Momentus CLO granted 8,486 RSUs

Layman Jon reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Layman Jon reported acquisition or exercise transactions in this Form 4 filing.

Momentus Inc. reported that its Chief Legal Officer, Jon Layman, received a grant of 8,486 Restricted Stock Units (RSUs) on Class A common stock. Each RSU represents the right to receive one share in the future. The RSUs vest in three equal annual installments starting from the vesting commencement date, as long as he remains employed through each vesting date.

Insider Trade Summary

Grant/Award: 8,486 shares

Grant/Award 1 txn

Insider Layman Jon

Role Chief Legal Officer

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	8,486	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 8,486 contracts (Direct)

Footnotes (2)

1. F1. Each Restricted Stock Unit represents a contingent right to receive one share of Momentus Inc. Class A Common Stock.
2. 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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did MNTS report for Chief Legal Officer Jon Layman?

Momentus Inc. reported that Chief Legal Officer Jon Layman received a grant of 8,486 Restricted Stock Units. These units are a form of equity compensation that convert into Class A common shares over time, aligning his interests with long-term company performance.

How many Restricted Stock Units were granted to the MNTS Chief Legal Officer?

Jon Layman was granted 8,486 Restricted Stock Units. Each RSU represents a contingent right to receive one share of Momentus Inc. Class A common stock, providing potential future ownership rather than an immediate cash payment or open-market share purchase.

How do the 8,486 RSUs granted by MNTS vest over time?

The 8,486 Restricted Stock Units vest in three equal annual installments. Vesting is tied to continued employment, meaning the executive must remain with Momentus Inc. through each vesting date to receive the corresponding one-third portion of the grant.

Does the MNTS Chief Legal Officer pay cash for the 8,486 RSUs granted?

No cash payment is required for the 8,486 Restricted Stock Units, which were granted at a price per unit of $0.00. Instead, the RSUs convert into shares over time if the executive satisfies the ongoing employment-based vesting conditions.

What does each RSU in the MNTS grant represent for Jon Layman?

Each Restricted Stock Unit in the grant represents a contingent right to receive one share of Momentus Inc. Class A common stock. The shares are delivered only as vesting milestones are met, making this a deferred form of stock-based compensation for the executive.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/03/2026 - 06:52 PM EST Learn about SEC filing dates

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Layman Jon

(Last) (First) (Middle)

C/O MOMENTUS INC.

3901 N. FIRST STREET

(Street)

SAN JOSE CA 95134

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Momentus Inc. [ MNTS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Legal Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/27/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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

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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: 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
Restricted Stock Units	(1)	02/27/2026		A		8,486		(2)	(2)	Class A Common Stock	8,486	$0	8,486	D

Explanation of Responses:

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

2. 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.

	/s/ Jon Layman	03/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.