Open Insider Trading Activity for Dyne Therapeutics, Inc. CEO & President Cox John
31-day price and insider activity (up to 2 years)
Daily candles with triangles for the buy and sale transactions shown below. Scroll left or zoom out to load earlier candles (up to 2 years).
▲ Insider buy
▼ Insider sale
Loading daily price history…
Charting by TradingView Lightweight Charts
| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10b5-1: Scheduled Form 4 Transaction DYN | 2026-09-08 | 2026-09-08 | Dyne Therapeutics, Inc. | Cox John | CEO & President | Sell | 1 | 5,658 | $18.88 | $106,823.04 | 1.56% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction DYN | 2026-05-14 | 2026-05-13 | Dyne Therapeutics, Inc. | Cox John | CEO & President | Sell | 1 | 3,311 | $18.36 | $60,789.96 | 0.88% | View Filing |