SND / Smart Sand, Inc. - Depositi SEC, Relazione annuale, dichiarazione di delega

Smart Sand, Inc.
US ˙ NasdaqGS ˙ US83191H1077

Statistiche di base
LEI 549300JISW1T66DVOK23
CIK 1529628
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 Smart Sand, Inc.
SEC Filings (Chronological Order)
Questa pagina fornisce un elenco completo e cronologico dei depositi SEC, esclusi i documenti di proprietà che forniamo altrove.
August 12, 2025 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

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 001-37936 SMART SAND, INC. (Exac

August 12, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 12, 2025 SMART SAND, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 12, 2025 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File N

August 12, 2025 EX-99.1

SMART SAND, INC. CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

Smart Sand, Inc. Announces Second Quarter 2025 Results •2Q 2025 revenue of $85.8 million •2Q 2025 net income of $21.4 million which includes a $(21.7) million tax benefit •2Q 2025 cash flow used in operations of $(5.1) million •2Q 2025 contribution margin $15.8 million •2Q 2025 Adjusted EBITDA of $7.8 million •2Q 2025 free cash flow of $(7.8) million YARDLEY, Pennsylvania, August 12, 2025 – Smart

August 12, 2025 EX-95.1

Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

July 23, 2025 EX-99.1

SMART SAND, INC. DECLARES SPECIAL DIVIDEND OF $0.10 PER SHARE

SMART SAND, INC. DECLARES SPECIAL DIVIDEND OF $0.10 PER SHARE YARDLEY, Pennsylvania, July 23, 2025 (PR Newswire) - Smart Sand, Inc. (NASDAQ: SND) (“Smart Sand” or the “Company”) announced today that its board of directors has declared a special cash dividend on the Company’s common stock of $0.10 per share, payable on August 14, 2025, to stockholders of record as of the close of business on August

July 23, 2025 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 23, 2025 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Num

June 5, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 3, 2025 SMART SAND, INC. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 3, 2025 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Numb

May 22, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 16, 2025 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Numb

May 22, 2025 EX-10.1

Amendment No. 1 to Credit Agreement and Guarantee and Collateral Agreement, by and among the Company, the subsidiary borrowers and guarantors party thereto, the lenders party thereto, and First-Citizens Bank & Trust Company, as agent for the lenders

Exhibit 10.1 AMENDMENT NO. 1 TO CREDIT AGREEMENT AND GUARANTEE AND COLLATERAL AGREEMENT This AMENDMENT NO. 1 TO CREDIT AGREEMENT AND GUARANTEE AND COLLATERAL AGREEMENT, dated as of May 16, 2025 (this “Amendment”), is entered into by and among SMART SAND, INC., a Delaware corporation (“Parent”), each Subsidiary of Parent party hereto as a “Borrower” (together with Parent, each a “Borrower” and indi

May 13, 2025 EX-99.1

SMART SAND, INC. CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

Smart Sand, Inc. Announces First Quarter 2025 Results •1Q 2025 total tons sold of approximately 1.1 million •1Q 2025 revenue of $65.6 million •1Q 2025 cash flow from operations of $8.7 million YARDLEY, Pennsylvania, May 13, 2025 – Smart Sand, Inc. (NASDAQ: SND) (the “Company” or “Smart Sand”), a fully integrated frac and industrial sand supply and services company, a low-cost producer of high qual

May 13, 2025 EX-95.1

Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

May 13, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 13, 2025 SMART SAND, INC. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 13, 2025 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Numb

May 13, 2025 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

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 001-37936 SMART SAND, INC. (Exa

April 23, 2025 DEF 14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Definitive Proxy Statement o Definitive Additional Materials o Soliciting Material under §240.

April 23, 2025 DEFA14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Definitive Proxy Statement x Definitive Additional Materials o Soliciting Material under §240.

March 18, 2025 EX-99.1

SMART SAND, INC. TO PRESENT AT THE SIDOTI VIRTUAL INVESTOR CONFERENCE ON MARCH 19-20, 2025

SMART SAND, INC. TO PRESENT AT THE SIDOTI VIRTUAL INVESTOR CONFERENCE ON MARCH 19-20, 2025 YARDLEY, Pennsylvania, March 18, 2025 (PRNewswire) - Smart Sand, Inc. (NASDAQ: SND) (“Smart Sand” or the “Company”) announced today that the Company will present and host one-on-one meetings with investors at the Sidoti March Virtual Investor Conference, taking place on March 19-20, 2025. The presentation wi

March 18, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 18, 2025 SMART SAND, INC. (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 18, 2025 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Nu

March 4, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 3, 2025 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Num

March 4, 2025 EX-4.3

Description of the Company’s Capital Stock

Exhibit 4.3 DESCRIPTION OF THE COMPANY’S CAPITAL STOCK REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 The following description of our capital stock registered pursuant to Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), is a summary and does not purport to be complete. It is subject to and qualified in its entirety by reference to the c

March 4, 2025 EX-99.1

SMART SAND, INC. CONSOLIDATED STATEMENTS OF OPERATIONS Three Months Ended December 31, 2024 September 30, 2024 December 31, 2023 (unaudited) (unaudited) (unaudited) (in thousands, except per share amounts) Revenues: Sand revenue $ 90,619 $ 62,232 $ 6

Smart Sand, Inc. Announces Fourth Quarter 2024 and Full Year 2024 Results •4Q 2024 and full year 2024 revenue of $91.4 million and $311.4 million, respectively. •4Q 2024 and full year 2024 total tons sold of approximately 1,464,000 and 5,263,000, respectively. •4Q 2024 and full year 2024 net cash provided by operating activities of $1.0 million and $17.9 million, respectively. •4Q 2024 and full ye

March 4, 2025 EX-21.1

List of subsidiaries of Smart Sand, Inc.

Exhibit 21.1 Smart Sand, Inc. and Subsidiaries List of Subsidiaries as of December 31, 2024 Subsidiaries State of Organization Fairview Cranberry, LLC Wisconsin Will Logistics, LLC Pennsylvania Smart Sand Live Oak LLC Delaware Smart Sand Fayette County LLC Delaware Smart Sand Hixton LLC Delaware Smart Sand Reagan County LLC Delaware Smart Sand Tom Green County LLC Delaware Smart Sand Oakdale LLC D

March 4, 2025 EX-95.1

Mine Safety Disclosure Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

March 4, 2025 EX-19.1

Smart Sand, Inc. Insider Trading Policy

SMART SAND, INC. INSIDER TRADING COMPLIANCE POLICY CONTENTS Page I. SUMMARY ..............................................................................................................................1 II. STATEMENT OF POLICIES PROHIBITING INSIDER TRADING ...................................1 III. EXPLANATION OF INSIDER TRADING......................................................................

March 4, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K __________________________________________________ ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Annual Period Ended De

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Annual Period 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 001-37936 SMART SAND, INC. (Exact

November 12, 2024 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

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 001-37936 SMART SAND, INC.

November 12, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 12, 2024 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File

November 12, 2024 EX-99.1

SMART SAND, INC. CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

Smart Sand, Inc. Announces Third Quarter 2024 Results •3Q 2024 total tons sold of approximately 1.2 million •3Q 2024 revenue of $63.2 million •3Q 2024 net income before income taxes $(5.2) million •3Q 2024 adjusted EBITDA of $5.7 million YARDLEY, Pennsylvania, November 12, 2024 – Smart Sand, Inc. (NASDAQ: SND) (the “Company” or “Smart Sand”), a fully integrated frac and industrial sand supply and

November 12, 2024 EX-95.1

Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

October 3, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 3, 2024 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File N

October 3, 2024 EX-99.

SMART SAND, INC. DECLARES SPECIAL DIVIDEND OF $0.10 PER SHARE AND AUTHORIZES SHARE REPURCHASE PROGRAM

SMART SAND, INC. DECLARES SPECIAL DIVIDEND OF $0.10 PER SHARE AND AUTHORIZES SHARE REPURCHASE PROGRAM YARDLEY, Pennsylvania, October 3, 2024 (PR Newswire) - Smart Sand, Inc. (NASDAQ: SND) (“Smart Sand” or the “Company”) announced today that its board of directors has declared a special cash dividend on the Company’s common stock of $0.10 per share, payable on October 28, 2024, to stockholders of r

September 9, 2024 EX-10.2

Guarantee and Collateral Agreement, dated September 3, 2024, among the Company, the subsidiary borrowers and guarantors party thereto and First-Citizens Bank & Trust Company, as agent

GUARANTEE AND COLLATERAL AGREEMENT dated as of September 3, 2024 among SMART SAND, INC.

September 9, 2024 8-K

Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 3, 2024 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File

September 9, 2024 EX-10.1

ABL Credit Agreement, dated September 3, 2024, among Smart Sand, Inc., the subsidiary borrowers and guarantors party thereto, First-Citizens Bank & Trust Company, as issuing bank, swingline lender and agent, and certain other lenders from time to time party thereto

CREDIT AGREEMENT dated as of September 3, 2024, among SMART SAND, INC., as Parent, a Borrower and Administrative Loan Party THE OTHER BORROWERS PARTY HERETO as Borrowers, THE GUARANTORS PARTY HERETO, as Guarantors, THE LENDERS PARTY HERETO as Lenders and FIRST-CITIZENS BANK & TRUST COMPANY, as Agent FIRST-CITIZENS BANK & TRUST COMPANY, as Sole Lead Arranger and Sole Bookrunner Table of Contents Pa

August 13, 2024 EX-95.1

Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

August 13, 2024 EX-99.1

SMART SAND, INC. CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

Smart Sand, Inc. Announces Second Quarter 2024 Results •2Q 2024 total tons sold of approximately 1.3 million •2Q 2024 revenue of $73.8 million •2Q 2024 net income before income taxes $1.9 million •2Q 2024 adjusted EBITDA of $11.9 million YARDLEY, Pennsylvania, August 13, 2024 – Smart Sand, Inc. (NASDAQ: SND) (the “Company” or “Smart Sand”), a fully integrated frac and industrial sand supply and se

August 13, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 13, 2024 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File N

August 13, 2024 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

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 001-37936 SMART SAND, INC. (Exac

June 7, 2024 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 4, 2024 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Numb

June 3, 2024 CORRESP

Smart Sand, Inc. 1000 Floral Vale Boulevard, Suite 225 Yardley, Pennsylvania 19067

Smart Sand, Inc. 1000 Floral Vale Boulevard, Suite 225 Yardley, Pennsylvania 19067 June 3, 2024 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549-4628 Attn: Claudia Rios Daniel Morris Office of Energy & Transportation Re: Smart Sand, Inc. Registration Statement on Form S-3 File No. 333-276549 Dear Messrs. Rios and Morris: On beha

May 13, 2024 EX-99.1

SMART SAND, INC. CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

Smart Sand, Inc. Announces First Quarter 2024 Results •1Q 2024 total tons sold of approximately 1.3 million •1Q 2024 revenue of $83.1 million •1Q 2024 net loss of $(0.2) million •1Q 2024 adjusted EBITDA of $9.3 million YARDLEY, Pennsylvania, May 13, 2024 – Smart Sand, Inc. (NASDAQ: SND) (the “Company” or “Smart Sand”), a fully integrated frac and industrial sand supply and services company, a low-

May 13, 2024 S-3/A

As filed with the Securities and Exchange Commission on May 13, 2024

TABLE OF CONTENTS As filed with the Securities and Exchange Commission on May 13, 2024 Registration No.

May 13, 2024 CORRESP

* * * * *

May 13, 2024 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

May 13, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 13, 2024 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Numb

May 13, 2024 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

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 001-37936 SMART SAND, INC. (Exa

May 13, 2024 EX-95.1

Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

April 24, 2024 DEFA14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Definitive Proxy Statement x Definitive Additional Materials o Soliciting Material under §240.

April 24, 2024 DEF 14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Definitive Proxy Statement o Definitive Additional Materials o Soliciting Material under §240.

March 11, 2024 EX-10.25

Technical Report Summary, Frac Sand Resources and Reserves Utica Mine, Lasalle County, Illinois

TECHNICAL REPORT SUMMARY FRAC SAND RESOURCES AND RESERVES UTICA MINE LaSalle County, Illinois Prepared For SMART SAND, INC.

March 11, 2024 EX-21.1

List of subsidiaries of Smart Sand, Inc.

Exhibit 21.1 Smart Sand, Inc. and Subsidiaries List of Subsidiaries as of December 31, 2023 Subsidiaries State of Organization Fairview Cranberry, LLC Wisconsin Will Logistics, LLC Pennsylvania Smart Sand Live Oak LLC Delaware Smart Sand Fayette County LLC Delaware Smart Sand Hixton LLC Delaware Smart Sand Reagan County LLC Delaware Smart Sand Tom Green County LLC Delaware Smart Sand Oakdale LLC D

March 11, 2024 EX-95.1

Mine Safety Disclosure Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

March 11, 2024 EX-97.1

Policy for Recovery of Erroneously Awarded Compensation

SMART SAND, INC. POLICY FOR RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION Smart Sand, Inc. (the “Company”) has adopted this Policy for Recovery of Erroneously Awarded Compensation (the “Policy”), effective as of October 2, 2023 (the “Effective Date”). Capitalized terms used in this Policy but not otherwise defined herein are defined in Section 11. 1.Persons Subject to Policy This Policy shall apply

March 11, 2024 EX-99.1

SMART SAND, INC. CONSOLIDATED STATEMENTS OF OPERATIONS Three Months Ended December 31, 2023 September 30, 2023 December 31, 2022 (unaudited) (unaudited) (unaudited) (in thousands, except per share amounts) Revenues: Sand sales revenue $ 60,147 $ 72,4

Smart Sand, Inc. Announces Fourth Quarter 2023 and Full Year 2023 Results •4Q 2023 and full year 2023 revenue of $61.9 million and $296.0 million, respectively. •4Q 2023 and full year 2023 total tons sold of approximately 1,016,000 and 4,514,000, respectively. •4Q 2023 and full year 2023 net cash (used) provided by operating activities of $(2.7) million and $31.0 million, respectively. •4Q 2023 an

March 11, 2024 EX-4.3

Description of the Company’s Capital Stock

Exhibit 4.3 DESCRIPTION OF THE COMPANY’S CAPITAL STOCK REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 The following description of our capital stock registered pursuant to Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), is a summary and does not purport to be complete. It is subject to and qualified in its entirety by reference to the c

March 11, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K __________________________________________________ ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Annual Period Ended De

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Annual Period 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 001-37936 SMART SAND, INC. (Exact

March 11, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 11, 2024 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Nu

March 11, 2024 EX-10.24

Technical Report Summary, Frac Sand Resources and Reserves Oakdale Mine, Monroe County, Wisconsin

TECHNICAL REPORT SUMMARY FRAC SAND RESOURCES AND RESERVES OAKDALE MINE Monroe County, Wisconsin Prepared For SMART SAND, INC.

February 23, 2024 CORRESP

* * * * *

February 23, 2024 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

February 8, 2024 CORRESP

* * * * *

February 8, 2024 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

February 6, 2024 SC 13G/A

SND / Smart Sand, Inc. / YOUNG CHARLES EDWIN - SC 13G/A Passive Investment

SC 13G/A 1 a2024sc13gacharlesyoung.htm 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. 7) SMART SAND, INC. (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 83191H107 (CUSIP Number) December 31, 2023 (Date of Event which Requires filing of this Statement)

January 17, 2024 S-3

As filed with the Securities and Exchange Commission on January 17, 2024

TABLE OF CONTENTS As filed with the Securities and Exchange Commission on January 17, 2024 Registration No.

January 17, 2024 EX-4.5

Form of Indenture.

Exhibit 4.5 SMART SAND, INC. INDENTURE Dated as of , 20 Trustee TABLE OF CONTENTS Page ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE Section 1.1. Definitions. Section 1.2. Other Definitions. 4 Section 1.3. Incorporation by Reference of Trust Indenture Act. 5 Section 1.4. Rules of Construction. 5 ARTICLE II. THE SECURITIES Section 2.1. Issuable in Series. 5 Section 2.2. Establishment of Ter

January 17, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Table Form S-3 (Form Type) Smart Sand, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered (3) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Car

January 12, 2024 CORRESP

* * * * *

January 12, 2024 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

January 4, 2024 8-K

3UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 2, 2024 SMART SAND, INC.

3UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 2, 2024 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File

December 27, 2023 8-K

3UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 21, 2023 SMART SAND, IN

3UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 21, 2023 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission Fil

December 14, 2023 CORRESP

Smart Sand, Inc. 28420 Hardy Toll Road, Suite 130 Spring, Texas 77373

Smart Sand, Inc. 28420 Hardy Toll Road, Suite 130 Spring, Texas 77373 December 14, 2023 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549-4628 Attn: Craig Arakawa, Accounting Branch Chief George K. Schuler, Mining Engineer Office of Energy & Transportation Re: Smart Sand, Inc. Form 10-K for the Fiscal Year Ended December 31, 2022

November 7, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

3UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 7, 2023 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File

November 7, 2023 EX-95.1

Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

November 7, 2023 EX-99.1

SMART SAND, INC. CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

Smart Sand, Inc. Announces Third Quarter 2023 Results •3Q 2023 total tons sold of approximately 1.2 million •3Q 2023 revenue of $76.9 million •3Q 2023 net income of $6.7 million •3Q 2023 adjusted EBITDA of $13.3 million •3Q 2023 net cash provided by operating activities of $12.5 million •3Q 2023 free cash flow of $5.6 million SPRING, Texas, November 7, 2023 – Smart Sand, Inc. (NASDAQ: SND) (the “C

November 7, 2023 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

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 001-37936 SMART SAND, INC.

August 14, 2023 EX-99.1

Investor Presentation – August 2023 Disclaimer Forward-Looking Statements This presentation contains forward-looking statements within the meaning of the federal securities laws. Statements that are predictive in nature, that depend upon or refer to

Investor Presentation – August 2023 Disclaimer Forward-Looking Statements This presentation contains forward-looking statements within the meaning of the federal securities laws.

August 14, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 14, 2023 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File N

August 8, 2023 EX-99.1

SMART SAND, INC. CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

Smart Sand, Inc. Announces Second Quarter 2023 Results •2Q 2023 total tons sold of approximately 1.1 million •2Q 2023 revenue of $74.8 million •2Q 2023 net income of $6.3 million •2Q 2023 adjusted EBITDA of $11.4 million •2Q 2023 net cash provided by operating activities of $16.1 million •2Q 2023 free cash flow of $10.8 million SPRING, Texas, August 8, 2023 – Smart Sand, Inc. (NASDAQ: SND) (the “C

August 8, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 8, 2023 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Nu

August 8, 2023 EX-95.1

Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

August 8, 2023 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

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 001-37936 SMART SAND, INC. (Exac

June 8, 2023 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 6, 2023 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Numb

May 10, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): 05/10/2023 SMART SAND, INC. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): 05/10/2023 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Number

May 10, 2023 EX-99.1

Investor Presentation – May 2023 Disclaimer Forward-Looking Statements This presentation contains forward-looking statements within the meaning of the federal securities laws. Statements that are predictive in nature, that depend upon or refer to fut

invpres-may2023 Investor Presentation – May 2023 Disclaimer Forward-Looking Statements This presentation contains forward-looking statements within the meaning of the federal securities laws.

May 9, 2023 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

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 001-37936 SMART SAND, INC. (Exa

May 9, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 9, 2023 SMART SAND, INC. (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 9, 2023 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Numbe

May 9, 2023 EX-99.1

SMART SAND, INC. CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

Smart Sand, Inc. Announces First Quarter 2023 Results •1Q 2023 total tons sold of approximately 1.2 million •1Q 2023 revenue of $82.4 million •1Q 2023 net loss of $(3.6) million •1Q 2023 Adjusted EBITDA of $8.4 million •1Q 2023 net cash provided by operating activities of $5.1 million •1Q 2023 free cash flow of $1.1 million SPRING, Texas, May 9, 2023 – Smart Sand, Inc. (NASDAQ: SND) (the “Company”

May 9, 2023 EX-95.1

Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

April 27, 2023 DEFA14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Definitive Proxy Statement x Definitive Additional Materials o Soliciting Material under §240.

April 26, 2023 DEF 14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Definitive Proxy Statement o Definitive Additional Materials o Soliciting Material under §240.

March 31, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 30, 2023 SMART SAND, INC. (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 30, 2023 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Nu

March 31, 2023 EX-10.1

Second Amendment to Master Product Purchase Agreement, executed on March 30, 2023, by and between Smart Sand, Inc. and EQT Production Company

Exhibit 10.1 SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE SUCH TERMS ARE NOT MATERIAL AND WOULD BE COMPETITIVELY HARMFUL IF PUBLICLY DISCLOSED. SUCH TERMS HAVE BEEN MARKED AT THE APPROPRIATE PLACE WITH THREE ASTERISKS (***) SECOND AMENDMENT TO MASTER PRODUCT PURCHASE AGREEMENT This Second Amendment to Master Product Purchase Agreement (the “Amendment”) is entered into on March 27, 202

March 15, 2023 SC 13G/A

SND / Smart Sand Inc / CLEARLAKE CAPITAL GROUP, L.P. - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 5)* Smart Sand, Inc. (Name of Issuer) Common Stock, par value $0.001 per share (Title of Class of Securities) 83191H107 (CUSIP Number) March 14, 2023** (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pu

February 28, 2023 S-8

As filed with the Securities and Exchange Commission on February 28, 2023

As filed with the Securities and Exchange Commission on February 28, 2023 Registration No.

February 28, 2023 EX-4.3

Description of the Company’s Capital Stock

Exhibit 4.3 DESCRIPTION OF THE COMPANY’S CAPITAL STOCK REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 The following description of our capital stock registered pursuant to Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), is a summary and does not purport to be complete. It is subject to and qualified in its entirety by reference to the c

February 28, 2023 EX-10.1

First Amendment to Master Product Purchase Agreement, entered into on February 24, 2023, by and between Smart Sand, Inc. and EQT Production Company

Exhibit 10.1 SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE SUCH TERMS ARE NOT MATERIAL AND WOULD BE COMPETITIVELY HARMFUL IF PUBLICLY DISCLOSED. SUCH TERMS HAVE BEEN MARKED AT THE APPROPRIATE PLACE WITH THREE ASTERISKS (***) FIRST AMENDMENT TO MASTER PRODUCT PURCHASE AGREEMENT This First Amendment to Master Product Purchase Agreement (the “Amendment”) is entered into on February 21, 20

February 28, 2023 EX-95.1

Mine Safety Disclosure Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

February 28, 2023 EX-21.1

List of subsidiaries of Smart Sand, Inc.

Exhibit 21.1 Smart Sand, Inc. and Subsidiaries List of Subsidiaries as of December 31, 2022 Subsidiaries State of Organization Fairview Cranberry, LLC Wisconsin Will Logistics, LLC Pennsylvania Smart Sand Live Oak LLC Delaware Smart Sand Fayette County LLC Delaware Smart Sand Hixton LLC Delaware Smart Sand Reagan County LLC Delaware Smart Sand Tom Green County LLC Delaware Smart Sand Oakdale LLC D

February 28, 2023 EX-99.1

SMART SAND, INC. ANNOUNCES REPURCHASE OF ALL COMMON STOCK OWNED BY CLEARLAKE CAPITAL

SMART SAND, INC. ANNOUNCES REPURCHASE OF ALL COMMON STOCK OWNED BY CLEARLAKE CAPITAL SPRING, Texas, February 28, 2023 (GLOBE NEWSWIRE) - Smart Sand, Inc. (NASDAQ: SND) (the “Company”) announced today that it has repurchased 5.18 million shares of the Company’s common stock (the “Shares”) from Clearlake Capital Partners II (Master), L.P., an affiliate of Clearlake Capital Group (“Clearlake”), for a

February 28, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K __________________________________________________ ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Annual Period Ended De

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Annual Period 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 001-37936 SMART SAND, INC. (Exact

February 28, 2023 EX-10.28

Technical Report Summary, Frac Sand Resources and Reserves Blair Mine, Trempealeau County, Wisconsin

a202210-kex1028 TECHNICAL REPORT SUMMARY FRAC SAND RESOURCES AND RESERVES Reserve Property: BLAIR MINE TREMEALEAU AND JACKSON COUNTIES, WISCONSIN Prepared For SMART SAND, INC.

February 28, 2023 EX-99.1

SMART SAND, INC. CONSOLIDATED STATEMENTS OF OPERATIONS Three Months Ended December 31, 2022 September 30, 2022 December 31, 2021 (unaudited) (unaudited) (unaudited) (in thousands, except per share amounts) Revenues: Sand sales revenue $ 71,099 $ 66,6

Smart Sand, Inc. Announces Fourth Quarter 2022 and Full Year 2022 Results •4Q 2022 and full year 2022 revenue of $73.8 million and $255.7 million, respectively. •4Q 2022 and full year 2022 total tons sold of approximately 1,175,000 and 4,333,000, respectively. •4Q 2022 and full year 2022 net cash provided by operating activities of $5.6 million and $5.4 million, respectively. •4Q 2022 and full yea

February 28, 2023 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Table Form S-8 (Form Type) Smart Sand, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Share Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Common Stock, par value $0.001 per

February 28, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 28, 2023 SMART SAND, INC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 28, 2023 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File

February 28, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 22, 2023 SMART SAND, INC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 22, 2023 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File

February 14, 2023 SC 13G/A

SND / Smart Sand Inc / CLEARLAKE CAPITAL GROUP, L.P. - SC 13G/A Passive Investment

SC 13G/A 1 brhc10047978sc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 4)* Smart Sand, Inc. (Name of Issuer) Common Stock, par value $0.001 per share (Title of Class of Securities) 83191H107 (CUSIP Number) December 31, 2022 (Date of Event which Requires Filing of this Statement) Check

February 8, 2023 SC 13G/A

SND / Smart Sand Inc / YOUNG CHARLES EDWIN - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 6) SMART SAND, INC. (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 83191H107 (CUSIP Number) December 31, 2022 (Date of Event which Requires filing of this Statement) Check the appropriate box to designate the rule

November 8, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 8, 2022 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File

November 8, 2022 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

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 001-37936 SMART SAND, INC.

November 8, 2022 EX-95.1

Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the ?Act?) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

November 8, 2022 EX-10.1

Third Amendment to ABL Credit Agreement, dated July 22, 2022, by and between Smart Sand, Inc. and Jefferies Finance LLC (incorporated by reference to Exhibit 10.1 to Smart Sand, Inc.’s Quarterly Report on Form 10-Q filed with the SEC on November 8, 2022)

Exhibit 10.1 [Execution] THIRD AMENDMENT TO ABL CREDIT AGREEMENT This THIRD AMENDMENT TO ABL CREDIT AGREEMENT, dated as of July 22, 2022 (this ?Amendment?), is entered into by and among SMART SAND, INC., a Delaware corporation (?Parent?), the other Borrowers party hereto, each Guarantor party hereto, the Lenders party hereto, and JEFFERIES FINANCE LLC, as agent (in such capacity, including any suc

November 8, 2022 EX-99.1

SMART SAND, INC. CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

Smart Sand, Inc. Announces Third Quarter 2022 Results ?3Q 2022 revenue of $71.6 million ?3Q 2022 total tons sold of approximately 1.1 million ?3Q 2022 net income of $2.7 million ?3Q 2022 Adjusted EBITDA of $11.3 million THE WOODLANDS, Texas, November 8, 2022 ? Smart Sand, Inc. (NASDAQ: SND) (the ?Company? or ?Smart Sand?), a fully integrated frac and industrial sand supply and services company, a

August 25, 2022 8-K/A

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 7, 2022 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (

August 9, 2022 EX-99.1

SMART SAND, INC. CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

Smart Sand, Inc. Announces Second Quarter 2022 Results ?2Q 2022 revenue of $68.7 million ?2Q 2022 total tons sold of approximately 1.2 million ?2Q 2022 Net loss of approximately $(0.1) million ?2Q 2022 Adjusted EBITDA of $9.2 million THE WOODLANDS, Texas, August 9, 2022 ? Smart Sand, Inc. (NASDAQ: SND) (the ?Company? or ?Smart Sand?), a fully integrated frac and industrial sand supply and services

August 9, 2022 EX-95.1

Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the ?Act?) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

August 9, 2022 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

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 001-37936 SMART SAND, INC. (Exac

August 9, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 9, 2022 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Nu

August 9, 2022 EX-10.1

Amendment No. 1 to the Smart Sand, Inc. Amended and Restated 2016 Omnibus Incentive Plan (incorporated by reference to Exhibit 10.1 Smart Sand Inc.’s Quarterly Report on Form 10-Q filed with the SEC on August 9, 2022)

AMENDMENT NO. 1 TO SMART SAND, INC. AMENDED AND RESTATED 2016 OMNIBUS INCENTIVE PLAN This Amendment No. 1 (the ?Amendment?) to the Smart Sand, Inc. Amended and Restated 2016 Omnibus Incentive Plan (the ?Plan?) is effective as of June 7, 2022, the date it was approved by the Company?s stockholders. Capitalized terms used but not defined herein have the same meanings as in the Plan. WHEREAS, the Com

June 8, 2022 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 7, 2022 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Numb

May 11, 2022 EX-99.1

SMART SAND, INC. CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

Smart Sand, Inc. Announces First Quarter 2022 Results ?1Q 2022 revenue of $41.6 million ?1Q 2022 total tons sold of approximately 852,000 ?2Q 2022 total tons sold expected to be up at least 25% over Q1 2022 results THE WOODLANDS, Texas, May 11, 2022 ? Smart Sand, Inc. (NASDAQ: SND) (the ?Company? or ?Smart Sand?), a fully integrated sand supply and services company, a low-cost producer of high qua

May 11, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 11, 2022 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Numb

May 11, 2022 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

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 001-37936 SMART SAND, INC. (Exa

May 11, 2022 EX-95.1

Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the ?Act?) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

April 27, 2022 DEF 14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ? Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Definitive Proxy Statement o Definitive Additional Materials o Soliciting Material under ?240.

April 27, 2022 DEFA14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEFA14A 1 snddefa14ax2022.htm DEFA14A SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Definitive Proxy Statement x Definitive Addi

March 9, 2022 EX-99.1

SMART SAND, INC. CONSOLIDATED STATEMENTS OF OPERATIONS Three Months Ended December 31, 2021 September 30, 2021 December 31, 2020 (unaudited) (unaudited) (unaudited) (in thousands, except per share amounts) Revenues: Sand sales revenue $ 34,111 $ 31,3

Smart Sand, Inc. Announces Fourth Quarter and Full Year 2021 Results and the Acquisition of the Hi-Crush Blair, Wisconsin Facility ?4Q and full year 2021 revenue of $35.1 million and $126.6 million, respectively. ?4Q and full year 2021 total tons sold of approximately 872,000 and 3,189,000, respectively. ?4Q and full year 2021 net cash (used) provided by operating activities of $(5.1) million and

March 9, 2022 8-K/A

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 8, 2022 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation)

March 8, 2022 EX-10.24

Technical Report Summary, Frac Sand Resources and Reserves Utica Mine, Lasalle County, Illinois

TECHNICAL REPORT SUMMARY FRAC SAND RESOURCES AND RESERVES UTICA MINE LaSalle County, Illinois Prepared For SMART SAND, INC.

March 8, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K __________________________________________________ ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Annual Period Ended De

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Annual Period 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 001-37936 SMART SAND, INC. (Exact

March 8, 2022 EX-21.1

List of subsidiaries of Smart Sand, Inc.

Exhibit 21.1 Smart Sand, Inc. and Subsidiaries List of Subsidiaries as of December 31, 2021 Subsidiaries State of Organization Fairview Cranberry, LLC Wisconsin Will Logistics, LLC Pennsylvania Smart Sand Live Oak LLC Delaware Smart Sand Fayette County LLC Delaware Smart Sand Hixton LLC Delaware Smart Sand Reagan County LLC Delaware Smart Sand Tom Green County LLC Delaware Smart Sand Oakdale LLC D

March 8, 2022 EX-4.3

Description of the Company’s Capital Stock

Exhibit 4.3 DESCRIPTION OF THE COMPANY?S CAPITAL STOCK REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 The following description of our capital stock registered pursuant to Section 12 of the Securities Exchange Act of 1934, as amended (the ?Exchange Act?), is a summary and does not purport to be complete. It is subject to and qualified in its entirety by reference to the c

March 8, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 8, 2022 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Num

March 8, 2022 EX-10.25

Smart Sand Resource Properties New Auburn Proppant Sand Property and Hixton Greenfield Property

SMART SAND RESOURCE PROPERTIES NEW AUBURN PROPPANT SAND PROPERTY AND HIXTON GREENFIELD PROPERTY Jackson and Barron Counties, Wisconsin Prepared For SMART SAND, INC.

March 8, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 4, 2022 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Num

March 8, 2022 EX-2.1

Membership Interest Purchase Agreement by and among HI-CRUSH INC., HI-CRUSH BLAIR LLC, and Smart Sand, Inc. Dated as of March 4, 2022 (incorporated by reference to Exhibit 2.1 to Smart Sand, Inc.’s Current Report on Form 8-K filed with the SEC on March 8, 2022)

MEMBERSHIP INTEREST PURCHASE AGREEMENT by and among HI-CRUSH INC., HI-CRUSH BLAIR LLC, and Smart Sand, Inc. Dated as of March 4, 2022 TABLE OF CONTENTS Page Article I PURCHASE AND SALE OF THE UNITS 1 1.01 Purchase and Sale of the Units 1 1.02 Purchase Price 1 1.03 The Closing 3 Article II DELIVERIES AT CLOSING 3 2.01 Intentionally Omitted 3 2.02 Seller?s Closing Deliveries 3 2.03 Buyer?s Closing D

March 8, 2022 EX-95.1

Mine Safety Disclosure Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the ?Act?) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

March 8, 2022 EX-99.1

SMART SAND, INC. CONSOLIDATED STATEMENTS OF OPERATIONS Three Months Ended December 31, 2021 September 30, 2021 December 31, 2020 (unaudited) (unaudited) (unaudited) (in thousands, except per share amounts) Revenues: Sand sales revenue $ 34,111 $ 31,3

Smart Sand, Inc. Announces Fourth Quarter and Full Year 2021 Results and the Acquisition of the Hi-Crush Blair, Wisconsin Facility ?4Q and full year 2021 revenue of $35.1 million and $126.6 million, respectively. ?4Q and full year 2021 total tons sold of approximately 872,000 and 3,189,000, respectively. ?4Q and full year 2021 net cash (used) provided by operating activities of $(5.1) million and

March 8, 2022 EX-10.23

Technical Report Summary, Frac Sand Resources and Reserves Oakdale Mine, Monroe County, Wisconsin

TECHNICAL REPORT SUMMARY FRAC SAND RESOURCES AND RESERVES OAKDALE MINE Monroe County, Wisconsin Prepared For SMART SAND, INC.

February 14, 2022 SC 13G/A

SND / Smart Sand Inc / CLEARLAKE CAPITAL GROUP, L.P. Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* Smart Sand, Inc. (Name of Issuer) Common Stock, par value $0.001 per share (Title of Class of Securities) 83191H107 (CUSIP Number) December 31, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule p

February 14, 2022 SC 13G/A

SND / Smart Sand Inc / YOUNG CHARLES EDWIN - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 5) SMART SAND, INC. (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 83191H107 (CUSIP Number) December 31, 2021 (Date of Event which Requires filing of this Statement) Check the appropriate box to designate the rule

November 29, 2021 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 22, 2021 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File

November 9, 2021 EX-95.1

Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the ?Act?) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

November 9, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q _____________________________________________________ ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended September 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to Commission file number 001-37936 SMART SAND, INC.

November 9, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 9, 2021 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File

November 9, 2021 424B5

Shares of Common Stock Having an Aggregate Offering Price of Up to $25,000,000 10,920,445 Shares of Common Stock offered by the Selling Stockholder

Filed Pursuant to Rule 424(b)(5) Registration No. 333-251915 PROSPECTUS SUPPLEMENT (To Prospectus dated January 6, 2021) Shares of Common Stock Having an Aggregate Offering Price of Up to $25,000,000 10,920,445 Shares of Common Stock offered by the Selling Stockholder We and Clearlake Capital Partners II (Master), L.P. (the ?Selling Stockholder?) have entered into an open market sale agreement (th

November 9, 2021 EX-10.1

, 2021, by and among Smart Sand, Inc., Clearlake Capital Partners II (Master), L.P. and Jefferies LLC

OPEN MARKET SALE AGREEMENTSM November 9, 2021 JEFFERIES LLC, as Agent and Forward Purchaser 520 Madison Avenue New York, New York 10022 LADENBURG THALMANN & CO.

November 9, 2021 EX-99.1

SMART SAND, INC. CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

Smart Sand, Inc. Announces Third Quarter 2021 Results ?3Q 2021 revenue of $34.5 million ?3Q 2021 total tons sold of approximately 790,000 ?3Q 2021 net cash provided by operating activities of $1.1 million ?3Q 2021 free cash flow of $(0.9) million THE WOODLANDS, Texas, November 9, 2021 ? Smart Sand, Inc. (NASDAQ: SND) (the ?Company? or ?Smart Sand?), a fully integrated frac sand supply and services

August 4, 2021 EX-95.1

Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the ?Act?) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

August 4, 2021 EX-99.1

SMART SAND, INC. CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

Smart Sand, Inc. Announces Second Quarter 2021 Results ?2Q 2021 revenue of $29.6 million ?2Q 2021 total tons sold of approximately 767,000 ?2Q 2021 net cash provided by operating activities of $32.6 million ?2Q 2021 free cash flow of $29.7 million THE WOODLANDS, Texas, August 4, 2021 ? Smart Sand, Inc. (NASDAQ: SND) (the ?Company? or ?Smart Sand?), a fully integrated frac sand supply and services

August 4, 2021 EX-10.1

Master Product Purchase Agreement, dated effective August 1, 2021, by and between Smart Sand, Inc. and EQT Production Company

Exhibit 10.1 SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE SUCH TERMS ARE NOT MATERIAL AND WOULD BE COMPETITIVELY HARMFUL IF PUBLICLY DISCLOSED. SUCH TERMS HAVE BEEN MARKED AT THE APPROPRIATE PLACE WITH THREE ASTERISKS (***) MASTER PRODUCT PURCHASE AGREEMENT This Master Product Purchase Agreement (this ?Agreement?) is made and entered into this 2nd day of August, 2021 (the ?Execution D

August 4, 2021 8-K

Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 2, 2021 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Nu

August 4, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q _____________________________________________________ ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended June 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to Commission file number 001-37936 SMART SAND, INC. (Exac

June 29, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 28, 2021 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Num

June 29, 2021 EX-10.1

Settlement Agreement and Release, dated June 28, 2021, by and among Smart Sand, Inc., U.S. Well Services, LLC and U.S. Well Services, Inc.

Exhibit 10.1 SETTLEMENT AGREEMENT AND RELEASE by and among SMART SAND, INC. U.S. WELL SERVICES, LLC and U.S. WELL SERVICES, INC. dated June 28, 2021 Table of Contents ARTICLE 1......... CERTAIN DEFINITIONS............................................................................... 2 ARTICLE 2......... SETTLEMENT AND RELEASE.................................................................... 4 A

June 11, 2021 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 8, 2021 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Numb

June 4, 2021 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 1, 2021 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Numb

May 4, 2021 EX-95.1

Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the ?Act?) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

May 4, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2021 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Numbe

May 4, 2021 EX-99.1

SMART SAND, INC. CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

Smart Sand, Inc. Announces First Quarter 2021 Results ?1Q 2021 revenue of $27.5 million ?1Q 2021 total tons sold of approximately 760,000, a 24% sequential increase ?1Q 2021 net cash provided by operating activities of $3.9 million ?1Q 2021 free cash flow of $1.7 million THE WOODLANDS, Texas, May 4, 2021 ? Smart Sand, Inc. (NASDAQ: SND) (the ?Company? or ?Smart Sand?), a fully integrated frac sand

May 4, 2021 10-Q

Quarterly Report - 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, 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 001-37936 SMART SAND, INC. (Exa

April 23, 2021 DEF 14A

- DEF 14A

SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ? Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Definitive Proxy Statement o Definitive Additional Materials o Soliciting Material Pursuant to ?240.

April 23, 2021 DEFA14A

- DEFA14A

SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Definitive Proxy Statement x Definitive Additional Materials o Soliciting Material Pursuant to ?240.

March 4, 2021 8-K/A

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A 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 2, 2021 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File N

March 4, 2021 EX-99.1

SMART SAND, INC. CONSOLIDATED INCOME STATEMENTS

Smart Sand, Inc. Announces Fourth Quarter and Full Year 2020 Results •4Q and full year 2020 revenue of $25.3 million and $122.3 million, respectively. •4Q and full year 2020 total tons sold of approximately 612,000 and 1,886,000, respectively. •4Q and full year 2020 net cash provided by operating activities of $3.3 million and $25.5 million, respectively. •4Q and full year 2020 free cash flow of $

March 3, 2021 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Annual Period Ended December 31, 2020 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 001-37936 SMART SAND, INC. (Exact

March 3, 2021 EX-10.32

Letter Agreement to Master Product Purchase Agreement dated effective as of December 1, 2020, between Liberty Oilfield Services, LLC and Smart Sand, Inc.

Exhibit 10.32 SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE SUCH TERMS ARE NOT MATERIAL AND WOULD BE COMPETITIVELY HARMFUL IF PUBLICLY DISCLOSED. SUCH TERMS HAVE BEEN MARKED AT THE APPROPRIATE PLACE WITH THREE ASTERISKS (***) December 30, 2020 Liberty Oilfield Services, LLC 950 17th Street, Suite 2000 Denver, Colorado 80202 Re: Master Product Purchase Agreement and Ancillary Agreements

March 3, 2021 EX-21.1

List of subsidiaries of Smart Sand, Inc.

Exhibit 21.1 Smart Sand, Inc. and Subsidiaries List of Subsidiaries as of December 31, 2020 Subsidiaries State of Organization Fairview Cranberry, LLC Wisconsin Will Logistics, LLC Pennsylvania Smart Sand Live Oak LLC Delaware Smart Sand Fayette County LLC Delaware Smart Sand Hixton LLC Delaware Smart Sand Reagan County LLC Delaware Smart Sand Tom Green County LLC Delaware Smart Sand Oakdale LLC D

March 3, 2021 EX-95.1

Mine Safety Disclosure Mine Safety Disclosure Exhibit

EX-95.1 11 a202010kex951.htm EX-95.1 Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate

March 3, 2021 EX-4.3

Description of the Company's Capital Stock

Exhibit 4.3 DESCRIPTION OF THE COMPANY?S CAPITAL STOCK REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 The following description of our capital stock registered pursuant to Section 12 of the Securities Exchange Act of 1934, as amended (the ?Exchange Act?), is a summary and does not purport to be complete. It is subject to and qualified in its entirety by reference to the c

March 2, 2021 EX-99.1

SMART SAND, INC. CONSOLIDATED INCOME STATEMENTS

Smart Sand, Inc. Announces Fourth Quarter and Full Year 2020 Results •4Q and full year 2020 revenue of $25.3 million and $122.3 million, respectively. •4Q and full year 2020 total tons sold of approximately 612,000 and 1,886,000, respectively. •4Q and full year 2020 net cash provided by operating activities of $3.3 million and $25.5 million, respectively. •4Q and full year 2020 free cash flow of $

March 2, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 2, 2021 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Num

February 11, 2021 SC 13G/A

CUSIP NO. 83191H107 13G Page 1 of 7

smar20a4.htm - Generated by SEC Publisher for SEC Filing CUSIP NO. 83191H107 13G Page 1 of 7 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 4)* SMART SAND, INC. (Name of Issuer) Common Stock, par value $0.001 per share (Title of Class of Securities) 83191H107 (CUSIP Number) December 31, 2020 (Date of Eve

February 10, 2021 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 9, 2021 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File

February 8, 2021 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. 4) SMART SAND, INC. (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securitie

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 4) SMART SAND, INC. (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 83191H107 (CUSIP Number) December 31, 2020 (Date of Event which Requires filing of this Statement) Check the appropriate box to designate the rule

February 8, 2021 EX-99.1

JOINT FILING AGREEMENT

Exhibit 1 JOINT FILING AGREEMENT In accordance with the requirements of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, and subject to the limitations set forth therein, the parties set forth below agree to jointly file the Schedule 13G to which this joint filing agreement is attached, and have duly executed this joint filing agreement as of the date set forth below.

February 8, 2021 EX-99.2

POWER OF ATTORNEY

Exhibit 2 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints John Cannon as the undersigned’s true and lawful attorney-in-fact to: (i) execute for and on behalf of the undersigned, in the undersigned’s capacity as a beneficial owner of shares of common stock of Smart Sand, Inc.

February 8, 2021 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. 2)* Smart Sand, Inc. (Name of Issuer) Common Stock, $0.001 par value (Title of Class of Securities) (CUSIP

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 2)* Smart Sand, Inc. (Name of Issuer) Common Stock, $0.001 par value (Title of Class of Securities) 83191H107 (CUSIP Number) December 31, 2020 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant

January 15, 2021 CORRESP

-

Smart Sand, Inc. 1725 Hughes Landing Blvd, Suite 800 The Woodlands, Texas 77380 January 15, 2021 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549-4628 Attn: Anuja A. Majmudar, Attorney-Advisor Office of Energy & Transportation Re: Smart Sand, Inc. Registration Statement on Form S-3 File No. 333-251915 Ladies and Gentlemen: On Ja

January 15, 2021 CORRESP

-

Smart Sand, Inc. 1725 Hughes Landing Blvd, Suite 800 The Woodlands, Texas 77380 January 15, 2021 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549-4628 Attn: Anuja A. Majmudar, Attorney-Advisor Office of Energy & Transportation Re: Smart Sand, Inc. Registration Statement on Form S-3 File No. 333-251915 Dear Ms. Majmudar: On behal

January 14, 2021 CORRESP

-

Smart Sand, Inc. 1725 Hughes Landing Blvd, Suite 800 The Woodlands, Texas 77380 January 14, 2021 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549-4628 Attn: Anuja A. Majmudar, Attorney-Advisor Office of Energy & Transportation Re: Smart Sand, Inc. Registration Statement on Form S-3 File No. 333-251915 Dear Ms. Majmudar: On behal

January 6, 2021 EX-4.5

Form of Indenture.

Exhibit 4.5 SMART SAND, INC. INDENTURE Dated as of , 20 Trustee TABLE OF CONTENTS Page ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE Section 1.1. Definitions. Section 1.2. Other Definitions. 4 Section 1.3. Incorporation by Reference of Trust Indenture Act. 5 Section 1.4. Rules of Construction. 5 ARTICLE II. THE SECURITIES Section 2.1. Issuable in Series. 5 Section 2.2. Establishment of Ter

January 6, 2021 S-3

- S-3

TABLE OF CONTENTS As filed with the Securities and Exchange Commission on January 6, 2021 Registration No.

November 9, 2020 EX-99.1

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

Smart Sand, Inc. Announces Third Quarter 2020 Results ?3Q 2020 Revenue of $23.4 million ?3Q 2020 total tons sold of approximately 309,000 ?3Q 2020 Net Income of $36.3 million ?3Q 2020 Adjusted EBITDA of $6.1 million ?3Q 2020 Contribution Margin of $10.4 million THE WOODLANDS, Texas, November 9, 2020 ? Smart Sand, Inc. (NASDAQ: SND) (the ?Company? or ?Smart Sand?), a fully integrated frac sand supp

November 9, 2020 EX-10.2

Second Amendment to Master Product Purchase Agreement and Second Amendment to Railcar Usage Agreement, dated September 28, 2020, between Smart Sand, Inc. and Rice Drilling B, LLC, a subsidiary of EQT Corporation (incorporated by reference to Exhibit 10.2 to Smart Sand, Inc.’s Quarterly Report on Form 10-Q filed with the SEC on November 9, 2020)

SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE SUCH TERMS ARE NOT MATERIAL AND WOULD BE COMPETITIVELY HARMFUL IF PUBLICLY DISCLOSED.

November 9, 2020 EX-10.5

Guarantee and Collateral Agreement Supplement, dated September 18, 2020, by and between Eagle Oil and Gas Proppants Holdings LLC and Northern White Sand LLC, and CRS Proppants LLC, and Jefferies Finance LLC (incorporated by reference to Exhibit 10.5 to Smart Sand, Inc.’s Quarterly Report on Form 10-K filed with the SEC on November 9, 2020)

Exhibit 10.5 GUARANTEE AND COLLATERAL AGREEMENT SUPPLEMENT, dated as of September 18, 2020 (this “Supplement”), made by EAGLE OIL AND GAS PROPPANTS HOLDINGS LLC, a Delaware limited liability company (“Proppants Holdings”), EAGLE OIL AND GAS PROPPANTS LLC, a Delaware limited liability company (“Proppants”), NORTHERN WHITE SAND LLC, a Delaware limited liability company (“Northern”) and CRS PROPPANTS

November 9, 2020 EX-95.1

Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

November 9, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 9, 2020 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File

November 9, 2020 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, 2020 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 001-37936 SMART SAND, INC.

November 9, 2020 EX-10.3

First Amendment to ABL Credit Agreement, dated July 8, 2020, by and between Smart Sand, Inc. and Jefferies Finance LLC (incorporated by reference to Exhibit 10.3 to Smart Sand, Inc.’s Quarterly Report on Form 10-Q filed with the SEC on November 9, 2020)

Exhibit 10.3 EXECUTION VERSION FIRST AMENDMENT TO ABL CREDIT AGREEMENT This FIRST AMENDMENT TO ABL CREDIT AGREEMENT, dated as of July 8, 2020 (this “Amendment”), is entered into by and among SMART SAND, INC., a Delaware corporation (“Parent”), each Subsidiary (as defined in the Credit Agreement referred to below) of Parent party to the Credit Agreement as a “Borrower” (each, a “Borrower” and colle

November 9, 2020 EX-10.4

Second Amendment to ABL Credit Agreement, dated September 18, 2020, by and between Smart Sand, Inc. and Jefferies Finance LLC (incorporated by reference to Exhibit 10.4 to Smart Sand, Inc.’s Quarterly Report on Form 10-Q filed with the SEC on November 9, 2020)

Exhibit 10.4 SECOND AMENDMENT TO ABL CREDIT AGREEMENT This SECOND AMENDMENT TO ABL CREDIT AGREEMENT, dated as of September 18, 2020 (this “Amendment”), is entered into by and among SMART SAND, INC., a Delaware corporation (“Parent”), the other Borrowers party hereto, each Guarantor party hereto, the Lenders party hereto, and JEFFERIES FINANCE LLC, as agent (in such capacity, including any successo

October 1, 2020 8-K

Entry into a Material Definitive Agreement - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 28, 2020 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission Fil

September 18, 2020 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Completion of Acquisition or Disposition of Assets - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 18, 2020 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction (Commission (I.R.S. Employer 1725

September 18, 2020 EX-10.1

Loan and Security Agreement, dated September 18, 2020, by and between Smart Sand, Inc. and Eagle Materials, Inc. (incorporated by reference to Exhibit 10.1 to Smart Sand, Inc.’s Current Report on Form 8-K filed with the SEC on September 18, 2020)

LOAN AND SECURITY AGREEMENT THIS LOAN AND SECURITY AGREEMENT (this “Agreement”) dated as of September 18, 2020 (the “Effective Date”) among EAGLE MATERIALS INC.

September 18, 2020 EX-99.1

The Eagle Oil and Gas Proppants Acquisition Presentation Disclaimer The information in this presentation includes “forward-looking statements”. All statements, other than statements of historical facts included in this presentation regarding Smart Sa

theeagleoilandgasproppan The Eagle Oil and Gas Proppants Acquisition Presentation Disclaimer The information in this presentation includes “forward-looking statements”.

September 18, 2020 EX-2.1

Equity Purchase and Sale Agreement, dated September 18, 2020, by and between Smart Sand, Inc. and Eagle Materials, Inc. (incorporated by reference to Exhibit 2.1 to Smart Sand, Inc.’s Current Report on Form 8-K filed with the SEC on September 18, 2020)

EQUITY PURCHASE AND SALE AGREEMENT by and between EAGLE MATERIALS INC. and SMART SAND, INC. September 18, 2020 TABLE OF CONTENTS Page ARTICLE 1 DEFINITIONS AND INTERPRETATION 1 Section 1.1 Defined Terms 1 Section 1.2 References and Rules of Construction 1 ARTICLE 2 PURCHASE AND SALE; PURCHASE PRICE 2 Section 2.1 Purchase and Sale 2 Section 2.2 Purchase Price 2 Section 2.3 Purchase Price Adjustment

September 9, 2020 EX-99.1

September 2020 Barclays Presentation Disclaimer Forward-Looking Statements This presentation contains forward-looking statements within the meaning of the federal securities laws. Statements that are predictive in nature, that depend upon or refer to

snd-barclayspresentation September 2020 Barclays Presentation Disclaimer Forward-Looking Statements This presentation contains forward-looking statements within the meaning of the federal securities laws.

September 9, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 9, 2020 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File

August 5, 2020 EX-10.1

Letter Agreement to Master Product Purchase Agreement, dated May 26, 2020, between Smart Sand, Inc. and Rice Drilling B LLC, a subsidiary of EQT Corporation (incorporated by reference to Exhibit 10.1 to Smart Sand, Inc.’s Quarterly Report on Form 10-Q filed with the SEC on August 5, 2020)

SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE SUCH TERMS ARE NOT MATERIAL AND WOULD BE COMPETITIVELY HARMFUL IF PUBLICLY DISCLOSED.

August 5, 2020 EX-95.1

Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

August 5, 2020 10-Q

Quarterly Report - 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, 2020 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 001-37936 SMART SAND, INC. (Exac

August 5, 2020 EX-99.1

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

Smart Sand, Inc. Announces Second Quarter 2020 Results •2Q 2020 Revenue of $26.1 million •2Q 2020 total tons sold of approximately 208,000 •2Q 2020 Net Income of $4.6 million •2Q 2020 Adjusted EBITDA of $15.6 million •2Q 2020 Contribution Margin of $19.3 million THE WOODLANDS, Texas, August 5, 2020 – Smart Sand, Inc. (NASDAQ: SND) (the “Company” or “Smart Sand”), a fully integrated frac sand suppl

August 5, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 5, 2020 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Nu

June 10, 2020 S-8

- S-8

As filed with the Securities and Exchange Commission on June 9, 2020 Registration No.

June 4, 2020 EX-10.1

Smart Sand, Inc. Amended and Restated 2016 Omnibus Incentive Plan (incorporated by reference to Exhibit 10.1 to Smart Sand, Inc.’s Current Report on Form 8-K filed with the SEC on June 4, 2020)

Exhibit 10.1 SMART SAND, INC. AMENDED AND RESTATED 2016 OMNIBUS INCENTIVE PLAN 1.Purpose of Plan. The purpose of the Smart Sand, Inc. Amended and Restated 2016 Omnibus Incentive Plan (the “Plan”) is to advance the interests of Smart Sand, Inc., a Delaware corporation (the “Company”) and its stockholders by enabling the Company and its Subsidiaries to attract and retain qualified individuals to per

June 4, 2020 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 2, 2020 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Numb

May 19, 2020 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 14, 2020 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Numb

May 6, 2020 EX-10.1

Letter Agreement to Master Product Purchase Agreement, dated March 26, 2020, between Liberty Oilfield Services, LLC

SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE SUCH TERMS ARE NOT MATERIAL AND WOULD BE COMPETITIVELY HARMFUL IF PUBLICLY DISCLOSED.

May 6, 2020 EX-95.1

Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

May 6, 2020 EX-99.1

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

Smart Sand, Inc. Announces First Quarter 2020 Results •1Q 2020 revenue of $47.5 million •1Q 2020 total tons sold of approximately 757,000 •1Q 2020 Adjusted EBITDA of $6.4 million •1Q 2020 Contribution Margin of $11.5 million •1Q 2020 Contribution Margin per ton of $15.20 THE WOODLANDS, Texas, May 6, 2020 – Smart Sand, Inc. (NASDAQ: SND) (the “Company” or “Smart Sand”), a fully integrated frac sand

May 6, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 6, 2020 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Numbe

May 6, 2020 10-Q

Quarterly Report - 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, 2020 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 001-37936 SMART SAND, INC. (Exa

April 14, 2020 DEFA14A

SND / Smart Sand, Inc. DEFA14A - - DEFA14A

SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Definitive Proxy Statement x Definitive Additional Materials o Soliciting Material Pursuant to §240.

April 10, 2020 DEFA14A

SND / Smart Sand, Inc. DEFA14A - - DEFA14A

SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Definitive Proxy Statement x Definitive Additional Materials o Soliciting Material Pursuant to §240.

April 10, 2020 DEF 14A

SND / Smart Sand, Inc. DEF 14A - - DEF 14A

SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Definitive Proxy Statement o Definitive Additional Materials o Soliciting Material Pursuant to §240.

February 26, 2020 EX-10.14

ABL Credit Agreement, dated December 13, 2019, among Smart Sand, Inc., the subsidiary borrowers and guarantors party thereto, Jefferies Finance LLC, as issuing bank, swingline lender and agent, and certain other lenders from time to time party thereto (incorporated by reference to Exhibit 10.14 to Smart Sand, Inc.’s Annual Report of Form 10-K filed with the SEC on March 14, 2020)

ABL CREDIT AGREEMENT dated as of December 13, 2019, among SMART SAND, INC., as Parent, a Borrower and Administrative Loan Party THE OTHER BORROWERS PARTY HERETO as Borrowers, THE GUARANTORS PARTY HERETO, as Guarantors, THE LENDERS PARTY HERETO as Lenders and JEFFERIES FINANCE LLC, as Agent JEFFERIES FINANCE LLC, as Sole Lead Arranger and Sole Bookrunner Table of Contents Page ARTICLE I DEFINITIONS

February 26, 2020 EX-10.26

Letter Agreement to Master Product Purchase Agreement, dated effective as of December 31, 2019, between Liberty Oilfield Services, LLC and Smart Sand, Inc.

SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE SUCH TERMS ARE NOT MATERIAL AND WOULD BE COMPETITIVELY HARMFUL IF PUBLICLY DISCLOSED.

February 26, 2020 EX-4.3

Description of the Company's Capital Stock

Exhibit 4.3 DESCRIPTION OF THE COMPANY’S CAPITAL STOCK REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 The following description of our capital stock registered pursuant to Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), is a summary and does not purport to be complete. It is subject to and qualified in its entirety by reference to the c

February 26, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 26, 2020 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File

February 26, 2020 EX-99.1

SMART SAND, INC. CONSOLIDATED INCOME STATEMENTS

Smart Sand, Inc. Announces Fourth Quarter and Full Year 2019 Results •4Q and full year 2019 revenue of $47.7 million and $233.1 million, respectively. •4Q and full year 2019 total tons sold of approximately 462,000 and 2,462,000, respectively. •4Q and full year 2019 net income of $2.4 million and $31.6 million, respectively. •4Q and full year 2019 Adjusted EBITDA of $19.6 million and $87.1 million

February 26, 2020 EX-10.15

Guarantee and Collateral Agreement, dated December 13, 2019, among Smart Sand, Inc., the subsidiary borrowers and guarantors party thereto and Jefferies Finance LLC, as agent (incorporated by reference to Exhibit 10.15 to Smart Sand, Inc.’s Annual Report on Form 10-K filed with the SEC on March 14, 2020)

GUARANTEE AND COLLATERAL AGREEMENT dated as of December 13, 2019 among SMART SAND, INC.

February 26, 2020 EX-10.13

Master Lease Agreement, dated December 13, 2019, among Smart Sand, Inc., Smart Sand Oakdale, LLC and Nexseer Capital (incorporated by reference to Exhibit 10.13 to Smart Sand, Inc.’s Annual Report on Form 10-K filed with the SEC on March 14, 2020)

MASTER LEASE AGREEMENT No. 105960 2211 Michelson Drive, Suite 1110, Irvine, CA 92612 Voice (949) 720-9511 Facsimile (949) 720-9611 LESSEE STATE OF INCORPORATION Smart Sand, Inc. and Smart Sand Oakdale LLC as Co-Lessees (“Lessee”) Delaware Page 1 of 5 STREET CITY COUNTY STATE ZIP 1725 Hughes Landing Boulevard, Suite 800 The Woodlands Montgomery TX 77380 1. Agreement & Lease: Lessee agrees to lease

February 26, 2020 EX-21.1

List of subsidiaries of Smart Sand, Inc.

Smart Sand, Inc. and Subsidiaries List of Subsidiaries as of December 31, 2019 Subsidiaries State of Organization Fairview Cranberry, LLC Wisconsin Will Logistics, LLC Pennsylvania Smart Sand Live Oak LLC Delaware Smart Sand Fayette County LLC Delaware Smart Sand Hixton LLC Delaware Smart Sand Reagan County LLC Delaware Smart Sand Tom Green County LLC Delaware Smart Sand Oakdale LLC Delaware SSI L

February 26, 2020 EX-95.1

Mine Safety Disclosure Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

February 26, 2020 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Annual Period Ended December 31, 2019 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 001-37936 SMART SAND, INC. (Exact

February 14, 2020 SC 13G/A

SND / Smart Sand, Inc. / Clearbridge Investments, LLC - NONE Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 03)* Smart Sand, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 83191H107 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whi

February 11, 2020 SC 13G/A

SND / Smart Sand, Inc. / YOUNG CHARLES EDWIN - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 3) SMART SAND, INC. (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 83191H107 (CUSIP Number) December 31, 2019 (Date of Event which Requires filing of this Statement) Check the appropriate box to designate the rule

December 16, 2019 8-K

Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

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 16, 2019 (December 13, 2019) SMART SAND, INC.

November 6, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 6, 2019 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File

November 6, 2019 EX-99.1

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

Smart Sand, Inc. Announces Third Quarter 2019 Results • 3Q 2019 revenue of $65.7 million • 3Q 2019 total tons sold of approximately 611,000 • 3Q 2019 net income of $10.9 million • 3Q 2019 Adjusted EBITDA of $28.8 million • 3Q 2019 Contribution Margin of $33.7 million • 3Q 2019 Contribution Margin per ton of $55.13 THE WOODLANDS, Texas, November 6, 2019 – Smart Sand, Inc. (NASDAQ: SND) (the “Compan

November 6, 2019 EX-95.1

Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

November 6, 2019 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended September 30, 2019 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 001-37936 SMART SAND, INC.

September 13, 2019 EX-10.1

Second Amended and Restated Master Product Purchase Agreement, dated September 10, 2019, by and between Smart Sand, Inc. and Schlumberger Technology Corporation (incorporated by reference to Exhibit 10.1 to Smart Sand, Inc.’s Current Report on Form 8-K filed with the SEC on September 13, 2019)

EX-10.1 2 smartsand-stcxppafinalupda.htm EXHIBIT 10.1 SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE SUCH TERMS ARE NOT MATERIAL AND WOULD BE COMPETITIVELY HARMFUL IF PUBLICLY DISCLOSED. SUCH TERMS HAVE BEEN MARKED AT THE APPROPRIATE PLACE WITH THREE ASTERISKS (***) Execution Copy SECOND AMENDED AND RESTATED MASTER PRODUCT PURCHASE AGREEMENT This Second Amended and Restated Master Produ

September 13, 2019 8-K

Entry into a Material Definitive Agreement, Termination of 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 13, 2019 (September 9, 2019) SMART SAND, INC.

August 7, 2019 EX-95.1

Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

August 7, 2019 EX-10.1

First Amendment to the Master Product Purchase Agreement and First Amendment to Railcar Usage Agreement, dated June 21, 2019, between Smart Sand, Inc. and Rice Drilling B LLC, a subsidiary of EQT Corporation (incorporated by reference to Exhibit 10.1 to Smart Sand, Inc.’s Quarterly Report on Form 10-Q filed with the SEC on August 7, 2019)

Exhibit 10.1 SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE SUCH TERMS ARE NOT MATERIAL AND WOULD BE COMPETITIVELY HARMFUL IF PUBLICLY DISCLOSED. SUCH TERMS HAVE BEEN MARKED AT THE APPROPRIATE PLACE WITH THREE ASTERISKS (***) FIRST AMENDMENT TO MASTER PRODUCT PURCHASE AGREEMENT AND FIRST AMENDMENT TO RAILCAR USAGE AGREEMENT This First Amendment to Master Product Purchase Agreement and F

August 7, 2019 10-Q

SND / Smart Sand, Inc. 10-Q - Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended June 30, 2019 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 001-37936 SMART SAND, INC. (Exac

August 6, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 7, 2019 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Nu

August 6, 2019 EX-99.1

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

EX-99.1 2 a2019q2exhibit991.htm EXHIBIT 99.1 Smart Sand, Inc. Announces Second Quarter 2019 Results • 2Q 2019 revenue of $67.9 million • 2Q 2019 total tons sold of approximately 741,000 • 2Q 2019 net income of $14.3 million • 2Q 2019 Adjusted EBITDA of $26.2 million • 2Q 2019 Contribution Margin of $31.0 million • 2Q 2019 Contribution Margin per ton of $41.80 THE WOODLANDS, Texas, August 7, 2019 –

June 26, 2019 8-K

Entry into a Material Definitive Agreement

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 26, 2019 (June 21, 2019) SMART SAND, INC.

June 24, 2019 8-K

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): June 24, 2019 (June 18, 2019) SMART SAND, INC.

May 7, 2019 EX-99.1

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

EX-99.1 2 a2019q1exhibit991.htm EXHIBIT 99.1 Smart Sand, Inc. Announces First Quarter 2019 Results • 1Q 2019 revenue of $51.8 million. • 1Q 2019 total tons sold of approximately 648,000. • 1Q 2019 net income of $4.0 million. • 1Q 2019 Adjusted EBITDA of $12.4 million. THE WOODLANDS, Texas, May 7, 2019 – Smart Sand, Inc. (NASDAQ: SND) (the “Company” or “Smart Sand”), a fully integrated frac sand su

May 7, 2019 10-Q

SND / Smart Sand, Inc. 10-Q Quarterly Report 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended March 31, 2019 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 001-37936 SMART SAND, INC. (Exa

May 7, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 7, 2019 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Numbe

May 7, 2019 EX-95.1

Mine Safety Disclosure Exhibit

EX-95.1 6 a2019q110qex951.htm EXHIBIT 95.1 Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that op

April 26, 2019 DEFA14A

SND / Smart Sand, Inc. DEFA14A DEFA14A

SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Definitive Proxy Statement x Definitive Additional Materials o Soliciting Material Pursuant to §240.

April 26, 2019 DEF 14A

SND / Smart Sand, Inc. DEF 14A DEF 14A

SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Definitive Proxy Statement o Definitive Additional Materials o Soliciting Material Pursuant to §240.

March 25, 2019 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 25, 2019 (March 20, 2019) SMART SAND, INC.

March 14, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 14, 2019 SMART SAND, INC. (Exact name of registrant as specified in its charter) Delaware 001-37936 45-2809926 (State or other jurisdiction of incorporation) (Commission File Nu

March 14, 2019 EX-99.1

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

Smart Sand, Inc. Announces Fourth Quarter and Full Year 2018 Results • 4Q and full year 2018 revenue of $52.2 million and $212.5 million, respectively. • 4Q and full year 2018 total tons sold of approximately 610,000 and 2,995,000, respectively. • 4Q and full year 2018 net (loss) income of $(4.4) million and $18.7 million, respectively. • 4Q and full year 2018 Adjusted EBITDA of $18.7 million and

March 14, 2019 EX-10.40

Letter Agreement to Master Product Purchase Agreement, dated effective as of November 26, 2018, between Liberty Oilfield Services, LLC and Smart Sand, Inc.

Exhibit 10.40 SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF THOSE TERMS HAS BEEN REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE APPROPRIATE PLACE WITH THREE ASTERISKS (***). October 4, 2018 Liberty Oilfield Services, LLC 950 17th Street, Suite 2400 Denver, Colorado

March 14, 2019 10-K

SND / Smart Sand, Inc. 10-K (Annual Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Annual Period Ended December 31, 2018 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 001-37936 SMART SAND, INC. (Exact

March 14, 2019 EX-10.39

Amendment No. 1 to Master Product Purchase Agreement, dated effective as of October 12, 2018, between Hess Corporation and Smart Sand, Inc.

Exhibit 10.39 SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF THOSE TERMS HAS BEEN REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE APPROPRIATE PLACE WITH THREE ASTERISKS (***). AMENDMENT NO. 1 TO MASTER PRODUCT PURCHASE AGREEMENT CW NO. 2257242 This Amendment No. 1 to

March 14, 2019 EX-95.1

Mine Safety Disclosure Exhibit

Exhibit 95.1 MINE SAFETY DISCLOSURES The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Min

March 14, 2019 EX-10.41

Letter Agreement to Master Product Purchase Agreement, dated effective as of January 22, 2019, between Liberty Oilfield Services, LLC and Smart Sand, Inc. (incorporated by reference to Exhibit 10.41 to the Company’s Annual Report on Form 10-K filed with the SEC on March 14, 2019)

Exhibit 10.41 SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF THOSE TERMS HAS BEEN REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE APPROPRIATE PLACE WITH THREE ASTERISKS (***). January 16, 2019 Liberty Oilfield Services, LLC 950 17th Street, Suite 2000 Denver, Colorad

March 14, 2019 EX-21.1

List of subsidiaries of Smart Sand, Inc.

Smart Sand, Inc. and Subsidiaries List of Subsidiaries as of December 31, 2018 Subsidiaries State of Organization Fairview Cranberry, LLC Wisconsin Will Logistics, LLC Pennsylvania Smart Sand Live Oak LLC Delaware Smart Sand Fayette County LLC Delaware Smart Sand Hixton LLC Delaware Smart Sand Reagan County LLC Delaware Smart Sand Tom Green County LLC Delaware Smart Sand Oakdale LLC Delaware SSI L

Other Listings
DE:1SD 1,65 €
Fintel data has been cited in the following publications:
Daily Mail Fox Business Business Insider Wall Street Journal The Washington Post Bloomberg Financial Times Globe and Mail
NASDAQ.com Reuters The Guardian Associated Press FactCheck.org Snopes Politifact
Federal Register The Intercept Forbes Fortune Magazine TheStreet Time Magazine Canadian Broadcasting Corporation International Business Times
Cambridge University Press Investopedia MarketWatch NY Daily News Entrepreneur Newsweek Barron's El Economista