2020 S-1/A

- REGISTRATION STATEMENT

As filed with the U.S. Securities and Exchange Commission on August 26, 2020. Registration No. 333-246287 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 2 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Brookline Capital Acquisition Corp. (Exact name of registrant as specified in its charter) Delaware 6770 85-1260244 (State or other jurisd

August 26, 2020 EX-99.6

Consent of Scott A. Katzmann*

Exhibit 99.6 Consent to be Named as a Director Nominee In connection with the filing by Brookline Capital Acquisition Corp. of the Registration Statement on Form S-1 with the Securities and Exchange Commission under the Securities Act of 1933, as amended (the ?Securities Act?), I hereby consent, pursuant to Rule 438 of the Securities Act, to being named as a nominee to the board of directors of by

August 26, 2020 EX-10.7

Form of Placement Unit Purchase Agreement between the Registrant and Brookline Capital Holdings, LLC*

Exhibit 10.7 UNIT SUBSCRIPTION AGREEMENT This UNIT SUBSCRIPTION AGREEMENT (this ?Agreement?) is made as of the [] day of September 2020, by and between Brookline Capital Acquisition Corp., a Delaware corporation (the ?Company?), having its principal place of business at 600 Lexington Avenue, 33rd Floor, New York, NY 10022, and Brookline Capital Holdings LLC, a Delaware limited liability company (t

August 26, 2020 EX-10.1

Form of Letter Agreement among the Registrant and our officers, directors and Brookline Capital Holdings, LLC*

Exhibit 10.1 [], 2020 Brookline Capital Acquisition Corp. 600 Lexington Avenue, 33rd Floor New York, NY 10022 Re: Initial Public Offering Ladies and Gentlemen: This letter (this ?Letter Agreement?) is being delivered to you in accordance with the Underwriting Agreement (the ?Underwriting Agreement?) entered into by and among Brookline Capital Acquisition Corp., a Delaware corporation (the ?Company

August 26, 2020 EX-4.1

Specimen Unit Certificate*

Exhibit 4.1 NUMBER UNITS U- SEE REVERSE FOR CERTAIN DEFINITIONS CUSIP 11374E 203 BROOKLINE CAPITAL ACQUISITION CORP. UNITS CONSISTING OF ONE SHARE OF COMMON STOCK AND THREE QUARTERS OF ONE WARRANT, EACH WHOLE WARRANT ENTITLING THE HOLDER TO PURCHASE ONE SHARE OF COMMON STOCK THIS CERTIFIES THAT is the owner of Units. Each Unit (?Unit?) consists of one (1) share of common stock, par value $0.0001 p

August 24, 2020 EX-10.4

Form of Registration Rights Agreement between the Registrant and certain security holders*

Exhibit 10.4 REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of September [], 2020, is made and entered into by and among Brookline Capital Acquisition Corp., a Delaware corporation (the “Company”), Brookline Capital Holdings LLC, a Delaware limited liability company (the “Sponsor”) and Ladenburg Thalmann & Co. Inc. (together with employees of Ladenbur

August 24, 2020 EX-99.2

Form of Compensation Committee Charter**

Exhibit 99.2 BROOKLINE CAPITAL ACQUISITION CORP. COMPENSATION COMMITTEE CHARTER I. Purpose The Compensation Committee (the “Committee”) of the Board of Directors of Brookline Capital Acquisition Corp., a Delaware corporation (the “Company”), shall have responsibility for the compensation of the Company’s executive officers, including the Company’s Chief Executive Officer (the “CEO”), and for incen

August 24, 2020 EX-10.7

Form of Placement Unit Purchase Agreement between the Registrant and Brookline Capital Holdings, LLC*

Exhibit 10.7 UNIT SUBSCRIPTION AGREEMENT This UNIT SUBSCRIPTION AGREEMENT (this “Agreement”) is made as of the [] day of September 2020, by and between Brookline Capital Acquisition Corp., a Delaware corporation (the “Company”), having its principal place of business at 600 Lexington Avenue, 33rd Floor, New York, NY 10022, and Brookline Capital Holdings LLC, a Delaware limited liability company (t

August 24, 2020 EX-10.9

Form of Administrative Support Agreement by and between the Registrant and Brookline Capital Markets.**

Exhibit 10.9 Brookline Capital Acquisition Corp. 600 Lexington Avenue, 33rd Floor New York, NY 10022 September [], 2020 Brookline Capital Markets, a division of Arcadia Securities, LLC 600 Lexington Avenue, 33rd Floor New York, NY 10022 Re: Administrative Support Agreement Ladies and Gentlemen: This letter agreement by and between Brookline Capital Acquisition Corp. (the “Company”) and Brookline C

August 24, 2020 EX-4.2

Specimen Common Stock Certificate (incorporated by reference to Exhibit 4.2 to Amendment No. 1 to BCAC’s Registration Statement on Form S-1 filed with the SEC on August 24, 2020).

EX-4.2 5 ea125854ex4-2brooklinecap.htm SPECIMEN COMMON STOCK CERTIFICATE Exhibit 4.2 NUMBER NUMBER C- SHARES SEE REVERSE FOR CERTAIN DEFINITIONS CUSIP 11374E 104 BROOKLINE CAPITAL ACQUISITION CORP. INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE COMMON STOCK This Certifies that is the owner of FULLY PAID AND NON-ASSESSABLE SHARES OF THE PAR VALUE OF $0.0001 EACH OF THE COMMON STOCK OF BROOKLI

August 24, 2020 EX-10.8

Form of Indemnity Agreement**

Exhibit 10.8 INDEMNITY AGREEMENT THIS INDEMNITY AGREEMENT (this “Agreement”) is made as of September [], 2020, by and between Brookline Capital Acquisition Corp., a Delaware corporation (the “Company”), and (“Indemnitee”). RECITALS WHEREAS, highly competent persons have become more reluctant to serve publicly-held corporations as directors, officers or in other capacities unless they are provided

August 24, 2020 EX-1.1

Form of Underwriting Agreement*

Exhibit 1.1 5,000,000 Units Brookline Capital Acquisition Corp. UNDERWRITING AGREEMENT , 2020 Ladenburg Thalmann & Co. Inc. 277 Park Avenue, 26th floor New York, New York 10172 As Representative of the Underwriters named on Schedule A hereto Ladies and Gentlemen: The undersigned, Brookline Capital Acquisition Corp., a Delaware corporation (“Company”), hereby confirms its agreement with Ladenburg T

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