MNTS Momentus Inc. - 8-K

Item 5.07

Submission of Matters to a Vote of Security Holders.

On May 19, 2026, Momentus Inc. (the “ Company ”) held its 2026 Annual Meeting of Stockholders (the “ Annual Meeting ”). A quorum was present at the meeting. The final results of
voting for each matter submitted to a vote of stockholders at the Annual Meeting are set forth below.

Proposal 1

Election of Two Directors

Voting results for the election of directors were as follows:

Momentus Nominees

For

Withheld

Broker Non-Votes

Chris Hadfield

892,532

22,286

1,361,297

John C. Rood

890,446

24,372

1,361,297

Accordingly, both of the Company’s nominees were elected to serve as directors of the Company until the 2029 Annual Meeting of Stockholders and until their respective
successors are appointed, elected, and qualified.

Proposal 2

Ratification of Appointment of Auditors

Ratification of the appointment of Frank, Rimerman + Co. LLP as the Company’s independent registered public accounting firm for the 2026 fiscal year was approved by the following vote:

For

Against

Abstain

2,256,257

14,739

5,119

Proposal 3

Equity Incentive Plan Proposal

Approval of an amendment to the Company’s 2021 Equity Incentive Plan to increase the number of shares available for issuance thereunder was approved by the following vote:

For

Against

Abstain

Broker Non-Vote

795,227

113,598

5,993

1,361,297

Proposal 4

Evergreen Share Proposal

Approval of an amendment to the Company’s 2021 Equity Incentive Plan to increase annual evergreen percentage increase to the number of shares available for issuance thereunder was approved by
the following vote:

For

Against

Abstain

Broker Non-Vote

668,009

117,635

129,174

1,361,297

Proposal 5

Say-on-Pay Proposal

Approval, on an advisory basis, of the compensation of the Company’s named executive officers was approved by the following vote:

For

Against

Abstain

Broker Non-Vote

842,147

54,357

18,314

1,361,297

Proposal 6

Say-on-Pay Frequency Proposal

Approval, on an advisory basis, of the frequency of future advisory votes on the compensation of the Company’s named executive officers was approved at a frequency of every “three years” by the
following vote:

1 Year

2 Years

3 Years

Abstain

218,956

3,315

667,946

24,601

Item 9.01

Financial Statements and Exhibits.

(d) Exhibits. The exhibits listed on the exhibit index accompanying this Current Report on Form 8-K are furnished herewith.

Exhibit No.

Description

10.1

Second Amendment to the 2021 Equity Incentive Plan.

104

Cover Page Interactive Data File (embedded within the Inline XBRL document).