Momentus CEO granted stock and RSU awards

Rood John C. reported acquisition or exercise transactions in this Form 4 filing.

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Form Type

Rhea-AI Filing Summary

Rood John C. reported acquisition or exercise transactions in this Form 4 filing.

Momentus Inc. reported that Chief Executive Officer John C. Rood received equity-based compensation. He was granted 55,350 shares of Class A Common Stock and 40,485 Restricted Stock Units (RSUs) at no cash cost per share. Following the stock grant, he directly holds 55,474 shares of Class A Common Stock.

The RSU award covers 40,485 underlying shares of Class A Common Stock. Each RSU represents a contingent right to receive one share, and the RSUs vest in three equal annual installments from the Vesting Commencement Date, subject to his continued employment through each vesting date.

Insider Trade Summary

Grant/Award: 95,835 shares

Grant/Award 2 txns

Insider Rood John C.

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	40,485	$0.00	$0.00
Grant/Award	Class A Common Stock	55,350	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 63,299 contracts (Direct); Class A Common Stock — 55,474 shares (Direct)

Footnotes (2)

F1. Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of Momentus Inc. Class A Common Stock.
F2. Represents a grant of RSUs, which vest in three equal annual installments from Vesting Commencement Date, subject to Executive's continued Employment through each such vesting date.

Key Figures

Common stock grant: 55,350 shares RSU grant: 40,485 units Stock grant price: $0.00 per share +4 more

7 metrics

Common stock grant 55,350 shares Class A Common Stock granted to CEO on May 19, 2026

RSU grant 40,485 units Restricted Stock Units granted on May 19, 2026

Stock grant price $0.00 per share Transaction price for Class A Common Stock grant

RSU grant price $0.00 per unit Transaction price for Restricted Stock Unit grant

Shares held after grant 55,474 shares Total Class A Common Stock directly held after transaction

RSUs held after grant 63,299 units Total Restricted Stock Units held after transaction

RSU vesting schedule 3 equal annual installments RSUs vest over three years from Vesting Commencement Date

Key Terms

Restricted Stock Unit, Class A Common Stock, Vesting Commencement Date, Grant, award, or other acquisition

4 terms

Restricted Stock Unit financial

"Each Restricted Stock Unit (RSU) represents a contingent right to receive one share"

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

Class A Common Stock financial

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

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

Vesting Commencement Date financial

"RSUs, which vest in three equal annual installments from Vesting Commencement Date"

The vesting commencement date is the starting point when an employee begins earning ownership rights to their promised benefits, such as stock options or retirement contributions. Think of it like the day a savings account is opened—only after this date do the benefits start to grow and become fully available over time. It matters to investors because it marks when the clock begins ticking toward full ownership, affecting the timing and value of these benefits.

Grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

FAQ

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

What equity awards did MNTS CEO John C. Rood receive in this Form 4?

John C. Rood received a grant of 55,350 shares of Class A Common Stock and 40,485 Restricted Stock Units. Both awards were recorded at a per-share transaction price of $0.00, indicating they were compensation grants rather than open-market purchases.

How many Momentus (MNTS) shares does the CEO hold after this transaction?

After the stock grant, John C. Rood directly holds 55,474 shares of Momentus Class A Common Stock. This figure reflects his updated non-derivative ownership position as reported in the filing, separate from the RSUs that may convert into additional shares over time.

What are the terms of the 40,485 Restricted Stock Units granted to the MNTS CEO?

The 40,485 Restricted Stock Units each represent a right to receive one share of Class A Common Stock. These RSUs vest in three equal annual installments starting from the Vesting Commencement Date, contingent on the executive’s continued employment through each vesting date.

Is the MNTS CEO’s equity transaction a market buy or a compensation grant?

The transaction is a compensation grant, not a market purchase. The Form 4 uses transaction code “A” for both the stock and RSUs, and shows a $0.00 price per share, indicating a grant, award, or other acquisition rather than an open-market buy or sell.

How many RSUs does the MNTS CEO hold after these awards?

Following the new award, the CEO’s total Restricted Stock Unit holdings are reported as 63,299 units. Each unit is tied to one underlying share of Class A Common Stock, subject to vesting conditions and future settlement into shares as those conditions are satisfied.

Do the MNTS CEO’s RSUs provide immediate voting rights in the company?

The filing states each Restricted Stock Unit represents a contingent right to receive one share of Class A Common Stock. It describes RSUs as rights to future shares, not current share ownership, so voting and other shareholder rights typically begin when shares are actually issued.

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

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Accepted by SEC EDGAR 05/21/2026 - 07:17 PM EDT

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^*

Rood John C.

(Last)

(First)

(Middle)

C/O MOMENTUS INC.

1762 AUTOMATION PARKWAY

(Street)

SAN JOSE

CALIFORNIA

95131

(City)

(State)

(Zip)

UNITED STATES

(Country)

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
X	Officer (give title below)	Other (specify below)
	Chief Executive Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/19/2026

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

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

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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Common Stock	05/19/2026		A		55,350	A	$0	55,474	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽¹⁾	05/19/2026		A		40,485		⁽²⁾	⁽²⁾	Class A Common Stock	40,485	$0	63,299	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. Represents a grant of RSUs, which vest in three equal annual installments from Vesting Commencement Date, subject to Executive's continued Employment through each such vesting date.

	/s/ John Rood	05/21/2026
	** 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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR