Jon Layman - 27 Feb 2026 Form 4 Insider Report for Momentus Inc. (MNTS)

Reporting relationship: Chief Legal Officer
Issuer ticker: MNTS
Reported as of: 27 Feb 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 03 Mar 2026, 18:52:10 UTC
Prior SEC filing: 03 Jul 2025
Next SEC filing: 21 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Jon Layman

Key filing fact

Jon Layman filed Form 4 for Momentus Inc. (MNTS) on 03 Mar 2026.

Key facts

This page summarizes Jon Layman's Form 4 filing for Momentus Inc. (MNTS).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 03 Mar 2026, 18:52.

Change

Previous filing in this sequence was filed on 03 Jul 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001857583 Primary reporting owner

Layman Jon

Relationship: Chief Legal Officer
Address: C/O MOMENTUS INC., 3901 N. FIRST STREET, SAN JOSE
Signature: /s/ Jon Layman
Signature date: 03 Mar 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MNTS transaction Derivative

Restricted Stock Units

Award

Transaction value: $0
Shares: +8,486
Change %
Price: $0.000000
Shares after: 8,486
Date: 27 Feb 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 8,486
Exercise price
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Each Restricted Stock Unit represents a contingent right to receive one share of Momentus Inc. Class A Common Stock.

Footnote F2

Represents a grant of Restricted Stock Units, which vest in three equal annual installments from Vesting Commencement Date, subject to Executive's continued Employment through each such vesting date.