John Cox, CEO & President at Dyne Therapeutics, Inc. (DYN), sold 2,640 shares at $13.41 ($35K) on 2025-09-05, disclosed to the SEC on 2025-09-09.
Scheduled sale ($35k) by CEO & President under a pre-arranged 10b5-1 plan. Pre-set trade — not a discretionary signal on the stock.
Negative factors outweigh the positive ones.
| Filing → |
| DYN | SELL | 2026-06-17 | $49K | — | Filing → |
| DYN | SELL | 2026-05-14 | $61K | — | Filing → |
| DYN | SELL | 2026-03-06 | $41K | — | Filing → |