Castellum, Inc.
CTMReported to SECin USCIK 0001877939Filings at SEC EDGAR
No score on this page, by design. Everything here is a fact from a public U.S. register: insider filings at the SEC (Form 4), lobbying filings under the Lobbying Disclosure Act, trades reported by members of Congress under the STOCK Act, and fund holdings in 13F filings. Our scores, percentiles and signals run on the Dutch register only, because that is the only register the model has been validated on.
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The most recent filings
Most recent filing first: every line of every Form 4 at this company that passed our review, the same lines as on the register. Reported is the day the filing reached the SEC, usually within two business days of the trade. Amounts are in U.S. dollars, as the form states them.
| Filed by | Type | Value | Reported | Filed by | Value | Type | Shares | Reported |
|---|---|---|---|---|---|---|---|---|
| MARTIN TAMMY LGeneral Counsel and Secretary | Open-market buy | $7471,396 shares | Oct 1, 2026 | MARTIN TAMMY LGeneral Counsel and Secretary | $747 | Open-market buy | 1,396 | Oct 1, 2026 |
| Bell David TChief Financial Officer | Open-market buy | $7471,396 shares | Oct 1, 2026 | Bell David TChief Financial Officer | $747 | Open-market buy | 1,396 | Oct 1, 2026 |
| Merriman AndrewChief Operating Officer | Open-market buy | $7471,396 shares | Oct 1, 2026 | Merriman AndrewChief Operating Officer | $747 | Open-market buy | 1,396 | Oct 1, 2026 |
| Ives Glen RPresident | Open-market buy | $9101,700 shares | Oct 1, 2026 | Ives Glen RPresident | $910 | Open-market buy | 1,700 | Oct 1, 2026 |
| Merriman AndrewChief Operating Officer | Open-market buy | $6,20010,000 shares | Sep 9, 2026 | Merriman AndrewChief Operating Officer | $6,200 | Open-market buy | 10,000 | Sep 9, 2026 |