Merriman Andrew — SEC Form 4 filings
SEC reporting owner CIK 2036177. 7 Form 4 filings on record with FilingPulse; latest filed 2026-09-09.
Transaction summary — filings shown
Covers all 7 filings on record, filed 2025-01-24 to 2026-09-09. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 5 legs across 4 filings — 56,202 shares, $35,388 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 3.
- Largest priced transaction: purchase of 40,000 shares @ $0.62 ($24,772) in Castellum, Inc., filed 2026-09-09.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Castellum, Inc. (CTM) | Chief Operating Officer | 7 | 5 legs · 56,202 sh · $35,388 | — | 3 |
Form 4 filings — Merriman Andrew
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-09 | 4 | Castellum, Inc. (CTM) | Purchase (P): 40,000 @ $0.62 · Purchase (P): 10,000 @ $0.62 | EDGAR |
| 2026-07-02 | 4 | Castellum, Inc. (CTM) | Purchase (P): 1,202 @ $0.61 | EDGAR |
| 2026-03-31 | 4 | Castellum, Inc. (CTM) | Grant/award (A): 1,329 @ $0.45 | EDGAR |
| 2026-03-27 | 4 | Castellum, Inc. (CTM) | Purchase (P): 2,000 @ $0.64 | EDGAR |
| 2026-03-18 | 4 | Castellum, Inc. (CTM) | Purchase (P): 3,000 @ $0.80 | EDGAR |
| 2025-11-13 | 4 | Castellum, Inc. (CTM) | Grant/award (A): 275,000 (derivative) @ $0 | EDGAR |
| 2025-01-24 | 4 | Castellum, Inc. (CTM) | Grant/award (A): 325,000 (derivative) @ $1.07 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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