[S-1/A] Momentus Inc. Amends IPO Registration Statement

Rhea-AI Filing Summary

Momentus has filed Amendment No. 1 to its Form S-1 Registration Statement (File No. 333-288123), primarily serving as an exhibits-only filing. The company, a non-accelerated filer and smaller reporting company, is based in San Jose, CA, and operates in the space infrastructure sector.

Key highlights from the filing:

• The amendment includes significant updates to the company's securities and governance framework, including new warrant agreements, equity incentive plans, and financing arrangements
• Recent notable transactions include: - New loan agreement with J.J. Astor & Co. (May 30, 2025) - Convertible promissory note with A.G.P./Alliance Global Partners (May 13, 2025) - Multiple securities purchase agreements and warrant inducements throughout 2024-2025
• The company has undergone several corporate governance changes, including amendments to its certificate of incorporation and bylaws
• The filing indicates continuous capital raising activities through various financial instruments, suggesting ongoing funding needs

The registration statement will become effective either upon further amendment or as determined by the SEC under Section 8(a) of the Securities Act.

Positive

• Company filed S-1/A amendment indicating progress toward a potential public offering or securities registration
• Momentus has established multiple equity incentive plans including the 2021 Equity Incentive Plan and 2022 Inducement Equity Plan, suggesting structured approach to talent retention
• Company secured new financing through loan agreements with J.J. Astor & Co. in May 2025, indicating access to capital

Negative

• Multiple amendments to convertible notes and loan agreements in recent months suggest potential financial pressure
• Company is classified as both a non-accelerated filer and smaller reporting company, indicating limited operational scale
• Recent change in independent accountants (July 2023) could signal internal control or reporting challenges
• Multiple warrant issuances and securities purchase agreements in 2024-2025 suggest significant dilution risk for shareholders

As filed with the Securities and Exchange Commission on June 20, 2025

Registration No. 333-288123

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Amendment No. 1

to

FORM S-1

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933

MOMENTUS INC.

(Exact Name of Registrant as Specified in Its Charter)

Delaware	3714	84-1905538
(State or Other Jurisdiction of Incorporation or Organization)	(Primary Standard Industrial Classification Code Number)	(I.R.S. Employer Identification Number)

3901 N. First Street

San Jose, CA 95134

(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

3901 N. First Street

San Jose, California 95134

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 ONE 22 ONE 1221 Broadway Nashville, Tennessee 37203 Telephone: (615) 244-2582 Leslie Marlow, Esq. Patrick J. Egan, Esq. Blank Rome LLP 1271 Avenue of the Americas New York, New York 10020 Telephone: (212) 885-5358

Approximate date of commencement of proposed sale to the public: From time to time after the effective date of this registration statement.

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, 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, 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 post-effective amendment filed pursuant to Rule 462(d) 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.   ☐

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 pursuant 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 which 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 the registration statement shall become effective on such date as the Securities and Exchange Commission, acting pursuant to said Section 8(a), may determine.

EXPLANATORY NOTE

Momentus Inc. is filing this Amendment No. 1 (this “Amendment”) to its Registration Statement on Form S-1 (File No. 333-288123) (the “Registration Statement”) as an exhibits-only filing. Accordingly, this Amendment consists only of the facing page, this explanatory note, Item 16(a) of Part II of the Registration Statement, the signature page to the Registration Statement and the filed exhibits. The remainder of the Registration Statement is unchanged and has been omitted.

PART II

INFORMATION NOT REQUIRED IN PROSPECTUS

Item 16. Exhibits and Financial Statement Schedules.

Exhibit Number	Description of Exhibit
1.1*	Form of Placement Agency 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).
3.1	Second Amended and Restated Certificate of Incorporation (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K filed on August 18, 2021).
3.2	Certificate of Amendment to Second Amended and Restated Certificate of Incorporation (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K filed on August 22, 2023).
3.3	Second Certificate of Amendment to the Second Amended and Restated Certificate of Incorporation of Momentus Inc. (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K filed on December 10, 2024).
3.4	Certificate of Designations of Preferences, Rights and Limitations of Series A Convertible Preferred Stock of Momentus Inc. (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K filed on April 14, 2025).
3.5	Amended and Restated Bylaws of the Company (incorporated by reference to Exhibit 3.2 to the Company’s Current Report on Form 8-K filed on August 18, 2021).
3.6	First Amendment to the Amended and Restated Bylaws of the Company (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K filed on July 25, 2023).
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).

II-1

Exhibit Number	Description of Exhibit
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 Warrant.
4.14*	Form of Pre-Funded Warrant.
5.1*	Opinion of Bradley Arant Boult Cummings LLP.
10.1	Amended and Restated Registration Rights Agreement, dated as of August 12, 2021, by and among the Company, Sponsor, and certain other parties (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on August 18, 2021).
10.2	Form of Insider Letter (incorporated by reference to Exhibit 10.1 to the Company’s Registration Statement on Form S-1 (Registration No. 333-233980) filed on October 10, 2019).
10.3	Form of Indemnification Agreement (incorporated by reference to Exhibit 10.4 to the Company’s Current Report on Form 8-K filed on August 18, 2021).
10.4#†	Momentus 2021 Equity Incentive Plan (incorporated by reference to Exhibit 10.5 to the Company’s Current Report on Form 8-K filed on August 18, 2021).
10.5#†	First Amendment to the 2021 Equity Incentive Plan (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on May 20, 2025).
10.6#†	Form of option award agreement under 2021 Equity Incentive Plan (incorporated by reference to Exhibit 10.6 to the Company’s Current Report on Form 8-K filed on August 18, 2021).
10.7#†	Form of RSU award agreement under 2021 Equity Incentive Plan (incorporated by reference to Exhibit 10.7 to the Company’s Current Report on Form 8-K filed on August 18, 2021).
10.8#†	Momentus 2021 Employee Stock Purchase Plan (incorporated by reference to Exhibit 10.8 to the Company’s Current Report on Form 8-K filed on August 18, 2021).
10.9#†	Momentus Inc. 2022 Inducement Equity Plan (incorporated by reference to Exhibit 99.1 to the Company’s Registration Statement on Form S-8 filed on March 14, 2022).
10.10#	First Amendment to the Momentus Inc. 2022 Inducement Equity Plan (incorporated by reference to Exhibit 99.2 to the Company’s Registration Statement on Form S-8 (Registration No. 333-270761) filed on March 23, 2023).
10.11#	Second Amendment to the Momentus Inc. 2022 Inducement Equity Plan (incorporated by reference to Exhibit 99.3 to the Company’s Registration Statement on Form S-8 (Registration No. 333-272104) filed on May 19, 2023).
10.12#†	Third Amendment to the Momentus Inc. 2022 Inducement Equity Plan (incorporated by reference to Exhibit 99.6 to the Company’s Registration Statement on Form S-8 (Registration No. 333-287706) filed on May 30, 2025).
10.13#	Form of option award agreement under 2022 Inducement Equity Plan (incorporated by reference to Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q filed on May 11, 2022).
10.14#	Form of RSU award agreement under 2022 Inducement Equity Plan (incorporated by reference to Exhibit 10.3 to the Company’s Quarterly Report on Form 10-Q filed on May 11, 2022).
10.15	Employment Agreement of John C. Rood dated August 1, 2021 (incorporated by reference to Exhibit 10.12 to the Company’s Current Report on Form 8-K filed on August 18, 2021).
10.16#†	Director Compensation Policy (incorporated by reference to Exhibit 10.15 to the Company’s Current Report on Form 8-K filed on August 18, 2021).
10.17	SEC Order in Administrative Proceeding 3-20393 (incorporated by reference to Annex J to the Company’s Registration Statement on Form S-4 (Registration No. 333-249787) filed on July 21, 2021).
10.18#†	Momentus Inc. Amended and Restated 2018 Stock Plan and forms of award agreement thereunder (incorporated by reference to Exhibit 10.11 to the Company’s Amendment No. 4 to Registration Statement on Form S-4 filed on July 21, 2021).
10.19	Form of Warrant Inducement Agreement (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on November 7, 2023).
10.20	Form of Securities Purchase Agreement (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on January 16, 2024).
10.21	Form of Securities Purchase Agreement (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on March 7, 2024).

II-2

Exhibit Number	Description of Exhibit
10.22	Form of Change in Control Letter Agreement (incorporated by reference to Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q filed on August 14, 2023).
10.23	Form of Securities Purchase Agreement (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on September 16, 2024).
10.24	Form of Registration Rights Agreement (incorporated by reference to Exhibit 10.2 to the Company’s Current Report on Form 8-K filed on September 16, 2024).
10.25	Form of Secured Promissory Note (incorporated by reference to Exhibit 10.22 to the Company’s Registration Statement on Form S-1 (Registration No. 333-282724) filed on October 18, 2024).
10.26	Secured Convertible Promissory Note, dated July 12, 2024, by and between Space Infrastructures Ventures, LLC and Momentus Inc. (incorporated by reference to Exhibit 10.23 to the Company’s Registration Statement on Form S-1 (Registration No. 333-282724) filed on October 18, 2024).
10.27	First Amendment to Secured Convertible Promissory Note, dated July 12, 2024, by and between Space Infrastructures Ventures, LLC and Momentus Inc. (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K/A filed on December 17, 2024).
10.28	Secured Convertible Promissory Note, dated October 24, 2024, by and between Space Infrastructures Ventures, LLC and Momentus Inc. (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on October 28, 2024).
10.29	First Amendment to Secured Convertible Promissory Note, dated October 24, 2024, by and between Space Infrastructures Ventures, LLC and Momentus Inc. (incorporated by reference to Exhibit 10.2 to the Company’s Current Report on Form 8-K/A filed on December 17, 2024).
10.30	Loan Agreement, dated December 13, 2024, by and between Momentus Inc. and J.J. Astor & Co. (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on December 16, 2024).
10.31	Form of Securities Purchase Agreement (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on December 18, 2024).
10.32	Form of Securities Purchase Agreement (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on February 13, 2025).
10.33	Form of Warrant Inducement Agreement, by and between Momentus Inc. and the Holder identified on the signature page thereto (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on March 21, 2025).
10.34*	Form of Securities Purchase Agreement.
10.35	Convertible Promissory Note dated May 13, 2025 by and between Momentus Inc. and A.G.P./Alliance Global Partners (incorporated by reference to Exhibit 10.3 to the Company’s Quarterly Report on Form 10-Q filed on May 15, 2025).
10.36	Loan Agreement, dated May 30, 2025, by and between Momentus Inc. and J.J. Astor & Co. (incorporated by reference to Exhibit 10.33 to the Company’s Registration Statement on Form S-1 (Registration No. 333-287712) filed on June 2, 2025).
10.37	Registration Rights Agreement, dated May 30, 2025, by and between Momentus Inc. and J.J. Astor & Co. (incorporated by reference to Exhibit 10.34 to the Company’s Registration Statement on Form S-1 (Registration No. 333-287712) filed on June 2, 2025).
10.38**	Amendment to Loan Agreement and Registration Rights Agreement, dated June 17, 2025, by and between Momentus Inc. and J.J. Astor & Co.
10.39**	Letter Agreement, dated June 17, 2025, by and between Momentus Inc. and A.G.P./Alliance Global Partners amending that certain Convertible Promissory Note dated May 13, 2025 by and between Momentus Inc. and A.G.P./Alliance Global Partners.
16.1	Letter from the Company’s former independent accountant, dated July 24, 2023 (incorporated by reference to Exhibit 16.1 to the Company’s Current Report on Form 8-K filed on July 25, 2023).
21.1	List of Subsidiaries (incorporated by reference to Exhibit 21.1 to the Company’s Current Report on Form 8-K filed on August 18, 2021).
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).
107**	Filing Fee Table.

# Management contract or compensatory plan or arrangement

* Filed herewith

** Previously filed

† Certain of the exhibits and schedules to this Exhibit List have been omitted in accordance with Regulation S-K Item 601(a)(5). The registrant agrees to furnish a copy of all omitted exhibits and schedules to the SEC upon its request.

II-3

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized on June 20, 2025.

	MOMENTUS INC.
	By:	/s/ Lon Ensler
	Name:	Lon Ensler
	Title:	Interim Chief Financial Officer

Pursuant to the requirements of the Securities Act of 1933, this registration statement has been signed below by the following persons in the capacities and on the dates indicated.

Signature		Title		Date
/s/ John C. Rood		Chief Executive Officer and Director (Principal Executive Officer)		June 20, 2025
John C. Rood
/s/ Lon Ensler		Interim Chief Financial Officer (Principal Financial and Accounting Officer)		June 20, 2025
Lon Ensler
*		Director		June 20, 2025
Brian Kabot
*		Director		June 20, 2025
Chris Hadfield
*		Director		June 20, 2025
Victorino Mercado
*		Director		June 20, 2025
Kimberly A. Reed
*		Director		June 20, 2025
Linda J. Reiners
*		Director		June 20, 2025
Mitchel B. Kugler
*By: /s/ John C. Rood		Director		June 20, 2025
John C. Rood Attorney-in-Fact

II-4

FAQ

What type of securities is MNTS registering in its June 2025 S-1/A filing?

MNTS is filing an Amendment No. 1 to its Registration Statement (Form S-1) to register securities on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933. The filing includes registration of common warrants, pre-funded warrants, and related securities as indicated by the exhibits section.

What is MNTS's company classification according to the June 2025 S-1/A?

According to the filing, Momentus Inc. (MNTS) is classified as a non-accelerated filer and a smaller reporting company. The company is not designated as a large accelerated filer, accelerated filer, or emerging growth company.

Who is the current CEO of MNTS as disclosed in the S-1/A filing?

John C. Rood is identified as the Chief Executive Officer of Momentus Inc., with his office located at 3901 N. First Street, San Jose, California 95134. His employment agreement is dated August 1, 2021, as referenced in Exhibit 10.15 of the filing.

What recent financing activities has MNTS undertaken according to the June 2025 S-1/A?

Recent financing activities disclosed in the exhibits include: a loan agreement with J.J. Astor & Co. dated May 30, 2025, a convertible promissory note with A.G.P./Alliance Global Partners dated May 13, 2025, and multiple securities purchase agreements and warrant issuances throughout late 2024 and early 2025.

What equity incentive plans does MNTS currently have in place?

MNTS has several equity incentive plans in place including: the 2021 Equity Incentive Plan (with a First Amendment in May 2025), the 2021 Employee Stock Purchase Plan, and the 2022 Inducement Equity Plan (with three amendments, the most recent being May 30, 2025).