Company · CIK 0001877939 · SIC 8742 — Services-Management Consulting Services · NYSE
Castellum, Inc. · CTM
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 9, 2026 PForm 4 → | Sep 9, 4:02 pm EDT | Andrew MerrimanChief Operating Officer | 50,000 | $0.6194 | $30,972 | 588,531 | +9.28% |
Reported at this company — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.