Brian S. Posner, Director at ARCH CAPITAL GROUP LTD. (ACGL), bought 1,000 shares at $17.34 ($17K) on 2025-08-01, disclosed to the SEC on 2025-08-04.
Open-market purchase of $17k ACGL by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade B.
Nothing distinguishes this filing.
| Filing → |
| ACGL | SELL | 2026-06-04 | $59K | — | Filing → |
| DYN | BUY | 2026-05-28 | $36K | — | Filing → |
| DYN | BUY | 2026-05-22 | $43K | — | Filing → |