RCKT / Rocket Pharmaceuticals, Inc. - Depositi SEC, Relazione annuale, dichiarazione di delega

Rocket Pharmaceuticals, Inc.
US ˙ NasdaqGM ˙ US77313F1066

Statistiche di base
LEI 549300R7VV82YUIN4Y93
CIK 1281895
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 Rocket Pharmaceuticals, Inc.
SEC Filings (Chronological Order)
Questa pagina fornisce un elenco completo e cronologico dei depositi SEC, esclusi i documenti di proprietà che forniamo altrove.
May 28, 2026 SC TO-I/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO/A (Amendment No. 1) (Rule 13e-4) Tender Offer Statement Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 ROCKET PHARMACEUTICALS, INC. (Name o

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO/A (Amendment No. 1) (Rule 13e-4) Tender Offer Statement Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 ROCKET PHARMACEUTICALS, INC. (Name of Subject Company (Issuer) and Filing Person (Offeror)) Options to Purchase Common Stock, Par Value $0.01 Per Share (Title of Class of Securities) 773

May 21, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 20, 2026 Rocket Pharmaceuticals,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 20, 2026 Rocket Pharmaceuticals, Inc.

May 7, 2026 10-Q

Basis of Presentation Significant Accounting Policies Principles of Consolidation Use of Estimates Cash, Cash Equivalents and Restricted Cash Investments Intangible Assets Fair Value Measurements Warrants Stock-Based Compensation Recent Accounting Pr

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, 2026 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: 001-36829 Ro

May 7, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 7, 2026 Rocket Pharmaceuticals,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 7, 2026 Rocket Pharmaceuticals, Inc.

May 7, 2026 EX-99.1

Rocket Pharmaceuticals Reports First Quarter 2026 Financial Results and Highlights Recent Progress

Exhibit 99.1 Rocket Pharmaceuticals Reports First Quarter 2026 Financial Results and Highlights Recent Progress Pivotal Phase 2 trial of RP-A501 for Danon disease progressing with dosing reinitiated First patient dosing in Phase 1 study of RP-A701 for BAG3-related dilated cardiomyopathy anticipated in mid-2026 KRESLADI™ granted FDA accelerated approval; Rare Pediatric Disease Priority Review Vouch

April 28, 2026 EX-99.1

Rocket Pharmaceuticals Announces $180 Million Sale of Priority Review Voucher PRV monetization provides $180 million in non-dilutive capital to support cardiovascular pipeline Cash runway extended into the second quarter of 2028

Exhibit 99.1 Rocket Pharmaceuticals Announces $180 Million Sale of Priority Review Voucher PRV monetization provides $180 million in non-dilutive capital to support cardiovascular pipeline Cash runway extended into the second quarter of 2028 CRANBURY, NJ – April 28, 2026 – Rocket Pharmaceuticals, Inc. (NASDAQ: RCKT), a fully integrated, commercial-stage biotechnology company advancing a sustainabl

April 28, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 26, 2026 Rocket Pharmaceutica

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 26, 2026 Rocket Pharmaceuticals, Inc.

April 27, 2026 EX-99.A1K

Form of Reminder Email #3

Exhibit (a)(1)(K) Form of Reminder Email #3 To be sent: Tuesday, May 26, morning, only to people who have not submitted an election one way or the other (neither accept nor reject, whether they have logged in or done nothing) Subject: Final Exchange Offer Reminder - EXPIRES TODAY! Hello [First Name], If you are receiving this notice, this means your elections have not been confirmed in the system.

April 27, 2026 EX-99.A1J

Form of Reminder Email #2

Exhibit (a)(1)(J) Form of Reminder Email #2 To be sent: Thursday, May 21 Subject: Rocket Exchange Offer - EXPIRES TUESDAY, MAY 26 Hello [First Name], We are sending this email to remind you that the previously announced Offer to Exchange Eligible Options for New Options (the “Exchange Offer”) is still open and you are able to make an election or change a previously submitted election until 3:59pm ET on May 26, 2026 unless extended by Rocket Pharmaceuticals in accordance with the Offer to Exchange.

April 27, 2026 EX-99.A1A

OFFER TO EXCHANGE ELIGIBLE OPTIONS FOR NEW OPTIONS

TABLE OF CONTENTS Exhibit (a)(1)(A) OFFER TO EXCHANGE ELIGIBLE OPTIONS FOR NEW OPTIONS   ROCKET PHARMACEUTICALS, INC.

April 27, 2026 EX-99.A1H

Form of Confirmation Email

Exhibit (a)(1)(H) Form of Confirmation Email To be sent: When elections are submitted by the participant Subject: Your Exchange Elections Hello [Name], Thank you for submitting your elections. You can review your elections anytime until 3:59pm ET on May 26, 2026 by clicking on [this link]. Questions? Please contact [email protected].

April 27, 2026 EX-99.A1E

Stock Option Exchange: Frequently Asked Questions (FAQs) Have a question not answered here? Email [email protected].

Exhibit (a)(1)(E) Stock Option Exchange: Frequently Asked Questions (FAQs) Have a question not answered here? Email People@rocketpharma.

April 27, 2026 EX-99.A1I

Form of Reminder Email #1

Exhibit (a)(1)(I) Form of Reminder Email #1 To Be Sent: Monday, May 18 Subject: Rocket Exchange Offer - EXPIRES TUESDAY, MAY 26 Hello [Name], We are sending this email to remind you that the previously announced Offer to Exchange Eligible Options for New Options (the “Exchange Offer”) is still open and you are able to make an election until 3:59pm ET on May 26, 2026 unless extended by Rocket Pharmaceuticals in accordance with the Offer to Exchange.

April 27, 2026 EX-99.A1M

Login Page:

Exhibit (a)(1)(M) Login Page: Acknowledgment of Offer to Exchange Landing View: Collapsed view showing all awards: Making a selection #1: Making a selection #2 All selections made: Confirmation page: Clicking “Print Confirmation Page”

April 27, 2026 EX-99.A1L

Form of Offer Expiration Notice

Exhibit (a)(1)(L) Form of Offer Expiration Notice To be sent: Tuesday, May 26, ~4:00pm ET Subject: Rocket Exchange Offer Election Period Expired Hello [First Name], We are sending this email to inform you that the Exchange Offer from Rocket Pharmaceuticals has expired.

April 27, 2026 EX-FILING FEES

CALCULATION OF FILING FEE TABLE SCHEDULE TO-I (Form Type) ROCKET PHARMACEUTICALS, INC. (Name of Subject Company (Issuer) and Filing Person (Offeror)) Table 1 - Transaction Valuation

Exhibit 107 CALCULATION OF FILING FEE TABLE SCHEDULE TO-I (Form Type) ROCKET PHARMACEUTICALS, INC.

April 27, 2026 SC TO-I

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (Rule 13e-4) Tender Offer Statement Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 ROCKET PHARMACEUTICALS, INC. (Name of Subject Company (I

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (Rule 13e-4)   Tender Offer Statement Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 ROCKET PHARMACEUTICALS, INC. (Name of Subject Company (Issuer) and Filing Person (Offeror))   Options to Purchase Common Stock, Par Value $0.01 Per Share (Title of Class of Securities)   77313F106 (CUSIP

April 27, 2026 EX-99.A1C

Equity Compensation 101 Equity compensation is a component of Rocket’s total rewards package that gives employees ownership in the company aligning their financial upside with the company’s long-term performance and value creation. *In 2025, we trans

Exhibit (a)(1)(C) Rocket Pharma’s Stock Option Exchange ProgramEmployee Information Session April 27, 2026 Equity Compensation 101 Equity compensation is a component of Rocket’s total rewards package that gives employees ownership in the company aligning their financial upside with the company’s long-term performance and value creation.

April 27, 2026 EX-99.A1D

This program is contingent upon shareholder approval at the annual meeting on May 20, 2026. All employees with outstanding* stock options granted prior to 2025 with a grant price equal to or above $3.52 are eligible for this program Must be actively

Exhibit (a)(1)(D) This program is contingent upon shareholder approval at the annual meeting on May 20, 2026.

April 27, 2026 EX-99.A1F

Employee Email: Stock Option Exchange – Tender Offer Open

Exhibit (a)(1)(F) Employee Email: Stock Option Exchange – Tender Offer Open From: Communications (on behalf of Martin) BCC: All Rocket Employees (+ employees on leave via personal emails) Subject: Stock Option Exchange Program: Now Open Timing: Monday, April 27 (at ~9:00am ET) Dear Rocket Team, Equity is a core part of our total rewards program, designed to meaningful connect employees to Rocket’s long-term success Market movements in our share price have resulted in some employees holding stock option grants that are currently “underwater” (shares with an exercise price above the current stock price).

April 27, 2026 EX-99.A1G

Form of Welcome Email

Exhibit (a)(1)(G) Form of Welcome Email To Be Sent: Monday, April 27, ~9:05am ET Subject: Rocket Pharmaceuticals: Exchange Portal Now Open Hello {FirstName}, Rocket Pharmaceuticals has created a user account for you in the AwardTraq Stock Option Exchange Portal.

April 6, 2026 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION 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 pe

April 6, 2026 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  ) 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

April 6, 2026 ARS

ARS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K (Mark One) շ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 OR Ԋ 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: 001-36829 Rocket Pharmaceuticals, Inc.

April 3, 2026 SC TO-C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Rocket Pharmaceuticals, Inc. (Name of Subject Compan

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Rocket Pharmaceuticals, Inc. (Name of Subject Company (Issuer) and Filing Person (as Offeror)) Options to Purchase Common Stock, par value $0.01 per share (Title of Class of Securities) 77313F106 (CUSIP

April 3, 2026 EX-99.1

Employee Email: Stock Option Exchange

Exhibit 99.1 Employee Email: Stock Option Exchange From: Communications (on behalf of Martin) BCC: All Rocket Employees Subject: Upcoming Stock Option Exchange Program: More Information Coming Soon Timing: Wednesday, April 1 (at ~9:30am ET) Dear Rocket Team, Equity is a core component of our total rewards program, designed to meaningfully connect employees to Rocket’s long-term success. Market mov

March 27, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): March 26, 2026 Rocket Pharmaceutica

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): March 26, 2026 Rocket Pharmaceuticals, Inc.

March 27, 2026 EX-99.1

Rocket Pharmaceuticals Announces FDA Approval of KRESLADI™ for Pediatric Patients with Severe Leukocyte Adhesion Deficiency-I (LAD-I) First FDA-approved gene therapy for children with severe LAD-I due to biallelic variants in ITGB2 Severe LAD-I is an

Exhibit 99.1 Rocket Pharmaceuticals Announces FDA Approval of KRESLADI™ for Pediatric Patients with Severe Leukocyte Adhesion Deficiency-I (LAD-I) First FDA-approved gene therapy for children with severe LAD-I due to biallelic variants in ITGB2 Severe LAD-I is an ultra-rare, life-threatening pediatric genetic immunodeficiency characterized by recurrent infections and high early-childhood mortality

March 25, 2026 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION 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 per

March 10, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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) March 10, 2026 Rocket Pharmaceutical

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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) March 10, 2026 Rocket Pharmaceuticals, Inc.

March 10, 2026 EX-10.1

Rocket Pharmaceuticals, Inc. Shares of Common Stock (par value $0.01 per share) Controlled Equity OfferingSM Sales Agreement

Exhibit 10.1 Rocket Pharmaceuticals, Inc. Shares of Common Stock (par value $0.01 per share) Controlled Equity OfferingSM Sales Agreement March 10, 2026 Cantor Fitzgerald & Co. 110 East 59th Street New York, New York 10022 Ladies and Gentlemen: Rocket Pharmaceuticals, Inc., a Delaware corporation (the “Company”), confirms its agreement (this “Agreement”) with Cantor Fitzgerald & Co. (the “Agent”),

March 10, 2026 424B5

Up to $100,000,000 of Common Stock

TABLE OF CONTENTS Filed Pursuant to Rule 424(b)(5) Registration No. 333-293925 PROSPECTUS SUPPLEMENT (To Prospectus Dated March 10, 2026)   Up to $100,000,000 of Common Stock We have entered into a sales agreement (the “sales agreement”) with Cantor Fitzgerald & Co. (“Cantor” or the “sales agent”) relating to shares of our common stock, par value $0.001 (the “common stock”), offered by this prospe

March 6, 2026 CORRESP

March 6, 2026

March 6, 2026 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street N.E. Washington, D.C. 20549 Attn: Alan Campbell Re: Acceleration Request for Rocket Pharmaceuticals, Inc. Registration Statement on Form S-3 (File No. 333-293925) Ladies and Gentlemen: Pursuant to Rule 461 under the Securities Act of 1933, as amended, Rocket Pharmaceuticals, Inc. (the “Comp

March 6, 2026 LETTER

LETTER

March 6, 2026 Gaurav Shah Chief Executive Officer Rocket Pharmaceuticals, Inc. 9 Cedarbrook Drive Cranbury, NJ 08512 Re: Rocket Pharmaceuticals, Inc. Registration Statement on Form S-3 Filed March 2, 2026 File No. 333-293925 Dear Gaurav Shah: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 regarding requests for acc

March 2, 2026 EX-FILING FEES

Calculation of Filing Fee Tables (Form Type) Rocket Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Tables S-3 (Form Type) Rocket Pharmaceuticals, Inc.

March 2, 2026 EX-4.5

ROCKET PHARMACEUTICALS, INC., Dated as of [●], 202[●] Subordinated Debt Securities TABLE OF CONTENTS1

Exhibit 4.5 ROCKET PHARMACEUTICALS, INC., Issuer AND [TRUSTEE], Trustee INDENTURE Dated as of [●], 202[●] Subordinated Debt Securities TABLE OF CONTENTS1 ARTICLE 1 DEFINITIONS 90 Section 1.01 Definitions of Terms 90 ARTICLE 2 ISSUE, DESCRIPTION, TERMS, EXECUTION, REGISTRATION AND EXCHANGE OF SECURITIES 93 Section 2.01 Designation and Terms of Securities 93 Section 2.02 Form of Securities and Trust

March 2, 2026 S-3

As filed with the Securities and Exchange Commission on March 2, 2026.

TABLE OF CONTENTS As filed with the Securities and Exchange Commission on March 2, 2026.

March 2, 2026 EX-4.4

ROCKET PHARMACEUTICALS, INC., Dated as of [●], 202[●] Senior Debt Securities TABLE OF CONTENTS1

Exhibit 4.4 ROCKET PHARMACEUTICALS, INC., Issuer AND [TRUSTEE], Trustee INDENTURE Dated as of [●], 202[●] Senior Debt Securities TABLE OF CONTENTS1 ARTICLE 1 DEFINITIONS 1 Section 1.01 Definitions of Terms 1 ARTICLE 2 ISSUE, DESCRIPTION, TERMS, EXECUTION, REGISTRATION AND EXCHANGE OF SECURITIES 4 Section 2.01 Designation and Terms of Securities 4 Section 2.02 Form of Securities and Trustee’s Certi

February 26, 2026 EX-99.1

Rocket Pharmaceuticals Reports Fourth Quarter and Full Year 2025 Financial Results and Highlights Recent Progress

Exhibit 99.1 Rocket Pharmaceuticals Reports Fourth Quarter and Full Year 2025 Financial Results and Highlights Recent Progress Pivotal Phase 2 trial of RP-A501 for Danon disease to resume in 1H 2026 KRESLADI™ for severe LAD-I on track for March 28, 2026 PDUFA date Dosing of first patient in Phase 1 study of RP-A701 for BAG3-related dilated cardiomyopathy anticipated in mid-2026 Cash, cash equivale

February 26, 2026 EX-21.1

EX-21.1

Exhibit 21.1

February 26, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 26, 2026 Rocket Pharmaceut

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 26, 2026 Rocket Pharmaceuticals, Inc.

February 26, 2026 10-K

PART I. FORWARD-LOOKING STATEMENTS PART I PART II Restructuring Expense Restructuring Expense PART III. — OTHER INFORMATION SIGNATURES POWER OF ATTORNEY AND SIGNATURES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2025 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: 001-36829 Rocket Pharmaceuticals, Inc.

November 6, 2025 EX-10.4

Exhibit 10.4 Amendment No. 1 to Executive Employment Agreement (“Amendment No. 1”) SYED RIZVI ROCKET PHARMACEUTICALS, INC.

Exhibit 10.4 Amendment No. 1 to Executive Employment Agreement (“Amendment No. 1”) Amendment No. 1 Date: October 1, 2025 (“Amendment No.1 Date”) Name of Original Agreement: Executive Employment Agreement (the “Agreement”) Effective Date of Original Agreement: August 29, 2025 (“Effective Date”) Parties: Rocket Pharmaceuticals, Inc. (the “Company”) and Syed Rizvi (“Executive”) WHEREAS, the Parties d

November 6, 2025 EX-10.5

Exhibit 10.5 FIRST AMENDMENT TO EXECUTIVE EMPLOYMENT AGREEMENT 1. Section 3(d) 4 of the Employment Agreement is amended by adding the following new paragraph at the end thereof: Company: Rocket Pharmaceuticals, Inc. Executive:

Exhibit 10.5 FIRST AMENDMENT TO EXECUTIVE EMPLOYMENT AGREEMENT This FIRST AMENDMENT TO EXECUTIVE EMPLOYMENT AGREEMENT (“Amendment”) is entered into by and between Rocket Pharmaceuticals, Inc., a Delaware corporation (the “Company”), and Aaron Ondrey (“Executive”) effective as of June 18, 2025 (the “Effective Date”). WHEREAS, the Company and Executive entered into an Executive Employment Agreement

November 6, 2025 EX-99.1

Rocket Pharmaceuticals Reports Third Quarter 2025 Financial Results and Highlights Recent Progress

Exhibit 99.1 Rocket Pharmaceuticals Reports Third Quarter 2025 Financial Results and Highlights Recent Progress Pivotal Phase 2 trial of RP-A501 for Danon disease to resume in 1H 2026 KRESLADI™ for severe LAD-I on track for March 28, 2026 PDUFA date Leadership updates with the appointments of Dr. Syed Rizvi, Chief Medical Officer, Christopher Stevens, Chief Operating Officer, and Sarbani Chaudhuri

November 6, 2025 EX-10.3

Exhibit 10.3 EXECUTIVE EMPLOYMENT AGREEMENT Company: Executive:

Exhibit 10.3 EXECUTIVE EMPLOYMENT AGREEMENT THIS EXECUTIVE EMPLOYMENT AGREEMENT (this “Agreement”) is between Rocket Pharmaceuticals, Inc. a Delaware corporation (the “Company”) and Syed Rizvi (“Executive”) and is dated as of August 29, 2025 (the “Effective Date”). Each of the Company and Executive are sometimes referred to in this Agreement individually as a “Party” and together as the “Parties.”

November 6, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 6, 2025 Rocket Pharmaceuti

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 6, 2025 Rocket Pharmaceuticals, Inc.

November 6, 2025 10-Q

Basis of Presentation Significant Accounting Policies Principles of Consolidation Use of Estimates Cash, Cash Equivalents and Restricted Cash Investments Intangible Assets Goodwill Fair Value Measurements Warrants Stock-Based Compensation Recent Acco

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, 2025 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: 001-3682

October 14, 2025 EX-99.1

Rocket Pharmaceuticals Announces FDA Acceptance of BLA Resubmission of KRESLADI™ for the Treatment of Severe Leukocyte Adhesion Deficiency-I (LAD-I) Prescription Drug User Fee Act (PDUFA) target action date is March 28, 2026 All primary and secondary

Exhibit 99.1 Rocket Pharmaceuticals Announces FDA Acceptance of BLA Resubmission of KRESLADI™ for the Treatment of Severe Leukocyte Adhesion Deficiency-I (LAD-I) Prescription Drug User Fee Act (PDUFA) target action date is March 28, 2026 All primary and secondary endpoints were met, and KRESLADI™ was well tolerated Rocket is eligible for a Rare Pediatric Disease Priority Review Voucher, should KRE

October 14, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): October 14, 2025 Rocket Pharmaceuti

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): October 14, 2025 Rocket Pharmaceuticals, Inc.

October 3, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): September 29, 2025 Rocket Pharmaceu

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): September 29, 2025 Rocket Pharmaceuticals, Inc.

October 3, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): October 3, 2025 Rocket Pharmaceutic

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): October 3, 2025 Rocket Pharmaceuticals, Inc.

September 29, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): September 23, 2025 Rocket Pharmaceu

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): September 23, 2025 Rocket Pharmaceuticals, Inc.

September 17, 2025 EX-10.2

ROCKET PHARMACEUTICALS, INC. CONSULTING AGREEMENT

Exhibit 10.2 ROCKET PHARMACEUTICALS, INC. CONSULTING AGREEMENT This Consulting Agreement (this “Agreement”) is entered into as of January 1, 2026 between Rocket Pharmaceuticals, Inc., a Delaware corporation, with an address as set forth on the signature page below (the “Company”), and Kinnari Patel, an individual, with an address as set forth on the signature page below (“Consultant”), each herein

September 17, 2025 EX-10.1

Rocket Pharmaceuticals, Inc. 9 Cedarbrook Drive Cranbury, NJ 08512 September 11, 2025

Exhibit 10.1 Rocket Pharmaceuticals, Inc. 9 Cedarbrook Drive Cranbury, NJ 08512 September 11, 2025 Kinnari Patel ******* ******* Dear Kinnari: This letter (the “Agreement and Release”) confirms our agreement with regard to the resignation of your employment with Rocket Pharmaceuticals, Inc. (“the Company”) effective December 31, 2025 (the “Separation Date”). For avoidance of doubt, your last worki

September 17, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): September 11, 2025 Rocket Pharmaceu

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): September 11, 2025 Rocket Pharmaceuticals, Inc.

August 25, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 20, 2025 Rocket Pharmaceutic

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 20, 2025 Rocket Pharmaceuticals, Inc.

August 20, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 20, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 20, 2025 Rocket Pharmaceuticals, Inc.

August 20, 2025 EX-99.1

Rocket Pharmaceuticals Announces FDA Has Lifted the Clinical Hold on the Pivotal Phase 2 Trial of RP-A501 for the Treatment of Danon Disease

Exhibit 99.1 Rocket Pharmaceuticals Announces FDA Has Lifted the Clinical Hold on the Pivotal Phase 2 Trial of RP-A501 for the Treatment of Danon Disease CRANBURY, NJ – August 20, 2025 – Rocket Pharmaceuticals, Inc. (NASDAQ: RCKT), a fully integrated, late-stage biotechnology company advancing a sustainable pipeline of genetic therapies for rare disorders with high unmet need, today announced that

August 7, 2025 10-Q

Basis of Presentation Significant Accounting Policies Principles of Consolidation Use of Estimates Cash, Cash Equivalents and Restricted Cash Investments Intangible Assets Goodwill Fair Value Measurements Warrants Stock-Based Compensation Recent Acco

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, 2025 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: 001-36829 Roc

August 7, 2025 EX-10.1

Exhibit 10.1 EXECUTIVE EMPLOYMENT AGREEMENT Company: Executive:

Exhibit 10.1 EXECUTIVE EMPLOYMENT AGREEMENT THIS EXECUTIVE EMPLOYMENT AGREEMENT (this “Agreement”) is between Rocket Pharmaceuticals, Inc., a Delaware corporation (the “Company”) and Chris Stevens (“Executive”), and is dated as of July 7, 2025 (the “Effective Date”). Each of the Company and Executive are sometimes referred to in this Agreement individually as a “Party” and together as the “Parties

August 7, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 4, 2025 Rocket Pharmaceutica

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 4, 2025 Rocket Pharmaceuticals, Inc.

August 7, 2025 EX-99.1

Rocket Pharmaceuticals Reports Second Quarter 2025 Financial Results and Highlights Recent Progress

Exhibit 99.1 Rocket Pharmaceuticals Reports Second Quarter 2025 Financial Results and Highlights Recent Progress Prioritizing development of RP-A501 (Danon disease), RP-A601 (PKP2-ACM), and RP-A701 (BAG3-DCM) to advance AAV cardiovascular gene therapy platform for sustained value creation FDA RMAT designation awarded to RP-A601 for PKP2-ACM; Engaging with FDA on pivotal trial design following enco

July 24, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 24, 2025 Rocket Pharmaceuticals, Inc.

July 24, 2025 EX-99.1

Rocket Pharmaceuticals Announces Strategic Corporate Reorganization and Pipeline Prioritization of Cardiovascular Programs

Exhibit 99.1 Rocket Pharmaceuticals Announces Strategic Corporate Reorganization and Pipeline Prioritization of Cardiovascular Programs Restructuring pipeline to focus on AAV cardiovascular platform (Danon disease, PKP2-ACM, BAG3-DCM) and regulatory activities for KRESLADITM (severe LAD-I), setting foundation for near- and long-term value creation Organizational restructuring expected to reduce he

July 23, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 23, 2025 Rocket Pharmaceutical

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 23, 2025 Rocket Pharmaceuticals, Inc.

July 17, 2025 EX-99.1

Rocket Pharmaceuticals Receives FDA Regenerative Medicine Advanced Therapy (RMAT) Designation for RP-A601 Gene Therapy for PKP2-Arrhythmogenic Cardiomyopathy

Exhibit 99.1 Rocket Pharmaceuticals Receives FDA Regenerative Medicine Advanced Therapy (RMAT) Designation for RP-A601 Gene Therapy for PKP2-Arrhythmogenic Cardiomyopathy CRANBURY, NJ – July 17, 2025 – Rocket Pharmaceuticals, Inc. (NASDAQ: RCKT), a fully integrated, late-stage biotechnology company advancing a sustainable pipeline of genetic therapies for rare disorders with high unmet need, today

July 17, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 17, 2025 Rocket Pharmaceuticals, Inc.

July 11, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 7, 2025 Rocket Pharmaceuticals

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 7, 2025 Rocket Pharmaceuticals, Inc.

June 18, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 18, 2025 Rocket Pharmaceuticals

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 18, 2025 Rocket Pharmaceuticals, Inc.

May 27, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 27, 2025 Rocket Pharmaceuticals

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 27, 2025 Rocket Pharmaceuticals, Inc.

May 27, 2025 EX-99.1

Rocket Pharmaceuticals Provides Update on Phase 2 Clinical Trial of RP-A501 for Danon Disease

Exhibit 99.1 Rocket Pharmaceuticals Provides Update on Phase 2 Clinical Trial of RP-A501 for Danon Disease Conference call to be held later today at 8:30 a.m. ET CRANBURY, NJ – May 27, 2025 – Rocket Pharmaceuticals, Inc. (NASDAQ: RCKT), a fully integrated, late-stage biotechnology company advancing an integrated pipeline of genetic therapies for rare diseases, today announced an update related to

May 15, 2025 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 15, 2025 Rocket Pharmaceuticals, Inc.

May 15, 2025 EX-99.2

Rocket Pharmaceuticals Presents Preliminary Data from Phase 1 Clinical Trial of RP-A601 for PKP2 Arrhythmogenic Cardiomyopathy at 28th Annual Meeting of the American Society of Gene and Cell Therapy

Exhibit 99.2 Rocket Pharmaceuticals Presents Preliminary Data from Phase 1 Clinical Trial of RP-A601 for PKP2 Arrhythmogenic Cardiomyopathy at 28th Annual Meeting of the American Society of Gene and Cell Therapy RP-A601 was generally well-tolerated at a dose of 8.0E13 GC/kg with no dose-limiting toxicities in all three patients with up to 12 months follow-up RP-A601 promoted increased protein expr

May 15, 2025 EX-99.1

NVESTOR DE I CK INVESTOR DECK INVESTOR DECK Preliminary Data from Phase 1 Trial of RP-A601 May 2025 ©2025 Rocket Pharmaceuticals, Ltd. All rights reserved FORWARD LOOKING STATEMENT AND DISCLOSURES Various statements in this presentation concerning Ro

Exhibit 99.1 NVESTOR DE I CK INVESTOR DECK INVESTOR DECK Preliminary Data from Phase 1 Trial of RP-A601 May 2025 ©2025 Rocket Pharmaceuticals, Ltd. All rights reserved FORWARD LOOKING STATEMENT AND DISCLOSURES Various statements in this presentation concerning Rocket’s future expectations, plans and prospects that involve risks and uncertainties, as well as assumptions that, if they do not materia

May 8, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 8, 2025 Rocket Pharmaceuticals, Inc.

May 8, 2025 10-Q

Basis of Presentation Significant Accounting Policies Principles of Consolidation Use of Estimates Cash, Cash Equivalents and Restricted Cash Investments Intangible Assets Fair Value Measurements Warrants Stock-Based Compensation Recent Accounting Pr

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, 2025 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: 001-36829 Ro

May 8, 2025 EX-10.1

EXECUTIVE EMPLOYMENT AGREEMENT

Exhibit 10.1 EXECUTIVE EMPLOYMENT AGREEMENT THIS EXECUTIVE EMPLOYMENT AGREEMENT (this “Agreement”) is between Rocket Pharmaceuticals, Inc. a Delaware corporation (the “Company”) and Sarbani Chaudhuri (“Executive”) and is dated as of April 7, 2025 (the “Effective Date”). Each of the Company and Executive are sometimes referred to in this Agreement individually as a “Party” and together as the “Part

May 8, 2025 EX-99.1

Rocket Pharmaceuticals Reports First Quarter 2025 Financial Results and Highlights Recent Progress

Exhibit 99.1 Rocket Pharmaceuticals Reports First Quarter 2025 Financial Results and Highlights Recent Progress Phase 2 pivotal study of RP-A501 for Danon disease is ongoing; Program update expected mid-year 2025 Initial data from the Phase 1 study of RP-A601 for PKP2-ACM anticipated May 2025 IND submission for BAG3-DCM program expected mid-year 2025 Sarbani Chaudhuri appointed Chief Commercial &

April 30, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )         Filed by the Registrant ☒     Filed by a party other than the Registrant  ☐         Check the appropriate box:  ☐ Preliminary Proxy Statement  ☐ Confidential, for Use of the Commi

April 30, 2025 ARS

ARS

1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2024 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: 001-36829 Rocket Pharmaceuticals, Inc.

April 30, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  ) 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

April 29, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 26, 2025 Rocket Pharmaceutica

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 26, 2025 Rocket Pharmaceuticals, Inc.

April 7, 2025 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, DC 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 7, 2025 Rocket Pharmaceuticals, Inc.

March 3, 2025 S-8

As filed with the Securities and Exchange Commission on March 3, 2025

As filed with the Securities and Exchange Commission on March 3, 2025 Registration No.

March 3, 2025 EX-FILING FEES

Calculation of Filing Fee Table Form S-8 (Form Type) Rocket Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities

Exhibit 107 Calculation of Filing Fee Table Form S-8 (Form Type) Rocket Pharmaceuticals, Inc.

February 27, 2025 EX-99.1

Rocket Pharmaceuticals Reports Fourth Quarter and Full Year 2024 Financial Results and Highlights Recent Progress Dosing ongoing in the Phase 2 pivotal study of RP-A501 for Danon disease; Program update expected in the first half of 2025 New England

Exhibit 99.1 Rocket Pharmaceuticals Reports Fourth Quarter and Full Year 2024 Financial Results and Highlights Recent Progress Dosing ongoing in the Phase 2 pivotal study of RP-A501 for Danon disease; Program update expected in the first half of 2025 New England Journal of Medicine publication of Phase 1 study of RP-A501 to treat patients with Danon disease Long-term data from the Phase 1 trial of

February 27, 2025 EX-19

Note that other types of information may also be material; no complete list can be given.

Exhibit 19 1 Purpose This Policy is designed to prevent insider trading or allegations of insider trading and to protect the Company’s reputation for integrity and ethical conduct.

February 27, 2025 EX-21.1

Jurisdiction of Incorporation

Exhibit 21.1 Subsidiary Jurisdiction of Incorporation Rocket Ownership 1. Rocket Pharmaceuticals, Ltd. Cayman Islands 100% 2. Rocket Foundation, Inc. Delaware 100% 3. Spacecraft Seven, LLC Delaware 100% 4. Zebrafish Merger Sub II, LLC Delaware 100% 5. Rocket Pharmaceuticals Incorporated NJ 100% 6. Rocket Pharmaceuticals, B.V. Netherlands 100% 7. Rocket Pharmaceuticals, GmbH Switzerland 100% 8. Roc

February 27, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 27, 2025 Rocket Pharmaceuticals, Inc.

February 27, 2025 EX-10.24

ROCKET PHARMACEUTICALS, INC. NON-EMPLOYEE DIRECTOR COMPENSATION POLICY (Effective as of September 26, 2024)

Exhibit 10.24 ROCKET PHARMACEUTICALS, INC. NON-EMPLOYEE DIRECTOR COMPENSATION POLICY (Effective as of September 26, 2024) Rocket Pharmaceuticals, Inc. (the “Company”) believes that compensation of the members of the Company’s board of directors (the “Board,” and any committee thereof, a “Committee”), including equity compensation, represents a powerful tool to attract, retain and reward members of

February 27, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2024 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: 001-36829 Rocket Pharmaceuticals, Inc.

February 10, 2025 EX-99

JOINT FILING AGREEMENT

JOINT FILING AGREEMENT The undersigned hereby agree that this Schedule 13G (the “Schedule 13G”) with respect to the common stock of Rocket Pharmaceuticals, Inc.

January 28, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 25, 2025 Rocket Pharmaceuti

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 25, 2025 Rocket Pharmaceuticals, Inc.

December 16, 2024 SC 13D/A

RCKT / Rocket Pharmaceuticals, Inc. / RTW INVESTMENTS, LP - SC 13D/A Activist Investment

SC 13D/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) Under the Securities Exchange Act of 1934 (Amendment No. 11) Rocket Pharmaceuticals, Inc.  (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 77313F106 (

December 12, 2024 EX-FILING FEES

Calculation of Filing Fee Table Form 424(b)(5) (Form Type) Rocket Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Table Form 424(b)(5) (Form Type) Rocket Pharmaceuticals, Inc.

December 12, 2024 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): December 9, 2024 Rocket Pharmaceuticals, Inc.

December 12, 2024 424B5

Rocket Pharmaceuticals, Inc. 13,200,000 Shares of Common Stock

TABLE OF CONTENTS Filed Pursuant to Rule 424(b)(5) Registration No. 333-281606 PROSPECTUS SUPPLEMENT (To Prospectus dated August 16, 2024)   Rocket Pharmaceuticals, Inc. 13,200,000 Shares of Common Stock We are offering 13,200,000 of shares of our common stock, par value $0.01 per share. Our shares trade on the Nasdaq Global Market under the symbol “RCKT.” On December 10, 2024, the last sale price

December 12, 2024 EX-1.1

Rocket Pharmaceuticals, Inc. 13,200,000 Shares of Common Stock UNDERWRITING AGREEMENT

Exhibit 1.1 Execution Version Rocket Pharmaceuticals, Inc. 13,200,000 Shares of Common Stock UNDERWRITING AGREEMENT December 10, 2024 MORGAN STANLEY & CO. LLC LEERINK PARTNERS LLC CANTOR FITZGERALD & CO. As Representatives of the several Underwriters c/o Morgan Stanley & Co. LLC 1585 Broadway New York, New York 10036 c/o Leerink Partners LLC 1301 Avenue of the Americas, 5th Floor New York, New Yor

December 10, 2024 424B5

Subject to Completion Preliminary Prospectus Supplement dated December 10, 2024

TABLE OF CONTENTS The information in this preliminary prospectus supplement and the accompanying prospectus is not complete and may be changed.

December 5, 2024 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, DC 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): December 2, 2024 Rocket Pharmaceuticals, Inc.

November 18, 2024 EX-99.1

EX-99.1

Exhibit 99.1

November 18, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 18, 2024 Rocket Pharmaceuticals, Inc.

November 8, 2024 EX-99

JOINT FILING AGREEMENT

EX-99 2 Rule13DJointFilingAgreement.htm JOINT FILING AGREEMENT JOINT FILING AGREEMENT The undersigned hereby agree that this Schedule 13G (the “Schedule 13G”) with respect to the common stock of Rocket Pharmaceuticals, Inc. is, and any additional amendment thereto signed by each of the undersigned shall be, filed on behalf of each undersigned pursuant to and in accordance with the provisions of 13

November 8, 2024 SC 13G/A

RCKT / Rocket Pharmaceuticals, Inc. / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2 )* Rocket Pharmaceuticals, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 77313F106 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropri

November 7, 2024 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 September 30, 2024 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: 001-3682

November 7, 2024 EX-99.1

Rocket Pharmaceuticals Reports Third Quarter 2024 Financial Results and Highlights Recent Progress Enrollment completed in September and dosing ongoing in the Phase 2 pivotal study of RP-A501 for Danon disease Updated Phase 1 data from RP-A501 for Da

Exhibit 99.1 Rocket Pharmaceuticals Reports Third Quarter 2024 Financial Results and Highlights Recent Progress Enrollment completed in September and dosing ongoing in the Phase 2 pivotal study of RP-A501 for Danon disease Updated Phase 1 data from RP-A501 for Danon disease anticipated at American Heart Association’s 2024 Late-Breaking Scientific Sessions Enrollment completed in low dose cohort of

November 7, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 7, 2024 Rocket Pharmaceuticals, Inc.

September 11, 2024 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, DC 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): September 5, 2024 Rocket Pharmaceuticals, Inc.

August 16, 2024 EX-4.4

ROCKET PHARMACEUTICALS, INC., Dated as of [●], 202[●] Senior Debt Securities TABLE OF CONTENTS1

Exhibit 4.4 ROCKET PHARMACEUTICALS, INC., Issuer AND [TRUSTEE], Trustee INDENTURE Dated as of [●], 202[●] Senior Debt Securities TABLE OF CONTENTS1 ARTICLE 1 DEFINITIONS 1 Section 1.01 Definitions of Terms 1 ARTICLE 2 ISSUE, DESCRIPTION, TERMS, EXECUTION, REGISTRATION AND EXCHANGE OF SECURITIES 4 Section 2.01 Designation and Terms of Securities 4 Section 2.02 Form of Securities and Trustee’s Certi

August 16, 2024 S-3ASR

As filed with the Securities and Exchange Commission on August 16, 2024.

TABLE OF CONTENTS As filed with the Securities and Exchange Commission on August 16, 2024.

August 16, 2024 EX-FILING FEES

Table 1: Newly Registered and Carry Forward Securities

Calculation of Filing Fee Tables S-3 ROCKET PHARMACEUTICALS, INC. 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 Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effect

August 16, 2024 EX-4.5

ROCKET PHARMACEUTICALS, INC., Dated as of [●], 202[●] Subordinated Debt Securities TABLE OF CONTENTS1

Exhibit 4.5 ROCKET PHARMACEUTICALS, INC., Issuer AND [TRUSTEE], Trustee INDENTURE Dated as of [●], 202[●] Subordinated Debt Securities TABLE OF CONTENTS1 ARTICLE 1 DEFINITIONS 90 Section 1.01 Definitions of Terms 90 ARTICLE 2 ISSUE, DESCRIPTION, TERMS, EXECUTION, REGISTRATION AND EXCHANGE OF SECURITIES 93 Section 2.01 Designation and Terms of Securities 93 Section 2.02 Form of Securities and Trust

August 6, 2024 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 June 30, 2024 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: 001-36829 Roc

August 5, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 5, 2024 Rocket Pharmaceuticals, Inc.

August 5, 2024 EX-99.1

Rocket Pharmaceuticals Reports Second Quarter 2024 Financial Results and Highlights Recent Progress Enrollment of patients ongoing in the pivotal Phase 2 study of RP-A501 for the treatment of Danon disease and the Phase 1 study of RP-A601 to treat PK

Exhibit 99.1 Rocket Pharmaceuticals Reports Second Quarter 2024 Financial Results and Highlights Recent Progress Enrollment of patients ongoing in the pivotal Phase 2 study of RP-A501 for the treatment of Danon disease and the Phase 1 study of RP-A601 to treat PKP2 arrhythmogenic cardiomyopathy Working toward FDA-approval of KRESLADI for severe LAD-I; Commercial infrastructure and capabilities in

June 28, 2024 EX-99.1

Rocket Pharmaceuticals Provides Regulatory Update on KRESLADITM (marnetegragene autotemcel; marne-cel)

Exhibit 99.1 Rocket Pharmaceuticals Provides Regulatory Update on KRESLADITM (marnetegragene autotemcel; marne-cel) CRANBURY, N.J. – June 28, 2024 – Rocket Pharmaceuticals, Inc. (NASDAQ: RCKT), a fully integrated, late-stage biotechnology company advancing a sustainable pipeline of genetic therapies for rare disorders with high unmet needs, today announced a regulatory update for KRESLADI™ (marnet

June 28, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2024 Rocket Pharmaceuticals, Inc.

June 20, 2024 8-K

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, DC 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 13, 2024 Rocket Pharmaceuticals, Inc.

June 20, 2024 EX-3.1

CERTIFICATE OF AMENDMENT OF

Exhibit 3.1 CERTIFICATE OF AMENDMENT OF SEVENTH AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF ROCKET PHARMACEUTICALS, INC. PURSUANT TO SECTION 242 OF THE GENERAL CORPORATION LAW OF THE STATE OF DELAWARE Rocket Pharmaceuticals, Inc., a Delaware corporation (the “Corporation”), hereby certifies as follows: The Board of Directors of the Corporation (the “Board of Directors”), pursuant to Secti

May 7, 2024 EX-10.1

EXECUTIVE EMPLOYMENT AGREEMENT

Exhibit 10.1 EXECUTIVE EMPLOYMENT AGREEMENT THIS EXECUTIVE EMPLOYMENT AGREEMENT (this “Agreement”) is between Rocket Pharmaceuticals, Inc. a Delaware corporation (the “Company”) and Aaron Ondrey (“Executive”) and is dated as of March 25, 2024 (the “Effective Date”). Each of the Company and Executive are sometimes referred to in this Agreement individually as a “Party” and together as the “Parties.

May 7, 2024 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, 2024 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: 001-36829 Ro

May 6, 2024 EX-99.1

Rocket Pharmaceuticals Reports First Quarter 2024 Financial Results and Highlights Recent Progress Advanced RP-L102 for Fanconi Anemia towards regulatory reviews; EMA accepted MAA for review and BLA submission anticipated in the first half of 2024 Co

Exhibit 99.1 Rocket Pharmaceuticals Reports First Quarter 2024 Financial Results and Highlights Recent Progress Advanced RP-L102 for Fanconi Anemia towards regulatory reviews; EMA accepted MAA for review and BLA submission anticipated in the first half of 2024 Continued preparations to launch LV portfolio beginning with KRESLADI™ (marnetegragene autotemcel) for severe LAD-I; PDUFA date of June 30,

May 6, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 6, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 6, 2024 Rocket Pharmaceuticals, Inc.

April 29, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  ) 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

April 29, 2024 ARS

ARS

f UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K (Mark One) ց ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR Ԑ 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: 001-36829 Rocket Pharmaceuticals, Inc.

April 29, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

TABLE OF CONTENTS   UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 17, 2024 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

TABLE OF CONTENTS   UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 5, 2024 SC 13G/A

RCKT / Rocket Pharmaceuticals, Inc. / WELLINGTON MANAGEMENT GROUP LLP - SEC 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. 1 )* Rocket Pharmaceuticals, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 77313F106 (CUSIP Number) March 29, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which t

March 29, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): March 25, 2024 Rocket Pharmaceuticals, Inc.

March 29, 2024 EX-99.1

Rocket Pharmaceuticals Announces Appointment of Aaron Ondrey as Chief Financial Officer and Additional Updates to Corporate Leadership Team Aaron Ondrey joins as Chief Financial Officer bringing seasoned leadership experience in financial management,

Exhibit 99.1 Rocket Pharmaceuticals Announces Appointment of Aaron Ondrey as Chief Financial Officer and Additional Updates to Corporate Leadership Team Aaron Ondrey joins as Chief Financial Officer bringing seasoned leadership experience in financial management, strategic planning, commercial finance, and capital allocation Additional key appointments within existing corporate leadership team exp

February 27, 2024 EX-21.1

Jurisdiction of Incorporation

Exhibit 21.1 Subsidiary Jurisdiction of Incorporation Rocket Ownership 1. Rocket Pharmaceuticals, Ltd. Cayman Islands 100% 2. Rocket Foundation, Inc. Delaware 100% 3. Spacecraft Seven, LLC Delaware 100% 4. Zebrafish Merger Sub II, LLC Delaware 100% 5. Rocket Pharmaceutical, Inc. NJ 100% 6. Rocket Pharmaceuticals, B.V. Netherlands 100% 7. Rocket Pharmaceuticals, GmbH Switzerland 100% 8. Rocket Phar

February 27, 2024 10-K

f UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K

f UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 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: 001-36829 Rocket Pharmaceuticals, Inc.

February 27, 2024 EX-97

ROCKET PHARMACEUTICALS, INC. NASDAQ RULE 5608 COMPENSATION CLAWBACK POLICY APPLICABLE TO EXECUTIVE OFFICERS EFFECTIVE SEPTEMBER 25, 2023

Exhibit 97 ROCKET PHARMACEUTICALS, INC. NASDAQ RULE 5608 COMPENSATION CLAWBACK POLICY APPLICABLE TO EXECUTIVE OFFICERS EFFECTIVE SEPTEMBER 25, 2023 1. Policy Purpose. The purpose of this Rocket Pharmaceuticals, Inc. Nasdaq Rule 5608 Compensation Clawback Policy Applicable to Executive Officers (this “Policy”) is to enable Rocket Pharmaceuticals, Inc. (the “Company”) to recover Erroneously Awarded

February 27, 2024 EX-10.13

PROPRIETARY INFORMATION, INVENTIONS AND NON-SOLICITATION/NON-COMPETITION AGREEMENT

Exhibit 10.13 PROPRIETARY INFORMATION, INVENTIONS AND NON-SOLICITATION/NON-COMPETITION AGREEMENT In consideration of my employment or continued employment by Rocket Pharmaceuticals, Inc., a Delaware corporation (the “Company”), on behalf of its subsidiaries, parents, affiliates, predecessors, successors and assigns (together, with the Company, the “Company Group”) and the compensation now and here

February 27, 2024 EX-10.23

ROCKET PHARMACEUTICALS, INC. GENERAL COMPENSATION CLAWBACK POLICY AMENDED AND RESTATED EFFECTIVE SEPTEMBER 25, 2023

Exhibit 10.23 ROCKET PHARMACEUTICALS, INC. GENERAL COMPENSATION CLAWBACK POLICY AMENDED AND RESTATED EFFECTIVE SEPTEMBER 25, 2023 Overview, Purpose and Scope All applicable compensation provided by Rocket Pharmaceuticals, Inc. and its subsidiaries and affiliates (the “Company”) to employees is provided subject to all applicable laws and regulations providing for the forfeiture, disgorgement, recou

February 26, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 26, 2024 Rocket Pharmaceuticals, Inc.

February 26, 2024 EX-99.1

Rocket Pharmaceuticals Reports Fourth Quarter and Full Year 2023 Financial Results and Highlights Recent Progress

Exhibit 99.1 Rocket Pharmaceuticals Reports Fourth Quarter and Full Year 2023 Financial Results and Highlights Recent Progress Advancing leading pipeline of six disclosed programs across AAV cardiovascular and LV hematology portfolios; all milestones remain on track for 2024 Expanding commercial capabilities to support launch of LV portfolio beginning with KRESLADITM (marnetegragene autotemcel) fo

February 13, 2024 EX-99.1

Rocket Pharmaceuticals Announces Update on FDA Review Timeline of KRESLADITM (marnetegragene autotemcel) for the Treatment of Severe Leukocyte Adhesion Deficiency-I (LAD-I) New Prescription Drug User Fee Act (PDUFA) date of June 30, 2024

Exhibit 99.1 Rocket Pharmaceuticals Announces Update on FDA Review Timeline of KRESLADITM (marnetegragene autotemcel) for the Treatment of Severe Leukocyte Adhesion Deficiency-I (LAD-I) New Prescription Drug User Fee Act (PDUFA) date of June 30, 2024 CRANBURY, N.J. – Feb. 13, 2024 – Rocket Pharmaceuticals, Inc. (NASDAQ: RCKT), a fully integrated, late-stage biotechnology company advancing a sustai

February 13, 2024 SC 13G/A

RCKT / Rocket Pharmaceuticals, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 2)* Name of issuer: Rocket Pharmaceuticals Inc Title of Class of Securities: Common Stock CUSIP Number: 77313F106 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule pursuant to which this Schedule is f

February 13, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2024 Rocket Pharmaceut

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2024 Rocket Pharmaceuticals, Inc.

February 8, 2024 SC 13G

RCKT / Rocket Pharmaceuticals, Inc. / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

SC 13G 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Rocket Pharmaceuticals, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 77313F106 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate b

January 29, 2024 SC 13G/A

RCKT / Rocket Pharmaceuticals, Inc. / BlackRock Inc. Passive Investment

SC 13G/A 1 us77313f1066012924.txt us77313f1066012924.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 2) ROCKET PHARMACEUTICALS, INC. - (Name of Issuer) Common Stock - (Title of Class of Securities) 77313F106 - (CUSIP Number) December 31, 2023 - (Date of Event Which Requires Filing of this Statement) Check the appro

January 22, 2024 SC 13G/A

RCKT / Rocket Pharmaceuticals, Inc. / STATE STREET CORP Passive Investment

SC 13G/A 1 RocketPharInc.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 EXIT FILING ROCKET PHARMACEUTICALS INC (NAME OF ISSUER) COMMON STOCK (TITLE OF CLASS OF SECURITIES) 77313F106 (CUSIP NUMBER) 12/31/2023 (DATE OF EVENT WHICH REQUIRES FILING OF THIS STATEMENT) CHECK THE APPROPRIATE BOX TO DESIGNATE THE RULE PURS

December 13, 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, DC 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): December 7, 2023 Rocket Pharmaceuticals, Inc.

November 7, 2023 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 September 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: 001-3682

October 2, 2023 EX-99.1

Rocket Pharmaceuticals Announces FDA Acceptance of Biologics License Application with Priority Review for RP-L201 (marnetegragene autotemcel) for the Treatment of Severe Leukocyte Adhesion Deficiency-I (LAD-I) Prescription Drug User Fee Act (PDUFA) t

Exhibit 99.1 Rocket Pharmaceuticals Announces FDA Acceptance of Biologics License Application with Priority Review for RP-L201 (marnetegragene autotemcel) for the Treatment of Severe Leukocyte Adhesion Deficiency-I (LAD-I) Prescription Drug User Fee Act (PDUFA) target action date is March 31, 2024 RP-L201 has received FDA Regenerative Medicine Advanced Therapy (RMAT), Rare Pediatric, Fast Track an

October 2, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): October 2, 2023 Rocket Pharmaceutic

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): October 2, 2023 Rocket Pharmaceuticals, Inc.

September 20, 2023 424B5

Rocket Pharmaceuticals, Inc.

Filed Pursuant to Rule 424(b)(5) Registration No. 333-253756 SUPPLEMENT NO.1 TO PROSPECTUS SUPPLEMENT DATED FEBRUARY 28, 2022 (To Prospectus dated September 10, 2021)   Rocket Pharmaceuticals, Inc. This Supplement No. 1 to Prospectus Supplement (this “Supplement”) supplements and amends the Prospectus Supplement dated February 28, 2022 (the “Prospectus Supplement”). This Supplement should be read

September 19, 2023 SC 13D/A

RCKT / Rocket Pharmaceuticals Inc / RTW INVESTMENTS, LP - ROCKET PHARMACEUTICALS, INC. Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) Under the Securities Exchange Act of 1934 (Amendment No. 10) Rocket Pharmaceuticals, Inc. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 77313F106 (CUSIP Numb

September 15, 2023 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): September 12, 2023 Rocket Pharmaceuticals, Inc.

September 15, 2023 EX-4.1

ROCKET PHARMACEUTICALS, INC. PRE-FUNDED WARRANT TO PURCHASE COMMON STOCK

Exhibit 4.1 THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), OR ANY APPLICABLE STATE SECURITIES LAWS. SUCH SECURITIES HAVE BEEN ACQUIRED FOR INVESTMENT PURPOSES AND MAY NOT BE OFFERED FOR SALE, SOLD, DELIVERED AFTER SALE, TRANSFERRED, PLEDGED OR HYPOTHECATED IN THE ABSENCE OF AN EFFECTIVE REGISTRATION STATEMENT FILED BY

September 15, 2023 EX-1.1

Rocket Pharmaceuticals, Inc. 7,812,500 Shares of Common Stock Pre-Funded Warrants to Purchase 3,126,955 Shares of Common Stock UNDERWRITING AGREEMENT

Exhibit 1.1 Execution Version Rocket Pharmaceuticals, Inc. 7,812,500 Shares of Common Stock Pre-Funded Warrants to Purchase 3,126,955 Shares of Common Stock UNDERWRITING AGREEMENT September 12, 2023 J.P. Morgan Securities LLC Morgan Stanley & Co. LLC LEERINK PARTNERS LLC COWEN AND COMPANY, LLC As Representatives of the several Underwriters c/o J.P. Morgan Securities LLC 383 Madison Avenue New York

September 13, 2023 424B5

Rocket Pharmaceuticals, Inc. 7,812,500 Shares of Common Stock Pre-Funded Warrants to Purchase 3,126,955 Shares of Common Stock

TABLE OF CONTENTS Filed Pursuant to Rule 424(b)(5) Registration No. 333-253756 PROSPECTUS SUPPLEMENT (To Prospectus dated September 10, 2021)   Rocket Pharmaceuticals, Inc. 7,812,500 Shares of Common Stock Pre-Funded Warrants to Purchase 3,126,955 Shares of Common Stock We are offering 7,812,500 shares of our common stock and, to certain investors, pre-funded warrants to purchase 3,126,955 shares

September 13, 2023 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): September 12, 2023 Rocket Pharmaceuticals, Inc.

September 13, 2023 EX-1.1

ROCKET PHARMACEUTICALS, INC. COMMON STOCK AMENDMENT NO. 1 TO SALES AGREEMENT September 12, 2023 Amendment No.1 to Sales Agreement

Exhibit 1.1 ROCKET PHARMACEUTICALS, INC. COMMON STOCK AMENDMENT NO. 1 TO SALES AGREEMENT September 12, 2023 Amendment No.1 to Sales Agreement Reference is made to the Sales Agreement, dated February 28, 2022 (the “Agreement”), by and between Rocket Pharmaceuticals, Inc., a Delaware corporation (the “Company”), and Cowen and Company, LLC (“Cowen”). The Company and Cowen (together, the “Parties”) wi

September 12, 2023 EX-99.2

Rocket Pharmaceuticals Reaches FDA Alignment on Pivotal Phase 2 Trial Design in RP-A501 in Danon Disease Final alignment reached on a single arm, open-label study with natural history comparator and a biomarker based co-primary endpoint consisting of

Exhibit 99.2 Rocket Pharmaceuticals Reaches FDA Alignment on Pivotal Phase 2 Trial Design in RP-A501 in Danon Disease Final alignment reached on a single arm, open-label study with natural history comparator and a biomarker based co-primary endpoint consisting of LAMP2 protein expression and Left Ventricular (LV) Mass 12 patient study with primary endpoint assessment at 12 months to support accele

September 12, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): September 12, 2023 Rocket Pharmaceuticals, Inc.

September 12, 2023 424B5

The information in this preliminary prospectus supplement and the accompanying prospectus is not complete and may be changed. A registration statement has been filed with the Securities and Exchange Commission and is effective. This preliminary prosp

TABLE OF CONTENTS Filed Pursuant to Rule 424(b)(5) Registration No. 333-253756 The information in this preliminary prospectus supplement and the accompanying prospectus is not complete and may be changed. A registration statement has been filed with the Securities and Exchange Commission and is effective. This preliminary prospectus supplement and the accompanying prospectus are not an offer to se

September 12, 2023 EX-99.1

Disclaimer 1 CONFIDENTIAL AND PROPRIETARY Various statements in this presentation concerning Rocket's future expectations, plans and prospects, including without limitation, Rocket’s expectations regarding the safety and effectiveness of product cand

Exhibit 99.1 S E E K I N G G E N E T H E R A P Y C U R E S Rocket Pharmaceuticals Danon Disease Program Update September 11, 2023 1 CONFIDENTIAL AND PROPRIETARY Disclaimer 1 CONFIDENTIAL AND PROPRIETARY Various statements in this presentation concerning Rocket's future expectations, plans and prospects, including without limitation, Rocket’s expectations regarding the safety and effectiveness of p

August 9, 2023 EX-10.1

SEVERANCE AND CHANGE IN CONTROL PROGRAM

Exhibit 10.1 SEVERANCE AND CHANGE IN CONTROL PROGRAM I. Purpose and Scope The purposes of the Rocket Pharmaceuticals, Inc. (“Rocket” or the “Company”) Severance and Change in Control Program (the “Program”) are to provide management guidance for: • Making severance benefits available to certain eligible employees to financially assist with their transition following certain qualifying terminations

August 9, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 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, 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: 001-36829 Rocket Pharmaceutical

June 23, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 22, 2023 Rocket Pharmaceutical

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 22, 2023 Rocket Pharmaceuticals, Inc.

May 5, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 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 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: 001-36829 Rocket Pharmaceutica

May 1, 2023 ARS

ARS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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: 001-36829 Rocket Pharmaceuticals, Inc.

April 28, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  )

TABLE OF CONTENTS   UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 28, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  ) 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

April 5, 2023 POS AM

As filed with the Securities and Exchange Commission on April 5, 2023

As filed with the Securities and Exchange Commission on April 5, 2023 Registration No.

April 5, 2023 SC 13D/A

RCKT / Rocket Pharmaceuticals Inc / RTW INVESTMENTS, LP - ROCKET PHARMACEUTICALS, INC. Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) Under the Securities Exchange Act of 1934 (Amendment No. 9) Rocket Pharmaceuticals, Inc. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 77313F106 (CUSIP Numbe

April 4, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 4, 2023 ROCKET PHARMACEUTICAL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 4, 2023 ROCKET PHARMACEUTICALS, INC.

March 10, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): March 10, 2023 Rocket Pharmaceutica

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): March 10, 2023 Rocket Pharmaceuticals, Inc.

February 28, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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: 001-36829 Rocket Pharmaceuticals, Inc.

February 27, 2023 EX-99.1

Rocket Pharmaceuticals Reports Fourth Quarter and Full Year 2022 Financial and Operational Results Advanced pipeline of four clinical programs across AAV cardiology and LV hematology portfolios delivering strong results for Danon Disease, Fanconi Ane

Rocket Pharmaceuticals Reports Fourth Quarter and Full Year 2022 Financial and Operational Results Advanced pipeline of four clinical programs across AAV cardiology and LV hematology portfolios delivering strong results for Danon Disease, Fanconi Anemia, LAD-I and PKD Expanded leadership position in AAV cardiac gene therapy, with significant opportunities for value creation across Danon Disease, PKP2-ACM and BAG3-DCM programs Established in-house cGMP manufacturing for AAV, poised to support Danon pivotal trial in Q2’23 and subsequent commercialization Cash, cash equivalents and investments of approximately $400M; expected operational runway through 2024 CRANBURY, N.

February 27, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 27, 2023 Rocket Pharmaceut

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 27, 2023 Rocket Pharmaceuticals, Inc.

February 24, 2023 CERT

CERT

The Nasdaq Stock Market LLC, 805 King Farm Blvd., Rockville, MD 20850 Eun Ah Choi Senior Vice President U.S. Listing Qualifications & Market Surveillance February 24, 2023 Division of Corporation Finance U.S. Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Division of Corporation Finance: This is to certify that on February 24, 2023, The Nasdaq Stock Market LLC (the "E

February 24, 2023 8-A12B

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES Pursuant to Section 12(b) or (g) of the Securities Exchange Act of 1934 Rocket Pharmaceuticals, Inc. (Exact Name of Registrant as Spe

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES Pursuant to Section 12(b) or (g) of the Securities Exchange Act of 1934 Rocket Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 04-3475813 (State of Incorporation or Organization) (IRS Employer Identification Number) 9 Cedarbrook Drive, Cranbury,

February 24, 2023 EX-4.3

ASSIGNMENT, ASSUMPTION AND AMENDED & RESTATED WARRANT AGREEMENT

Exhibit 4.3 Execution Version ASSIGNMENT, ASSUMPTION AND AMENDED & RESTATED WARRANT AGREEMENT THIS ASSIGNMENT, ASSUMPTION AND AMENDED & RESTATED WARRANT AGREEMENT (this “Agreement”), dated January 16, 2023 and effective as of December 1, 2022 (the “Effective Date”), is by and among Rocket Pharmaceuticals, Inc., a Delaware corporation (the “Company”), Zebrafish Merger Sub II, LLC, a Delaware limite

February 9, 2023 SC 13G/A

RCKT / Rocket Pharmaceuticals Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1)* Name of issuer: Rocket Pharmaceuticals Inc. Title of Class of Securities: Common Stock CUSIP Number: 77313F106 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule pursuant to which this Schedule is

February 7, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 7, 2023 Rocket Pharmaceuticals, Inc.

February 7, 2023 EX-99.1

Rocket Pharmaceuticals Receives FDA Regenerative Medicine Advanced Therapy (RMAT) Designation for RP-A501 Gene Therapy for Danon Disease

Exhibit 99.1 Rocket Pharmaceuticals Receives FDA Regenerative Medicine Advanced Therapy (RMAT) Designation for RP-A501 Gene Therapy for Danon Disease CRANBURY, N.J. – Feb. 7, 2023 – Rocket Pharmaceuticals, Inc. (NASDAQ: RCKT), a leading late-stage biotechnology company advancing an integrated and sustainable pipeline of genetic therapies for rare disorders with high unmet need, today announced tha

February 6, 2023 SC 13G/A

RCKT / Rocket Pharmaceuticals Inc / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Rocket Pharmaceuticals, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 77313F106 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropria

January 31, 2023 SC 13G

RCKT / Rocket Pharmaceuticals Inc / STATE STREET CORP Passive Investment

SC 13G 1 RocketPharmaceuticalsInc.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 INITIAL FILING ROCKET PHARMACEUTICALS INC (NAME OF ISSUER) COMMON STOCK (TITLE OF CLASS OF SECURITIES) 77313F106 (CUSIP NUMBER) 12/31/2022 (DATE OF EVENT WHICH REQUIRES FILING OF THIS STATEMENT) CHECK THE APPROPRIATE BOX TO DESIGNATE T

January 31, 2023 SC 13G/A

RCKT / Rocket Pharmaceuticals Inc / BlackRock Inc. Passive Investment

SC 13G/A 1 us77313f1066013123.txt us77313f1066013123.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 1) ROCKET PHARMACEUTICALS, INC. - (Name of Issuer) Common Stock - (Title of Class of Securities) 77313F106 - (CUSIP Number) December 31, 2022 - (Date of Event Which Requires Filing of this Statement) Check the appro

January 9, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 9, 2023 Rocket Pharmaceutic

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 9, 2023 Rocket Pharmaceuticals, Inc.

January 9, 2023 EX-99.2

Rocket Pharmaceuticals Expands Cardiac Gene Therapy Portfolio with Addition of RP-A601 for PKP2-ACM and Announces Positive Updated Phase 1 Data for RP-A501 in Danon Disease RP-A601 for Arrhythmogenic Cardiomyopathy due to PKP2 pathogenic variants (PK

Exhibit 99.2 Rocket Pharmaceuticals Expands Cardiac Gene Therapy Portfolio with Addition of RP-A601 for PKP2-ACM and Announces Positive Updated Phase 1 Data for RP-A501 in Danon Disease RP-A601 for Arrhythmogenic Cardiomyopathy due to PKP2 pathogenic variants (PKP2-ACM) represents meaningful commercial opportunity with estimated prevalence of 50,000 adults and children in the U.S. and EU; IND fili

January 9, 2023 EX-99.1

INVESTOR DECK INVESTOR DECK INVESTOR DECK 41st Annual J.P. Morgan Healthcare Conference Company Presentation Gaurav Shah, MD Chief Executive Officer January 9, 2023 DISCLAIMER Various statements in this presentation concerning Rocket's future expecta

EX-99.1 2 brhc10046430ex99-1.htm EXHIBIT 99.1 Exhibit 99.1 INVESTOR DECK INVESTOR DECK INVESTOR DECK 41st Annual J.P. Morgan Healthcare Conference Company Presentation Gaurav Shah, MD Chief Executive Officer January 9, 2023 DISCLAIMER Various statements in this presentation concerning Rocket's future expectations, plans and prospects, including without limitation, Rocket's expectations regarding i

December 22, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): December 22, 2022 Rocket Pharmaceut

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): December 22, 2022 Rocket Pharmaceuticals, Inc.

December 22, 2022 EX-99.1

Rocket Pharmaceuticals Provides Update on Anticipated Registration Path for RP-A501 in Danon Disease Following End-of-Phase 1 FDA Meeting Based on ongoing FDA discussion, Rocket to pursue a biomarker-based composite endpoint for a single arm, open-la

Exhibit 99.1 Rocket Pharmaceuticals Provides Update on Anticipated Registration Path for RP-A501 in Danon Disease Following End-of-Phase 1 FDA Meeting Based on ongoing FDA discussion, Rocket to pursue a biomarker-based composite endpoint for a single arm, open-label pivotal trial with a natural history comparator Initiation of initial component of global study anticipated in 1H’23 CRANBURY, N.J. –

December 20, 2022 S-8

As filed with the Securities and Exchange Commission on December 20, 2022

As filed with the Securities and Exchange Commission on December 20, 2022 Registration No.

December 20, 2022 EX-FILING FEES

Good-Bye! (Leaving the SEC Website) This page is temporarily unavailable.

Exhibit 107 Calculation of Filing Fee Table Form S-8 (Form Type) Rocket Pharmaceuticals, Inc.

December 1, 2022 EX-99.1

Rocket Pharmaceuticals Completes Acquisition of Renovacor Acquisition further extends Rocket’s leadership in AAV-based cardiac gene therapy and expands focus and capabilities to BAG3-associated dilated cardiomyopathy

Exhibit 99.1 Rocket Pharmaceuticals Completes Acquisition of Renovacor Acquisition further extends Rocket?s leadership in AAV-based cardiac gene therapy and expands focus and capabilities to BAG3-associated dilated cardiomyopathy CRANBURY, N.J. ? December 1, 2022 ? Rocket Pharmaceuticals, Inc. (NASDAQ: RCKT), a leading late-stage biotechnology company advancing an integrated and sustainable pipeli

December 1, 2022 8-K

Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets, Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2022 Rocket Pharmaceuticals, Inc.

November 4, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 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, 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: 001-36829 Rocket Pharmaceu

November 3, 2022 EX-99.1

— Positive updates from Phase 1 clinical trial in Danon Disease showed RP-A501 was well tolerated with evidence of durable treatment effect and disease improvement for both pediatric patients and adult patients with up to nine and 36 months of follow

Exhibit 99.1 Rocket Pharmaceuticals Reports Third Quarter 2022 Financial Results and Highlights Recent Progress ? Positive updates from Phase 1 clinical trial in Danon Disease showed RP-A501 was well tolerated with evidence of durable treatment effect and disease improvement for both pediatric patients and adult patients with up to nine and 36 months of follow-up, respectively? ? Phase 2 pivotal s

November 3, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 3, 2022 Rocket Pharmaceuticals, Inc.

October 31, 2022 424B3

JOINT LETTER TO STOCKHOLDERS OF RENOVACOR, INC. AND ROCKET PHARMACEUTICALS, INC.

424B3 1 edge20005380x4424b3.htm 424B3 TABLE OF CONTENTS Filed Pursuant to Rule 424(b)(3) Registration No. 333-267871     JOINT LETTER TO STOCKHOLDERS OF RENOVACOR, INC. AND ROCKET PHARMACEUTICALS, INC. Dear Stockholders of Renovacor, Inc. and Rocket Pharmaceuticals, Inc.: As previously announced, on September 19, 2022, Renovacor, Inc., a Delaware corporation (“Renovacor”) and Rocket Pharmaceutical

October 27, 2022 EX-99.1

EX-99.1

Exhibit 99.1

October 27, 2022 EX-99.2

EX-99.2

Exhibit 99.2

October 27, 2022 S-4/A

As filed with the U.S. Securities and Exchange Commission on October 27, 2022

TABLE OF CONTENTS As filed with the U.S. Securities and Exchange Commission on October 27, 2022 Registration No. 333-267871 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 1 to FORM S-4 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Rocket Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware ? ? 001-36829 ? ? 04-347581

October 27, 2022 CORRESP

[Signature Page Follows]

October 27, 2022 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

October 27, 2022 EX-FILING FEES

Calculation of Filing Fee Tables Form S-4

Exhibit 107 Calculation of Filing Fee Tables Form S-4 (Form Type) Rocket Pharmaceuticals, Inc.

October 19, 2022 LETTER

LETTER

United States securities and exchange commission logo October 19, 2022 Gaurav Shah, M.

October 13, 2022 S-4

As filed with the U.S. Securities and Exchange Commission on October 13, 2022

TABLE OF CONTENTS As filed with the U.S. Securities and Exchange Commission on October 13, 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 Rocket Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware ? ? 001-36829 ? ? 04-3475813 (State of Incorporat

October 13, 2022 EX-FILING FEES

Calculation of Filing Fee Tables Form S-4 (Form Type) Rocket Pharmaceuticals, 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 Car

Exhibit 107 Calculation of Filing Fee Tables Form S-4 (Form Type) Rocket Pharmaceuticals, Inc.

October 11, 2022 SC 13D/A

RCKT / Rocket Pharmaceuticals Inc / RTW INVESTMENTS, LP - ROCKET PHARMACEUTICALS, INC. Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) Under the Securities Exchange Act of 1934 (Amendment No. 8) Rocket Pharmaceuticals, Inc. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 77313F106 (CUSIP Numbe

October 4, 2022 424B5

6,800,000 Shares

TABLE OF CONTENTS Filed Pursuant to Rule 424(b)(5) Registration No. 333-253756 PROSPECTUS SUPPLEMENT (To Prospectus dated September 10, 2021) 6,800,000 Shares ? Rocket Pharmaceuticals, Inc. Common Stock We are selling 6,800,000 shares of our common stock. Our shares trade on the Nasdaq Global Market under the symbol ?RCKT.? On October 3, 2022, the last sale price of the shares as reported on the N

October 4, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): October 3, 2022 Rocket Pharmaceuticals, Inc.

October 4, 2022 EX-1.1

6,800,000 Shares Rocket Pharmaceuticals, Inc. Common Stock UNDERWRITING AGREEMENT

EX-1.1 2 ny20005453x4ex1-1.htm EXHIBIT 1.1 Exhibit 1.1 6,800,000 Shares Rocket Pharmaceuticals, Inc. Common Stock UNDERWRITING AGREEMENT October 3, 2022 MORGAN STANLEY & CO. LLC J.P. MORGAN SECURITIES LLC SVB SECURITIES LLC As Representatives of the several Underwriters c/o Morgan Stanley & Co. LLC 1585 Broadway New York, New York 10036 c/o J.P. Morgan Securities LLC 383 Madison Avenue New York, N

October 3, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): September 30, 2022 Rocket Pharmaceuticals, Inc.

October 3, 2022 EX-99.1

Update from Phase 1 Trial of RP-A501 Gene Therapy Treatment for Danon DiseaseSeptember 30, 2022 DISCLAIMER Various statements in this release concerning Rocket’s future expectations, plans and prospects, including without limitation, Rocket’s expecta

Exhibit 99.1 Update from Phase 1 Trial of RP-A501 Gene Therapy Treatment for Danon DiseaseSeptember 30, 2022 DISCLAIMER Various statements in this release concerning Rocket?s future expectations, plans and prospects, including without limitation, Rocket?s expectations regarding its guidance for 2022, the safety and effectiveness of RP-A501 for the potential treatment of Danon Disease, trends for R

October 3, 2022 424B5

Subject to Completion Preliminary Prospectus Supplement dated October 3, 2022

TABLE OF CONTENTS The information in this preliminary prospectus supplement and the accompanying prospectus is not complete and may be changed.

September 21, 2022 SC 13D/A

RCKT / Rocket Pharmaceuticals Inc / RTW INVESTMENTS, LP - ROCKET PHARMACEUTICALS, INC. Activist Investment

SC 13D/A 1 p22-2208sc13da.htm ROCKET PHARMACEUTICALS, INC. SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) Under the Securities Exchange Act of 1934 (Amendment No. 7) Rocket Pharmaceuticals, Inc. (Name of Issuer) Common Stock, par value $0.01 per

September 20, 2022 EX-99.2

VOTING AGREEMENT

Exhibit 99.2 Execution Version VOTING AGREEMENT THIS VOTING AGREEMENT (this ?Agreement?) is made and entered into as of September , 2022, by and between Rocket Pharmaceuticals, Inc., a Delaware corporation (?Parent?), and the undersigned stockholder (the ?Stockholder?) of Renovacor, Inc., a Delaware corporation (the ?Company?). WITNESSETH: WHEREAS, contemporaneously with the execution of this Agre

September 20, 2022 425

Company Name: Rocket Pharmaceuticals Inc Company Ticker: RCKT US Equity Date: 2022-09-20 Acquisition of Renovacor, Inc by Rocket Pharmaceuticals, Inc Company Participants Gaurav Shah, CEO Jessie Yeung, VP of Investor Relations and Corporate Finance O

425 1 brhc10042079425.htm 425 Filed by Rocket Pharmaceuticals, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Renovacor, Inc. Commission File No.: 001-39271 Date: September 20, 2022 This filing relates to the proposed acquisition of Renovacor, Inc., a Delaware corporation (the “Company”)

September 20, 2022 EX-99.2

VOTING AGREEMENT

Exhibit 99.2 Execution Version VOTING AGREEMENT THIS VOTING AGREEMENT (this ?Agreement?) is made and entered into as of September , 2022, by and between Rocket Pharmaceuticals, Inc., a Delaware corporation (?Parent?), and the undersigned stockholder (the ?Stockholder?) of Renovacor, Inc., a Delaware corporation (the ?Company?). WITNESSETH: WHEREAS, contemporaneously with the execution of this Agre

September 20, 2022 EX-99.3

Rocket Pharmaceuticals to Acquire Renovacor, Extending Leadership in AAV-based Cardiac Gene Therapy • Acquisition further strengthens Rocket’s leadership in AAV-based cardiac gene therapy and expands Company’s near-term clinical assets for the treatm

Exhibit 99.3 Rocket Pharmaceuticals to Acquire Renovacor, Extending Leadership in AAV-based Cardiac Gene Therapy ? Acquisition further strengthens Rocket?s leadership in AAV-based cardiac gene therapy and expands Company?s near-term clinical assets for the treatment of heart conditions ? Significant unmet medical need in BAG3-associated dilated cardiomyopathy, with meaningful commercial opportunit

September 20, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): September 19, 2022 Rocket Pharmaceu

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): September 19, 2022 Rocket Pharmaceuticals, Inc.

September 20, 2022 EX-99.1

VOTING AGREEMENT

Exhibit 99.1 Execution Version VOTING AGREEMENT THIS VOTING AGREEMENT (this ?Agreement?) is made and entered into as of September , 2022, by and between Renovacor, Inc., a Delaware corporation (the ?Company?) and the undersigned stockholder (the ?Stockholder?) of Rocket Pharmaceuticals, Inc., a Delaware corporation (?Parent?). WITNESSETH: WHEREAS, contemporaneously with the execution of this Agree

September 20, 2022 EX-99.1

VOTING AGREEMENT

Exhibit 99.1 Execution Version VOTING AGREEMENT THIS VOTING AGREEMENT (this ?Agreement?) is made and entered into as of September , 2022, by and between Renovacor, Inc., a Delaware corporation (the ?Company?) and the undersigned stockholder (the ?Stockholder?) of Rocket Pharmaceuticals, Inc., a Delaware corporation (?Parent?). WITNESSETH: WHEREAS, contemporaneously with the execution of this Agree

September 20, 2022 425

INVESTOR DECK INVESTOR DECK INVESTOR DECK ROCKET PHARMA ACQUISITION OF RENOVACOR September 20, 2022 DISCLAIMER Various statements in this release concerning Rocket's future expectations, plans and prospects, including without limitation, Rocket's exp

425 1 brhc10042075425.htm 425 Filed by Rocket Pharmaceuticals, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Renovacor, Inc. Commission File No.: 001-39271 Date: September 20, 2022 This filing relates to the proposed acquisition of Renovacor, Inc., a Delaware corporation (the “Company”)

September 20, 2022 EX-2.1

AGREEMENT AND PLAN OF MERGER by and among ROCKET PHARMACEUTICALS, INC., ZEBRAFISH MERGER SUB, INC., ZEBRAFISH MERGER SUB II, LLC, RENOVACOR, INC. dated as of September 19, 2022 TABLE OF CONTENTS

Exhibit 2.1 Execution Version AGREEMENT AND PLAN OF MERGER by and among ROCKET PHARMACEUTICALS, INC., ZEBRAFISH MERGER SUB, INC., ZEBRAFISH MERGER SUB II, LLC, and RENOVACOR, INC. dated as of September 19, 2022 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 2 Section 1.01. Certain Definitions 2 Section 1.02. Other Definitional Provisions 21 ARTICLE II THE MERGERS 22 Section 2.01. The Mergers 22 Sect

September 20, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): September 19, 2022 Rocket Pharmaceuticals, Inc.

September 20, 2022 EX-2.1

AGREEMENT AND PLAN OF MERGER by and among ROCKET PHARMACEUTICALS, INC., ZEBRAFISH MERGER SUB, INC., ZEBRAFISH MERGER SUB II, LLC, RENOVACOR, INC. dated as of September 19, 2022 TABLE OF CONTENTS

Exhibit 2.1 Execution Version AGREEMENT AND PLAN OF MERGER by and among ROCKET PHARMACEUTICALS, INC., ZEBRAFISH MERGER SUB, INC., ZEBRAFISH MERGER SUB II, LLC, and RENOVACOR, INC. dated as of September 19, 2022 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 2 Section 1.01. Certain Definitions 2 Section 1.02. Other Definitional Provisions 21 ARTICLE II THE MERGERS 22 Section 2.01. The Mergers 22 Sect

September 20, 2022 EX-99.3

Rocket Pharmaceuticals to Acquire Renovacor, Extending Leadership in AAV-based Cardiac Gene Therapy • Acquisition further strengthens Rocket’s leadership in AAV-based cardiac gene therapy and expands Company’s near-term clinical assets for the treatm

Exhibit 99.3 Rocket Pharmaceuticals to Acquire Renovacor, Extending Leadership in AAV-based Cardiac Gene Therapy ? Acquisition further strengthens Rocket?s leadership in AAV-based cardiac gene therapy and expands Company?s near-term clinical assets for the treatment of heart conditions ? Significant unmet medical need in BAG3-associated dilated cardiomyopathy, with meaningful commercial opportunit

September 9, 2022 EX-99.1

INVESTOR DECK INVESTOR DECK INVESTOR DECK SEEKING GENE THERAPY CURES DISCLAIMER Various statements in this release concerning Rocket's future expectations, plans and prospects, including without limitation, Rocket's expectations regarding its guidanc

INVESTOR DECK INVESTOR DECK INVESTOR DECK SEEKING GENE THERAPY CURES DISCLAIMER Various statements in this release concerning Rocket's future expectations, plans and prospects, including without limitation, Rocket's expectations regarding its guidance for 2022 in light of COVID-19, the safety, effectiveness and timing of product candidates that Rocket may develop, to treat Fanconi Anemia (FA), Leu

September 9, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): September 9, 2022 Rocket Pharmaceuticals, Inc.

August 9, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 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, 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: 001-36829 Rocket Pharmaceutical

August 8, 2022 EX-99.1

Rocket Pharmaceuticals Reports Second Quarter 2022 Financial Results and Highlights Recent Progress

Exhibit 99.1 Rocket Pharmaceuticals Reports Second Quarter 2022 Financial Results and Highlights Recent Progress ? Reported positive safety data at ASGCT from pediatric cohort of Phase 1 Danon Disease study that demonstrated RP-A501 was well-tolerated; efficacy update across pediatric as well as adult cohorts on track for late Q3 2022? ? Announced top-line data at ASGCT from pivotal Phase 2 trial

August 8, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 8, 2022 Rocket Pharmaceuticals, Inc.

June 15, 2022 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 13, 2022 Rocket Pharmaceuticals, Inc.

May 6, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 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 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 number: 001-36829 Rocket Pharmaceutica

April 29, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  )

TABLE OF CONTENTS ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 29, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ?) 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 R

March 11, 2022 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, DC 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) March 7, 2022 Rocket Pharmaceuticals, Inc.

March 1, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 28, 2022 Rocket Pharmaceuticals, Inc.

March 1, 2022 424B5

$200,000,000 Common Stock

TABLE OF CONTENTS Filed Pursuant to Rule 424(b)(5) Registration No. 333-253756 PROSPECTUS SUPPLEMENT (To Prospectus Dated September 10, 2021) ? $200,000,000 Common Stock We have entered into a sales agreement, or the sales agreement, with Cowen and Company, LLC, or Cowen, relating to shares of our common stock offered by this prospectus supplement and the accompanying prospectus. In accordance wit

March 1, 2022 EX-10.1

ROCKET PHARMACEUTICALS, INC. $200,000,000 SHARES COMMON STOCK SALES AGREEMENT

Exhibit 10.1 ROCKET PHARMACEUTICALS, INC. $200,000,000 SHARES COMMON STOCK SALES AGREEMENT February 28, 2022 Cowen and Company, LLC 599 Lexington Avenue New York, NY 10022 Ladies and Gentlemen: Rocket Pharmaceuticals, Inc. (the ?Company?), confirms its agreement (this ?Agreement?) with Cowen and Company, LLC (?Cowen?), as follows: 1. Issuance and Sale of Shares. The Company agrees that, from time

February 28, 2022 EX-21.1

Subsidiaries of Rocket Pharmaceuticals, Inc.

Exhibit 21.1 Subsidiaries of Rocket Pharmaceuticals, Inc. Subsidiary Jurisdiction of Incorporation Rocket Ownership 1. Rocket Pharmaceuticals, Ltd. Cayman Islands 100% 2. Rocket Foundation, Inc. Delaware 100% 3. Spacecraft Seven, LLC Delaware 100%

February 28, 2022 EX-10.26

ROCKET PHARMACEUTICALS, INC. WARRANT TO PURCHASE SHARES

Exhibit 10.26 THIS WARRANT AND THE SHARES ISSUABLE UPON THE EXERCISE HEREOF HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED. THEY MAY NOT BE SOLD, OFFERED FOR SALE, PLEDGED, HYPOTHECATED, OR OTHERWISE TRANSFERRED EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933, AS AMENDED OR AN OPINION OF COUNSEL SATISFACTORY TO THE COMPANY THAT REGISTR

February 28, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 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: 001-36829 Rocket Pharmaceuticals, Inc.

February 28, 2022 EX-10.10

Rocket Pharmaceuticals LTD c/o CO Services Cayman Limited P.O. Box 10008 Willow House Cricket Square Grand Cayman KYI-1001 Cayman Islands

Exhibit 10.10 Rocket Pharmaceuticals LTD c/o CO Services Cayman Limited P.O. Box 10008 Willow House Cricket Square Grand Cayman KYI-1001 Cayman Islands September 29, 2017 Dear Raj Prabhakar: Rocket Pharmaceuticals LTD (the ?Company?) and the Company?s Board of Directors (the ?Board?) are pleased to offer you the following tem1s of employment as Senior Vice-President, Business Operations and Corpor

February 28, 2022 EX-10.27

ROCKET PHARMACEUTICALS, INC. WARRANT TO PURCHASE SHARES

Exhibit 10.27 THIS WARRANT AND THE SHARES ISSUABLE UPON THE EXERCISE HEREOF HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED. THEY MAY NOT BE SOLD, OFFERED FOR SALE, PLEDGED, HYPOTHECATED, OR OTHERWISE TRANSFERRED EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933, AS AMENDED OR AN OPINION OF COUNSEL SATISFACTORY TO THE COMPANY THAT REGISTR

February 28, 2022 EX-10.12

350 Fifth Avenue, Suite 7530

Exhibit 10.12 350 Fifth Avenue, Suite 7530 New York, NY 10118 9 Cedar Brook Drive Cranbury, NJ 08512 Tel: (646) 440-9100 Fax: (646) 224-9585 April 29, 2021 Isabel Carmona Dear Isabel, Rocket Pharmaceuticals, Inc. is pleased to offer you a position as SVP, Chief Human Resources Officer starting on June 28, 2021, reporting to Gaurav Shah, CEO. This is a full-time position located at our Cranbury, NJ

February 24, 2022 EX-99.1

Rocket Pharmaceuticals Reports Fourth Quarter and Full Year 2021 Financial and Operational Results

Exhibit 99.1 Rocket Pharmaceuticals Reports Fourth Quarter and Full Year 2021 Financial and Operational Results ? Positive Phase 1 data from Danon Disease gene therapy trial demonstrated sustained benefit across clinical, functional and biomarker endpoints in all four adult patients with long-term follow up; pediatric cohort data expected Q3 2022 ? ? Reported engraftment in all nine severe LAD-I p

February 24, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 24, 2022 Rocket Pharmaceuticals, Inc.

February 14, 2022 SC 13G/A

RCKT / Rocket Pharmaceuticals Inc / PERCEPTIVE ADVISORS LLC - SC 13G/A Passive Investment

SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* Rocket Pharmaceuticals, Inc. (Name of Issuer) Common Stock, $0.01 par value per share (Title of Class of Securities) 77313F 106 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box

February 14, 2022 EX-99.1

AGREEMENT

EXHIBIT 1 AGREEMENT The persons below hereby agree that the Schedule 13G to which this agreement is attached as an exhibit, as well as all future amendments to such Schedule 13G, shall be filed on behalf of each of them.

February 14, 2022 SC 13G/A

RCKT / Rocket Pharmaceuticals Inc / PRICE T ROWE ASSOCIATES INC /MD/ Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1) ROCKET PHARMACEUTICALS, INC. (Name of Issuer) COMMON STOCK (Title of Class of Securities) 77313F106 (CUSIP NUMBER) December 31, 2021 (Date of Event which Requires Filing of Statement) Check the appropriate box to designate the Rule pursuant to which this

February 14, 2022 SC 13G/A

RCKT / Rocket Pharmaceuticals Inc / TANG CAPITAL PARTNERS LP - AMENDMENT NO. 2 Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

February 10, 2022 SC 13G

RCKT / Rocket Pharmaceuticals Inc / VANGUARD GROUP INC - SCHEDULE 13G Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 Name of issuer: Rocket Pharmaceuticals Inc. Title of Class of Securities: Common Stock CUSIP Number: 77313F106 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 13d-1(

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