Brian S. Posner, Director at Dyne Therapeutics, Inc. (DYN), bought 2,000 shares at $17.08 ($34K) on 2026-03-30, disclosed to the SEC on 2026-04-01.
Open-market purchase of $34k DYN 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 C.
Something here stands out, but not much.
| Filing → |
| ACGL | SELL | 2026-06-04 | $59K | — | Filing → |
| DYN | BUY | 2026-05-28 | $36K | — | Filing → |
| DYN | BUY | 2026-05-22 | $43K | — | Filing → |