Castellum insider reports stock sales totaling 53,000 CTM shares

Castellum, Inc. insider reports stock sales in Form 4 filing.

Rhea-AI Filing Summary

Castellum, Inc. insider reports stock sales in Form 4 filing. A director and officer of Castellum, Inc. (serving as General Counsel, Secretary and EVP - Strategy) reported two open-market sales of common stock. On 11/28/2025, the insider sold 18,000 shares at a price of $1.055 per share. On 12/01/2025, the insider sold an additional 35,000 shares at $1.05 per share. After these transactions, the reporting person beneficially owns 7,370,973 shares of Castellum common stock directly.

Insider Trade Summary

Net Seller: 53,000 shares

Net Sell 2 txns

Insider WRIGHT JAY O

Role General Counsel, Secretary

Sold 53,000 shs ($56K)

Type	Security	Shares	Price	Value
Sale	Common Stock	35,000	$1.05	$37K
Sale	Common Stock	18,000	$1.055	$19K

Holdings After Transaction: Common Stock — 7,370,973 shares (Direct)

FAQ

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

What did the Castellum, Inc. (CTM) insider report in this Form 4?

The filing reports that a Castellum, Inc. director and officer sold common stock in two transactions and updated their remaining beneficial ownership.

How many Castellum (CTM) shares did the insider sell on 11/28/2025?

On 11/28/2025, the insider sold 18,000 shares of Castellum common stock at a price of $1.055 per share.

How many Castellum (CTM) shares did the insider sell on 12/01/2025?

On 12/01/2025, the insider sold 35,000 shares of Castellum common stock at a price of $1.05 per share.

How many Castellum (CTM) shares does the insider own after these transactions?

Following the reported sales, the insider beneficially owns 7,370,973 shares of Castellum common stock directly.

What is the insider’s relationship to Castellum, Inc. (CTM)?

The reporting person is a director, an officer (General Counsel and Secretary), and also holds an EVP - Strategy role with Castellum, Inc.

Does this Form 4 report any derivative securities for Castellum (CTM)?

No derivative securities such as options or warrants are reported as acquired or disposed of in the provided Table II section.

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

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Accepted by SEC EDGAR 12/02/2025 - 04:02 PM 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^*

WRIGHT JAY O

(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
X	Officer (give title below)	X	Other (specify below)
	General Counsel, Secretary		EVP - Strategy

3. Date of Earliest Transaction (Month/Day/Year)
11/28/2025

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
Common Stock	11/28/2025		S		18,000	D	$1.055	7,405,973	D
Common Stock	12/01/2025		S		35,000	D	$1.05	7,370,973	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

Explanation of Responses:

Remarks:

	/s/ Jay O. Wright	12/02/2025
	** 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.