Andrew Merriman, Chief Operating Officer at Castellum, Inc. (CTM), bought 50,000 shares at $0.62 ($31K) on 2026-09-09, disclosed to the SEC on 2026-09-09.
Castellum COO Andrew Merriman purchased $24,772 of stock at $0.62, marking the largest insider purchase in the company's history. This significant buy by C-suite leadership suggests the executive team views the current valuation as attractive following a sharp 45% year-to-date decline.
The stock is trading near its 52-week low of $0.48, down 53.73% from the high of $1.36, and has recently rallied 8.69% over the last 5 days despite a 9.15% drop over the past 90 days.
1) Record Q2 revenue of $28.2 million (up 10% YoY) reported on August 9, 2026; 2) A $4M U.S. Navy subcontract awarded on June 24, 2026; 3) A $66.2M five-year prime contract secured on November 3, 2025.
The stock is currently trading at a forward P/E of 59.99, and short interest represents 6.63% of the float, indicating a level of skepticism that could pressure the shares in the near term.
Something here stands out, but not much.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $0.62 | 40,000 | $25K | 80.0% |
| 2 | $0.62 | 10,000 | $6K | 20.0% |
| Total | $0.62 avg | 50,000 | $31K | 100% |
| Filing → |
| CTM | BUY | 2026-03-27 | $3K | — | Filing → |
| CTM | BUY | 2026-03-18 | $5K | — | Filing → |