John Cox, CEO & President at Dyne Therapeutics, Inc. (DYN), sold 5,324 shares at $20.72 ($110K) on 2025-12-05, disclosed to the SEC on 2025-12-05.
Scheduled sale ($110k) by CEO & President under a pre-arranged 10b5-1 plan. Pre-set trade — not a discretionary signal on the stock.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $20.72 | 2,662 | $55K | 50.0% |
| 2 | $20.72 | 2,662 | $55K | 50.0% |
| Total | $20.72 avg | 5,324 | $110K | 100% |
| Filing → |
| DYN | SELL | 2026-06-17 | $49K | — | Filing → |
| DYN | SELL | 2026-05-14 | $61K | — | Filing → |
| DYN | SELL | 2026-03-06 | $41K | — | Filing → |