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Form 4: Linda Reiners Receives Equity Award as Momentus Board Director

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Momentus Inc. (MNTS) – SEC Form 4 Filing

Director Linda J. Reiners was awarded 16,294 Restricted Stock Units (RSUs) on 06/30/2025. Each RSU converts into one share of Class A common stock upon vesting, increasing her direct beneficial ownership to 21,441 shares.

The RSUs vest in full on the earlier of June 30, 2026 or the day before the 2026 Annual Meeting, provided she remains on the Board. The transaction is coded “A” (award/acquisition) at a stated price of $0, indicating routine director compensation rather than an open-market purchase.

No disposals, cash transactions, or other insider activities were reported. The filing carries minimal dilution risk and does not signal additional corporate developments.

Positive

  • Increased insider alignment: Director Linda J. Reiners’ total holdings rose to 21,441 shares following the 16,294-RSU award.

Negative

  • Limited signaling value: The equity was a no-cost compensation grant rather than an open-market purchase, providing little insight into insider sentiment.

Insights

Routine director RSU grant; neutral market impact, negligible dilution, modestly higher insider alignment.

The Form 4 records a standard equity compensation award to Director Linda J. Reiners. The 16,294 RSUs represent an immaterial fraction of Momentus’ total share count, so dilution is effectively negligible. Because the shares were granted—not purchased—the filing offers limited insight into management’s valuation view. Nevertheless, the additional holdings slightly enhance insider alignment with shareholders. Absent further context or concurrent transactions, the disclosure is deemed neutral for valuation or trading decisions.

Insider Reiners Linda J.
Role Director
Type Security Shares Price Value
Grant/Award Restricted Stock Units 16,294 $0.00 --
Grant/Award Class A Common Stock 16,294 $0.00 --
Holdings After Transaction: Restricted Stock Units — 16,294 shares (Direct); Class A Common Stock — 21,441 shares (Direct)
Footnotes (1)
  1. Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of Momentus, Inc. Class A Common Stock. The RSUs will vest in full on the earlier to occur of June 30, 2026 or the day before the 2026 Annual Meeting, subject to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.
Form 4 Insider Transactions: What Each Field Means →
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*
Reiners Linda J.
(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)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
06/30/2025
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
Class A Common Stock 06/30/2025 A 16,294 A $0 21,441 D
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) 06/30/2025 A 16,294 (2) (2) Class A Common Stock 16,294 $0 16,294 D
Explanation of Responses:
1. Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of Momentus, Inc. Class A Common Stock.
2. The RSUs will vest in full on the earlier to occur of June 30, 2026 or the day before the 2026 Annual Meeting, subject to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.
Remarks:
/s/ John Rood, Attorney-in-Fact 07/03/2025
** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What did the MNTS Form 4 filed on July 3, 2025 disclose?

It reported that Director Linda J. Reiners received 16,294 RSUs on 06/30/2025, lifting her direct MNTS holdings to 21,441 shares.

How many Momentus shares does Linda J. Reiners now own?

After the RSU grant, she beneficially owns 21,441 Class A common shares.

When will the granted RSUs to Linda J. Reiners vest?

They vest on June 30, 2026 or the day before the 2026 Annual Meeting, whichever occurs first.

Was there an open-market purchase of MNTS stock in this filing?

No. The filing lists an “A” transaction code at $0 price, indicating a compensation award, not an open-market buy.

Does the RSU grant materially dilute existing MNTS shareholders?

The 16,294-share award is immaterial relative to Momentus’ total shares outstanding, so dilution impact is negligible.