SEC Form 4 Reporting Owner · CIK 0002036177
Andrew Merriman
COO at Castellum Inc
Bought (12 mo)
+$36.1K
Sold (12 mo)
—
Form 4 Filings
8
Companies
1
Filing Activity
2026-10-01
first filed 2025-01-24
Trading record
Open-market buys
+$36.1K
5 filings
Open-market sales
—
0 filings
Sales under a 10b5-1 plan
—
No open-market sales
Companies
| Company | Role | Filings | Bought | Sold | Net | Holding after latest filing |
|---|---|---|---|---|---|---|
| CTMCastellum Insider trading | COO | 8 | 57,598 | — | +57,598 | 589,927 2026-10-01 |
Common-stock shares bought and sold on the open market, as reported on Form 4. The holding is what the latest filing at each company reported owning after its transactions.