Updated Jul 16, 2026
MARTIN TAMMY L has filed 1 SEC Form 4 filing across 1 company in the last 90 days — buying. Lifetime open-market purchases: $736.

Tammy L. Martin is a legal professional currently serving as the General Counsel and Secretary at Castellum, Inc. She has experience in corporate law and governance, contributing to the legal framework and compliance of the company.
| Role | General Counsel and Secretary |
|---|---|
| Notability | 10/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-02 | CTM | Castellum, Inc. | P — Open-market purchase | 1.2K | $0.61 | $736 |
| 2026-03-31 | CTM | Castellum, Inc. | A — Grant or award | 1.3K | $0.45 | $604 |
Tammy L. Martin is a legal professional currently serving as the General Counsel and Secretary at Castellum, Inc. She has experience in corporate law and governance, contributing to the legal framework and compliance of the company.…
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 1 open-market purchases ($736) and 0 open-market sales () across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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