SEC Form 4 · accession 0001877939-26-000060
Castellum, Inc. · CTM
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
David T Bell
Officer — Chief Financial Officer · Other
Period of report
Jul 1, 2026
Accepted (ET)
Jul 2, 2026 · 4:06 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001877939
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Jul 1, 2026 | P | 1,202 | $0.612 | A | 17,255 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Pursuant to the terms of the Castellum, Inc. 2025 Employee Stock Purchase Plan, the reporting person purchased 1,202 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.