Fuller Mark C (CIK 1944544) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-09-03). Recent activity: Sell CTM (500,000 shares), Sell CTM (500,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-09-03 | Castellum, Inc. (CTM) | Insider | Sell | 500,000 | $560,000 |
| 2025-05-20 | Castellum, Inc. (CTM) | Director | Sell | 500,000 | $525,000 |
Source: SEC Form 4 filings · as of 2025-09-03