Glen R. Ives - 01 Jul 2026 Form 4 Insider Report for Castellum, Inc. (CTM)

Reporting relationship: President, Chief Executive Officer
Issuer ticker: CTM
Reported as of: 01 Jul 2026
Net transaction value: +$772
SEC form: 4
Accepted by SEC: 02 Jul 2026, 16:05:00 UTC
Prior SEC filing: 27 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Glen R. Ives

Key filing fact

Glen R. Ives filed Form 4 for Castellum, Inc. (CTM) on 02 Jul 2026.

Key facts

This page summarizes Glen R. Ives's Form 4 filing for Castellum, Inc. (CTM).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 02 Jul 2026, 16:05.

Change

Previous filing in this sequence was filed on 27 Mar 2026.
Current net transaction value: +$772.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001947023 Primary reporting owner

Ives Glen R

Relationship: President, Chief Executive Officer
Address: 1934 OLD GALLOWS ROAD, SUITE 350, VIENNA
Signature: /s/ Glen R. Ives
Signature date: 02 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CTM transaction

Common Stock

Purchase

Transaction value: $772
Shares: +1,262
Change %: +0.63%
Price: $0.6120
Shares after: 200,878
Date: 01 Jul 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CTM transaction Derivative

Stock Options

Award

Transaction value
Shares: +773,630
Change %
Price
Shares after: 773,630
Date: 01 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 773,630
Exercise price: $0.7300
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Pursuant to the terms of the Castellum, Inc. 2025 Employee Stock Purchase Plan, the reporting person purchased 1,262 shares of common stock of the Registrant. The per share purchase price was calculated at a discount of fifteen percent to the closing price of the Registrant's common stock as quoted on the NYSE American LLC on June 30, 2026.

Footnote F2

In connection with the July 1, 2026 second amendment to his employment agreement dated July 1, 2024, Mr. Ives received 773,630 stock options issued pursuant to the Castellum, Inc. Third Amended 2021 Stock Incentive Plan to purchase 773,630 shares of common stock which vest ratably over eighteen months. The exercise price is the closing price of the Registrant's common stock as quoted on the NYSE American LLC on the date of grant.