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Momentus Inc.

For the period ended Nov 24, 2025. Filed Oct 29, 2025.

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What shareholders are asked to vote on at a company's meeting. It is where to find what directors and top executives are paid, and who owns the most shares.

Nov 24, 2025 · Filed Oct 29, 2025

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MNTS$2.05+20.6%Stored close · as of Nov 6, 2026
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DEF 14A 1 ny20057014x2_def14a.htm DEF 14A

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant To Section 14(A) of

the Securities Exchange Act of 1934

Filed by the Registrant☒
Filed by a Party other than the Registrant☐

Check the appropriate box:

☐Preliminary Proxy Statement
☐Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
☒Definitive Proxy Statement
☐Definitive Additional Materials
☐Soliciting Material Pursuant to § 240.14a-12

MOMENTUS INC.

(Name of Registrant As Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

☒No fee required
☐Fee paid previously with preliminary materials.
☐Fee computed on table in exhibit required by Item 25 (b) per Exchange Act Rules 14a-6 (i) (1) and 0-11
Items of Business 1. To approve, pursuant to Nasdaq listing rules, the issuance of Class A common stock in connection with the exercise of certain existing Convertible Notes and Warrants, and any future adjustments of the exercise price of the Warrants (the “Convertible Notes and Warrants Proposal”); 2. To approve, pursuant to Nasdaq listing rules, the issuance of Class A common stock in connection with the use of the Company’s Equity Line of Credit and the exercise of certain Pre-Funded Warrants (the “Equity Line of Credit Proposal”); 3. To approve, pursuant to Nasdaq listing rules, the issuance of Class A common stock in connection with the exercise of certain existing Inducement Warrants, and any future adjustments of the exercise price of the warrants (the “Inducement Warrant Proposal”); and 4. Any postponement or adjournment of the Special Meeting to a later date or dates, if necessary or appropriate, to permit further solicitation and vote of proxies if there are insufficient votes to approve any of the proposals at the time of the Special Meeting (the “Adjournment Proposal”). Special Meeting DetailsYou can vote if you are a stockholder of record as of the close of business on October 28, 2025. The Special Meeting of Stockholders will be held in a virtual format only, via live webcast at www.virtualshareholdermeeting.com/MNTS2025SM2. By order of the Board of Directors, Jon LaymanChief Legal Officer and Corporate SecretaryOctober 29, 2025Date and TimeNovember 24, 20259:00 a.m. Pacific Time
Your Vote is ImportantPlease carefully review the proxy materials and follow the instructions below to cast your vote as soon as possible in advance of the meeting.
VOTE ONLINEBy November 23, 2025 www.proxyvote.com
VOTE BY MAIL By November 23, 2025 Vote Processingc/o Broadridge51 Mercedes Way Edgewood, NY 11717

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.