Insider tradingForm 4
Castellum, Inc. (CTM) Insider Trading
5 open-market trades reported since Sep 9, 2026: 5 purchases worth $34K and 0 sales worth $0.
By insider
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| Glen R. Ives | President | 1 | $910 | 0 | $0 |
| Andrew Merriman | COO | 2 | $32K | 0 | $0 |
| David T. Bell | CFO | 1 | $747 | 0 | $0 |
| Tammy L. Martin | General Counsel | 1 | $747 | 0 | $0 |
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All trades
| Filed | Insider | Type | Value | 3 mo. after |
|---|---|---|---|---|
| Oct 1 | Glen R. IvesPresident | ▲ BUY | $910 | |
| Oct 1 | Andrew MerrimanCOO | ▲ BUY | $747 | |
| Oct 1 | David T. BellCFO | ▲ BUY | $747 | |
| Oct 1 | Tammy L. MartinGeneral Counsel | ▲ BUY | $747 | |
| Sep 9 | Andrew MerrimanCOO | ▲ BUY | $31K |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings