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% | |
| Jul 1, 2026 PForm 4 → | Jul 2, 4:07 pm EDT | Andrew MerrimanChief Operating Officer | 1,202 | $0.612 | $736 | 538,531 | +0.22% | |
| Jul 1, 2026 PForm 4 → | Jul 2, 4:06 pm EDT | David T BellChief Financial Officer | 1,202 | $0.612 | $736 | 17,255 | +7.49% | |
| Jul 1, 2026 PForm 4 → | Jul 2, 4:05 pm EDT | Tammy L MartinGeneral Counsel and Secretary | 1,202 | $0.612 | $736 | 15,031 | +8.69% | |
| Jul 1, 2026 PForm 4 → | Jul 2, 4:05 pm EDT | Glen R IvesPresident | 1,262 | $0.612 | $772 | 200,878 | +0.63% |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jul 1, 2026 AForm 4 → | Jul 2, 4:05 pm EDT | Glen R IvesPresident | 773,630 | — | — | 773,630 | — |