Andrew Merriman - 11 Nov 2025 Form 4 Insider Report for Castellum, Inc. (CTM)

Role
Chief Operating Officer
Signature
/s/ Andrew Merriman
Issuer symbol
CTM
Transactions as of
11 Nov 2025
Transactions value $
$0
Form type
4
Filing time
13 Nov 2025, 06:52:35 UTC
Previous filing
24 Jan 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Merriman Andrew Chief Operating Officer 1934 OLD GALLOWS ROAD, SUITE 350, VIENNA /s/ Andrew Merriman 13 Nov 2025 0002036177

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction CTM Stock Options Award $0 +275K $0.00 275K 11 Nov 2025 Common Stock 275K $1.19 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 In connection with his continued employment, on November 11, 2025 Mr. Merriman received 275,000 stock options issued pursuant to the Castellum, Inc. Second Amended 2021 Stock Incentive Plan to purchase 275,000 shares of common stock, which vest ratably over twenty months, commencing December 1, 2025.