Brian S. Posner, Director at Dyne Therapeutics, Inc. (DYN), bought 2,000 shares at $19.35 ($39K) on 2026-03-11, disclosed to the SEC on 2026-03-13.
Open-market purchase of $39k 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 B.
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 → |