CTM: Castellum, Inc. insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
4 open-market buys totaling $3K and 0 sales totaling - in the last 180 days.
Insider buys
| Score | Ticker | Company | Insider | Role | Trade date | Value | Holding + | Cluster |
|---|---|---|---|---|---|---|---|---|
| 21 | CTM | Castellum, Inc. | Martin Tammy L | Officer | 2026-10-01 | $747 | 9% | 4 insiders |
| 24 | CTM | Castellum, Inc. | Bell David T | CFO | 2026-10-01 | $747 | 8% | 4 insiders |
| 20 | CTM | Castellum, Inc. | Merriman Andrew | Officer | 2026-10-01 | $747 | 0% | 4 insiders |
| 23 | CTM | Castellum, Inc. | Ives Glen R | President | 2026-10-01 | $910 | 1% | 4 insiders |
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