Sec Form 4 Filing - Quiroga Juan Manuel @ Momentus Inc. - 2021-08-12

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Quiroga Juan Manuel 2. Issuer Name and Ticker or Trading Symbol Momentus Inc. [ SRACU] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O STABLE ROAD CAPITAL LLC, 1345 ABBOT KINNEY BLVD 3. Date of Earliest Transaction (MM/DD/YY) 08/12/2021 (Street) VENICE, CA90291 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 08/12/2021 C( 1 ) 3,886,029 ( 1 ) A $ 0 ( 1 ) 4,381,029 D ( 2 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Class B Common Stock ( 3 ) 08/12/2021 J( 3 ) 250,000 ( 1 ) ( 1 ) Class A Common Stock 250,000 ( 3 ) 3,886,029 D ( 2 ) Class B Common Stock ( 1 ) 08/12/2021 C( 1 ) 3,886,029 ( 1 ) ( 1 ) Class A Common Stock 3,886,029 ( 1 ) ( 1 ) 0 ( 1 ) D ( 2 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Quiroga Juan Manuel C/O STABLE ROAD CAPITAL LLC 1345 ABBOT KINNEY BLVD VENICE, CA90291 X Signatures /s/ Juan Manuel Quiroga 08/13/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )As described in the Issuer's registration statement on Form S-1 (File No. 333-233980) under the heading "Description of Securities--Founder Shares and Placement Shares," the shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the Issuer's initial business combination on a one-for-one basis subject to certain adjustments and have no expiration date. On August 12, 2021, the Issuer completed its initial business combination (the "Business Combination") with Momentus Inc., a Delaware corporation ("Momentus"). In connection with the Business Combination, each share of Class B common stock automatically converted on a one-for-one basis into shares of the Issuer's Class A common stock. ( 2 )Brian Kabot, Juan Manuel Quiroga and Edward Freedman are the managers of SRC-NI Holdings LLC (the "Sponsor") and have voting and investment discretion with respect to the securities held by the Sponsor. As such, each of them may be deemed to share beneficial ownership of the securities held directly by the Sponsor. The reporting person disclaims any beneficial ownership of the reported securities other than to the extent of any pecuniary interest he may have therein, directly or indirectly. ( 3 )Represents shares of Class B common stock relinquished and forfeited upon the closing of the Business Combination pursuant to a settlement agreement with the Securities and Exchange Commission.

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