Castellum (CTM) director reports sale of 30,000 common shares

Rhea-AI Filing Summary

Castellum, Inc. director and executive officer Jay O. Wright reported a personal stock transaction involving the company’s common shares. On 12/19/2025, he sold 30,000 shares of Castellum common stock at a price of $1.05 per share. After this sale, he beneficially owned 7,134,973 shares directly. This filing reflects an insider’s change in ownership and does not represent a transaction by the company itself.

Insider Trade Summary

Net Seller: 30,000 shares

Net Sell 1 txn

Insider WRIGHT JAY O

Role General Counsel, Secretary

Sold 30,000 shs ($32K)

Type	Security	Shares	Price	Value
Sale	Common Stock	30,000	$1.05	$32K

Holdings After Transaction: Common Stock — 7,134,973 shares (Direct)

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 12/22/2025 - 04:02 PM Learn about SEC filing dates

FAQ

What insider transaction did Castellum (CTM) report in this Form 4?

The filing shows that Jay O. Wright sold 30,000 shares of Castellum, Inc. common stock on 12/19/2025 at a price of $1.05 per share.

Who is the reporting person in the Castellum (CTM) Form 4 filing?

The reporting person is Jay O. Wright, who is listed as a Director, Officer (General Counsel and Secretary), and EVP - Strategy of Castellum, Inc.

How many Castellum (CTM) shares does the insider own after the reported sale?

After the transaction, Jay O. Wright beneficially owned 7,134,973 shares of Castellum, Inc. common stock, held in direct ownership form.

What was the transaction price for the Castellum (CTM) insider sale?

The 30,000 shares of Castellum, Inc. common stock were sold at a price of $1.05 per share, as reported in the Form 4.

What type of securities are covered in this Castellum (CTM) Form 4?

The filing reports a transaction in common stock of Castellum, Inc. in Table I - Non-Derivative Securities. No derivative securities transactions are listed in Table II.

Is the Castellum (CTM) Form 4 filed for one reporting person or a group?

The form is indicated as being filed by one reporting person, referring to Jay O. Wright.

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)
12/19/2025

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	12/19/2025		S		30,000	D	$1.05	7,134,973	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	12/22/2025
	** 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.