Bell David T (CIK 1944338) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-02). Recent activity: Buy CTM (1,202 shares), Buy CTM (1,329 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-02 | Castellum, Inc. (CTM) | Chief Financial Officer | Buy | 1,202 | $736 |
| 2026-03-31 | Castellum, Inc. (CTM) | Chief Financial Officer | Buy | 1,329 | $598 |
Source: SEC Form 4 filings · as of 2026-07-02