Kerr Douglas (CIK 1814189) reported 9 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-17). Recent activity: Sell DYN (887 shares), Sell DYN (1,564 shares), Sell DYN (904 shares), Buy DYN (85,000 shares), Sell DYN (880 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-17 | Dyne Therapeutics, Inc. (DYN) | Chief Medical Officer | Sell | 887 | $16,259 |
| 2026-05-14 | Dyne Therapeutics, Inc. (DYN) | Chief Medical Officer | Sell | 1,564 | $28,715 |
| 2026-03-06 | Dyne Therapeutics, Inc. (DYN) | Chief Medical Officer | Sell | 904 | $13,470 |
| 2026-02-17 | Dyne Therapeutics, Inc. (DYN) | Chief Medical Officer | Buy | 85,000 | $0 |
| 2025-12-05 | Dyne Therapeutics, Inc. (DYN) | Chief Medical Officer | Sell | 880 | $18,234 |
| 2025-09-08 | Dyne Therapeutics, Inc. (DYN) | Chief Medical Officer | Sell | 3,552 | $47,135 |
| 2025-09-08 | Dyne Therapeutics, Inc. (DYN) | Chief Medical Officer | Sell | 873 | $11,707 |
| 2025-06-06 | Dyne Therapeutics, Inc. (DYN) | Chief Medical Officer | Sell | 1,342 | $17,916 |
| 2025-03-07 | Dyne Therapeutics, Inc. (DYN) | Chief Medical Officer | Sell | 1,343 | $15,888 |
Source: SEC Form 4 filings · as of 2026-06-17