Castellum (CTM) director receives 100,000 stock options at $1.19

Castellum, Inc. (CTM) disclosed an insider equity award.

Rhea-AI Filing Summary

Castellum, Inc. (CTM) disclosed an insider equity award. Director Bernard S. Champoux was granted 100,000 stock options on 11/11/2025 with an exercise price of $1.19 per share under the Second Amended 2021 Stock Incentive Plan. The options vest ratably over twenty months starting December 1, 2025 and expire on 11/10/2032. The filing lists ownership as Direct (D). This is a routine compensation grant to a board member, not an open‑market purchase or sale.

Insider Trade Summary

Grant/Award: 100,000 shares

Grant/Award 1 txn

Insider Champoux Bernard S

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock Options	100,000	$0.00	$0.00

Holdings After Transaction: Stock Options — 100,000 contracts (Direct)

Footnotes (1)

1. F1. As compensation for his service as an independent member of the Board of Directors, Mr. Champoux received 100,000 stock options granted pursuant to the terms of the Castellum, Inc. Second Amended 2021 Stock Incentive Plan to purchase 100,000 shares of common stock which vest ratably over a period of twenty months commencing December 1, 2025.

FAQ

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

What did Castellum (CTM) disclose in this Form 4?

A director, Bernard S. Champoux, received 100,000 stock options on 11/11/2025 at an exercise price of $1.19.

What are the vesting terms of the CTM director’s options?

They vest ratably over twenty months beginning December 1, 2025.

When do the granted CTM options expire?

The options expire on 11/10/2032.

What is the ownership form reported for the options?

The filing reports Direct (D) ownership.

Under which plan were the CTM options granted?

They were granted under the Second Amended 2021 Stock Incentive Plan.

Is this a market transaction or compensation grant?

It is a compensation grant, not an open‑market purchase or sale.

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

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Accepted by SEC EDGAR 11/13/2025 - 06:51 AM 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^*

Champoux Bernard S

(Last) (First) (Middle)

1934 OLD GALLOWS ROAD

SUITE 350

(Street)

VIENNA VA 22182

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Castellum, Inc. [ CTM ]

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)
11/11/2025

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

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
Stock Options	$1.19	11/11/2025		A		100,000		(1)	11/10/2032	Common Stock	100,000	$0	100,000	D

Explanation of Responses:

1. As compensation for his service as an independent member of the Board of Directors, Mr. Champoux received 100,000 stock options granted pursuant to the terms of the Castellum, Inc. Second Amended 2021 Stock Incentive Plan to purchase 100,000 shares of common stock which vest ratably over a period of twenty months commencing December 1, 2025.

Remarks:

	/s/ Bernard S. Champoux	11/13/2025
	** 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.