SEC Form 4 · accession 0001877939-26-000079
Castellum, Inc. · CTM
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Andrew Merriman
Officer — Chief Operating Officer
Period of report
Sep 9, 2026
Accepted (ET)
Sep 9, 2026 · 4:02 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 Stock | Sep 9, 2026 | P | 40,000 | $0.6193 | A | 578,531 | D | |
| Common Stock | Sep 9, 2026 | P | 10,000 | $0.62 | A | 588,531 | D |
Table II — derivative securities
No Table II lines on this filing.