CTM executive-director files Form 4 for $1.15 share sales

Rhea-AI Filing Summary

Castellum, Inc. (CTM) reported insider share sales by a senior executive and director. The reporting person, who serves as General Counsel, Secretary and EVP - Strategy and is also a director and other related person, filed a Form 4 as an individual filer. On 11/14/2025, they sold 90,000 shares of common stock at $1.15 per share, and on 11/17/2025 they sold an additional 10,000 shares at $1.156 per share, both coded as open-market sales (transaction code "S").

After these transactions, the reporting person beneficially owned 7,423,973 shares of Castellum common stock in direct form. The form includes a checkbox to indicate that a transaction was made pursuant to a Rule 10b5-1(c) trading plan intended to satisfy affirmative defense conditions, though no additional explanatory remarks are provided.

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)
11/14/2025

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	11/14/2025		S		90,000	D	$1.15	7,433,973	D
Common Stock	11/17/2025		S		10,000	D	$1.156	7,423,973	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	11/18/2025
	** 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.

FAQ

What insider transaction did Castellum, Inc. (CTM) report on this Form 4?

The Form 4 reports that a Castellum insider sold 90,000 shares of common stock on 11/14/2025 at $1.15 per share and 10,000 shares on 11/17/2025 at $1.156 per share, both classified as open-market sales (code "S").

Who is the reporting person in the Castellum (CTM) Form 4 and what is their role?

The reporting person is identified as a Director, Officer, and Other related person of Castellum. Their officer titles are General Counsel, Secretary, and EVP - Strategy.

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

Following the reported transactions, the insider beneficially owns 7,423,973 shares of Castellum common stock, held in direct ownership form.

Were any derivative securities reported in this Castellum (CTM) Form 4?

No derivative securities, such as options, warrants, or convertible instruments, are listed as acquired, disposed of, or beneficially owned in Table II of this Form 4.

What was the earliest transaction date reported on this Castellum (CTM) Form 4?

The earliest transaction date reported is 11/14/2025, which aligns with the first sale of 90,000 shares of Castellum common stock.

Is there an indication of a Rule 10b5-1 trading plan on this Castellum Form 4?

The form includes a checkbox to indicate if a transaction was made pursuant to a Rule 10b5-1(c) contract, instruction, or written plan intended to satisfy the rule’s affirmative defense conditions, though no additional remarks are provided in the excerpt.

Is this Castellum (CTM) Form 4 filed by one or multiple reporting persons?

The filing indicates that it is a Form filed by One Reporting Person, not a joint or group filing.