Andrew Merriman is COO at Castellum, Inc. (CTM). They have made 5 open-market trades across 1 company since 2026, most recently 2026-10-01.
CIK 0002036177
5 open-market purchases totalling $40K since 2026, never a sale. Across 5 scored buys the stock is down 5.8% at seven days, and 7.1 points behind the S&P over the same stretch.
5 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| CTM | 589,927 | $337K |
Shares reported on the most recent Form 4, priced at the 2026-10-01 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 40% | — | — |
| Avg Move | -5.8% | — | — |
| Alpha | -7.1% | — | — |
| Scored | 5 | 4 | 3 |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.