SEC Form 4 · purchase transaction · filed Oct 1, 2026
MARTIN TAMMY L purchased $747 of Castellum, Inc.
MARTIN TAMMY L (General Counsel and Secretary) disclosed a purchase of 1,396 shares of Castellum, Inc. (CTM) at $0.54 per share on Oct 1, 2026, in a Form 4 filed with the SEC on Oct 1, 2026. Disclosed value $747. 4 distinct insiders disclosed purchases of Castellum, Inc. in the 7 days to Oct 1, 2026, within Flock's Form 4 coverage.
The filing, as filed
| Reporting insider | MARTIN TAMMY L |
|---|---|
| Role as filed | Officer (General Counsel and Secretary) |
| Company | Castellum, Inc. (CTM) |
| Security as filed | Common Stock |
| Transaction | Purchase (Form 4 transaction code P: open-market or private purchase) |
| Shares | 1,396 |
| Price per share | $0.54 (stated in a filing footnote, typically a weighted average) |
| Disclosed value | $747.14 ($747; quantity × the filing's stated price) |
| Trade date | Oct 1, 2026 |
| Filed with the SEC | Oct 1, 2026 |
Source: SEC EDGAR Form 4. Purchase transactions only (code P) — grants, option exercises and tax withholdings are different facts and are never shown as buys. Superseded filings are excluded. Coverage: the US issuers in Flock's Form 4 scope (securities mapped from institutional 13F holdings), not every SEC registrant.
Disclosures shown are public regulatory filings. Data may be delayed or incomplete. Smart-money entities may no longer hold positions shown. Not investment advice.
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