S-3 1 ny20074684x1_s3.htm S-3

As filed with the Securities and Exchange Commission on May 26, 2026

Registration Statement No. 333-

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM S-3

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933

MOMENTUS INC.

(Exact name of registrant as specified in its charter)

1762 Automation Parkway

San Jose, CA 95131

(650) 564-7820

(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

John C. Rood

Chief Executive Officer

1762 Automation Parkway

San Jose, California 95131

Telephone: (650) 564-7820

(Name, address, including zip code, and telephone number, including area code, of agent for service)

Copies to:

Stephen C. Hinton, Esq.

Bradley Arant Boult Cummings LLP

1221 Broadway

Nashville, Tennessee 37203

Telephone: (615) 252-3585

Approximate date of commencement of proposed sale to the public: From time to time after the effective date of this registration statement, as determined by market conditions.

If the only securities being registered on this Form are being offered pursuant to dividend or interest reinvestment plans, please check the following box. ☐

If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, other than securities offered only in connection with dividend or interest reinvestment plans, check the following box. ☒

If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐

If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐

If this Form is a registration statement pursuant to General Instruction I.D. or a post-effective amendment thereto that shall become effective upon filing with the Commission pursuant to Rule 462(e) under the Securities Act, check the following box. ☐

If this Form is a post-effective amendment to a registration statement filed pursuant to General Instruction I.D. filed to register additional securities or additional classes of securities pursuant to Rule 413(b) under the Securities Act, check the following box. ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.


Large accelerated filer	☐	Accelerated filer	☐
Non-accelerated filer	☒	Smaller reporting company	☒
		Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided to Section 7(a)(2)(B) of the Securities Act. ☐

The Registrant hereby amends this registration statement on such date or dates as may be necessary to delay its effective date until the Registrant shall file a further amendment that specifically states that this registration statement shall thereafter become effective in accordance with Section 8(a) of the Securities Act of 1933, as amended, or until this registration statement shall become effective on such date as the Securities and Exchange Commission, acting pursuant to said Section 8(a), may determine.


			Page
About this Prospectus			ii
Prospectus Summary			1
Risk Factors			8
Forward-Looking Statements			9
Use of Proceeds			10
Description of Capital Stock			11
Description of Debt Securities			16
Description of Warrants			22
Description of Units			24
Legal Ownership of Securities			25
Plan of Distribution			28
Legal Matters			30
Experts			30
Where You Can Find More Information			30
Incorporation of Certain Information by Reference			31


SEC registration fee			$27,620
Transfer agent and registrar expenses			(1)
Accounting fees and expenses			(1)
Legal fees and expenses			(1)
Printing and engraving expenses			(1)
Miscellaneous			⁽¹⁾
Total			$ ⁽¹⁾


Exhibit Number			Description of Exhibit
1.1			Sales Agreement, dated September 19, 2025, by and between Momentus Inc. and Alliance Global Partners (incorporated by reference to Exhibit 1.1 to the Company’s Registration Statement on Form S-3 (File No. 333-290425) filed on September 22, 2025).
1.2**			Form of Underwriting Agreement
2.1†			Agreement and Plan of Merger, dated as of October 7, 2020, by and among Stable Road Acquisition Corp., Project Marvel First Merger Sub, Inc., Project Marvel Second Merger Sub, LLC, and Momentus Inc. (incorporated by reference to Exhibit 2.1 to the Company’s Current Report on Form 8-K filed on October 7, 2020).
2.2			Amendment No. 1 to Agreement and Plan of Merger, dated March 5, 2021, by and among Stable Road Acquisition Corp., Project Marvel First Merger Sub, Inc., Project Marvel Second Merger Sub, LLC, and Momentus Inc. (incorporated by reference to Exhibit 2.2 to the Company’s Registration Statement on Form S-4 (Registration No. 333-249787) filed on March 8, 2021).
2.3			Amendment No. 2 to Agreement and Plan of Merger, dated as of April 6, 2021, by and among Stable Road Acquisition Corp., Project Marvel First Merger Sub, Inc., Project Marvel Second Merger Sub, LLC, and Momentus Inc. (incorporated by reference to Exhibit 2.1 to the Company’s Current Report on Form 8-K filed on April 8, 2021).
2.4			Amendment No. 3 to Agreement and Plan of Merger, dated as of June 29, 2021, by and among Stable Road Acquisition Corp., Project Marvel First Merger Sub, Inc., Project Marvel Second Merger Sub, LLC, and Momentus Inc. (incorporated by reference to Exhibit 2.1 to the Company’s Current Report on Form 8-K filed on June 29, 2021).
4.1			Warrant Agreement, dated November 7, 2019, between Continental Stock Transfer & Trust Company and SRAC (incorporated by reference to the Company’s Current Report on Form 8-K filed on November 13, 2019).
4.2			Specimen Warrant Certificate (incorporated by reference to Exhibit 4.3 to the Company’s Registration Statement on Form S-1 (Registration No. 333-233980) filed on October 10, 2019).
4.3			Form of Class A Warrant (incorporated by reference to Exhibit 4.2 to the Company’s Current Report on Form 8-K filed on September 16, 2024).
4.4			Form of Warrant (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on December 16, 2024).
4.5			Form of Common Warrant (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on December 18, 2024).
4.6			Form of Placement Agent Warrant (incorporated by reference to Exhibit 4.3 to the Company’s Current Report on Form 8-K filed on December 18, 2024).
4.7			Form of Common Warrant (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on February 13, 2025).
4.8			Amendment to Common Stock Purchase Warrants (incorporated by reference to Exhibit 4.3 to the Company’s Current Report on Form 8-K filed on February 13, 2025).
4.9			Form of Placement Agent Warrant (incorporated by reference to Exhibit 4.4 to the Company’s Current Report on Form 8-K filed on February 13, 2025).
4.10			Form of Inducement Warrant (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on March 21, 2025).
4.11			Description of Securities (incorporated by reference to Exhibit 4.19 to the Company’s Registration Statement on Form S-1 filed on April 21, 2025).
4.12			Form of Common Stock Purchase Warrant (incorporated by reference to Exhibit 4.12 to the Company’s Registration Statement on Form S-1 (Registration No. 333-287712) filed on May 30, 2025).
4.13			Form of Common Stock Purchase Warrant (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on July 2, 2025).
4.14			Amendment to Common Stock Purchase Warrants (incorporated by reference to Exhibit 4.3 to the Company’s Current Report on Form 8-K filed on July 2, 2025).
4.15			Form of Inducement Warrant (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on August 14, 2025).


Exhibit Number			Description of Exhibit
4.16			Form of Class A Common Stock Purchase Warrant (incorporated by reference to Exhibit C to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on September 11, 2025).
4.17			Junior Secured Convertible Note Due September 25, 2026, dated September 25, 2025, between Momentus Inc. and Yield Point NY, LLC (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on September 29, 2025).
4.18			Common Stock Purchase Warrant, dated September 25, 2025, between Momentus Inc. and Yield Point NY, LLC (incorporated by reference to Exhibit 4.2 to the Company’s Current Report on Form 8-K filed on September 29, 2025).
4.19			AIR Warrant, dated September 25, 2025, between Momentus Inc. and Yield Point NY, LLC (incorporated by reference to Exhibit 4.3 to the Company’s Current Report on Form 8-K filed on September 29, 2025).
4.20			Pre-Funded Common Stock Purchase Warrant, dated September 25, 2025, between Momentus Inc. and Yield Point NY, LLC (incorporated by reference to Exhibit 4.4 to the Company’s Current Report on Form 8-K filed on September 29, 2025).
4.21			Pre-Funded Common Stock Purchase Warrant, dated September 30, 2025, between Momentus Inc. and Baker & McKenzie LLP (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on October 6, 2025).
4.22			Form of Inducement Warrant (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on October 15, 2025).
4.23			Form of Inducement Warrant (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on December 12, 2025).
4.24			Form of Pre-Funded Warrant (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on January 9, 2026).
4.25			Form of Common Warrant (incorporated by reference to Exhibit 4.2 to the Company’s Current Report on Form 8-K filed on January 9, 2026).
4.26			Form of Pre-Funded Warrant (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on April 16, 2026).
4.27			Form of Placement Agent Warrant (incorporated by reference to Exhibit 4.2 to the Company’s Current Report on Form 8-K filed on April 16, 2026).
4.28			Form of Senior Indenture (incorporated by reference to Exhibit 4.17 to the Company’s Registration Statement on Form S-3 (File No. 333-290425) filed on September 22, 2025).
4.29			Form of Subordinated Indenture (incorporated by reference to Exhibit 4.18 to the Company’s Registration Statement on Form S-3 (File No. 333-290425) filed on September 22, 2025).
4.30**			Form of Preferred Stock Certificate
4.31**			Form of Senior Note
4.32**			Form of Subordinated Note
4.33**			Form of Warrant Agreement and Warrant Certificate
5.1*			Opinion of Bradley Arant Boult Cummings LLP.
23.1*			Consent of Frank, Rimerman + Co. LLP, independent registered public accounting firm.
23.2			Consent of Bradley Arant Boult Cummings LLP (included in Exhibit 5.1).
24.1*			Power of Attorney (included on the signature page to the prospectus which forms part of this registration statement).
25.1#			Form T-1 Statement on Eligibility of Trustee for Senior Indenture under the Trust Indenture Act of 1939.
25.2#			Form T-1 Statement on Eligibility of Trustee for Subordinate Indenture under the Trust Indenture Act of 1939.
107*			Filing Fee Table.


			MOMENTUS INC.

			By:			/s/ Lon Ensler
			Name:			Lon Ensler
			Title:			Chief Financial Officer


Signature	Title	Date
/s/ John C. Rood	Chief Executive Officer and Director (Principal Executive Officer)	May 22, 2026
John C. Rood

/s/ Lon Ensler	Chief Financial Officer (Principal Financial and Accounting Officer)	May 22, 2026
Lon Ensler

/s/ Brian Kabot	Director	May 22, 2026
Brian Kabot	Director

/s/ Chris Hadfield	Director	May 22, 2026
Chris Hadfield	Director

/s/ Victorino Mercado	Director	May 22, 2026
Victorino Mercado	Director

/s/ Kimberly A. Reed	Director	May 22, 2026
Kimberly A. Reed	Director

/s/ Linda J. Reiners	Director	May 22, 2026
Linda J. Reiners	Director

/s/ Mitchel B. Kugler	Director	May 22, 2026
Mitchel B. Kugler	Director

(State or other jurisdiction of
incorporation or organization)

(Primary Standard Industrial
Classification Code Number)

(I.R.S. Employer
Identification No.)

SEC Form S-3 filed by Momentus Inc.