| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Dyne Therapeutics, Inc. (DYN) has 7 insiders with recent SEC Form 4 filings, including 1 buy and 11 sells. DYN is classified in the Biotechnology industry within the Health Care sector.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| Dir | 5.28M | $136.53M | - | |
| Dir | 4.10M | $106.08M | - | |
| CEO | 368.2K | $9.53M | - | |
| Other | 169.2K | $4.38M | - | |
| Other | 154.2K | $3.99M | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 5, 2025 | Kerr Douglas59 | Chief Medical Officer | Sell | 880 | $20.72 | $18,233.60 | -1.0% | -25.0% | - | |
| Dec 5, 2025 | Friedl-Naderer Johanna48 | Chief Commercial Officer | Sell | 144 | $20.72 | $2,983.68 | -0.2% | -25.0% | - | |
| Sep 5, 2025 | Cox John | CEO &President | Sell | 2,640 | $13.41 | $35,402.40 | -1.3% | +45.2% | - | |
| Sep 5, 2025 | Kerr Douglas59 | Chief Medical Officer | Sell | 4,425 | $13.30 | $58,841.97 | -2.4% | +45.2% | - | |
| Sep 5, 2025 | Friedl-Naderer Johanna48 | Chief Commercial Officer | Sell | 1,038 | $13.29 | $13,794.42 | -0.5% | +45.2% | - | |
| Jul 14, 2025 | Cox John | CEO &President | Buy | 100,000 | $9.11 | $911,000.00 | +70.3% | +57.5% | +166.9% | |
| Jun 5, 2025 | Cox John | CEO &President | Sell | 4,060 | $13.35 | $54,201.00 | -2.8% | -3.6% | +21.8% | |
| Jun 5, 2025 | Kerr Douglas59 | Chief Medical Officer | Sell | 1,342 | $13.35 | $17,915.70 | -1.4% | -3.6% | +21.8% | |
| Jun 5, 2025 | Friedl-Naderer Johanna48 | Chief Commercial Officer | Sell | 146 | $13.35 | $1,949.10 | -0.2% | -3.6% | +21.8% | |
| Mar 13, 2025 | Friedl-Naderer Johanna48 | Chief Commercial Officer | Sell | 143 | $12.12 | $1,733.16 | -0.1% | +22.6% | +50.8% |