| 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 |
|---|---|---|---|---|---|---|---|---|---|
Chief Medical Officer | Chief Medical Officer
2 companies
Kerr Douglas is a Chief Medical Officer at Generation Bio Co. with holdings across 2 companies. Recent SEC Form 4 filings include 0 buys and 21 sells.
Estimated insider holdings value: $2.3M based on current market prices.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 5, 2025 | DYN Dyne Therapeutics, Inc. | Chief Medical Officer | Sell | 880 | $20.72 | $18,233.60 | -1.0% | -25.0% | - | |
| Sep 5, 2025 | DYN Dyne Therapeutics, Inc. | Chief Medical Officer | Sell | 4,425 | $13.30 | $58,841.97 | -2.4% | +45.2% | - | |
| Jun 5, 2025 | DYN Dyne Therapeutics, Inc. | Chief Medical Officer | Sell | 1,342 | $13.35 | $17,915.70 | -1.4% | -3.6% | - | |
| Mar 5, 2025 | DYN Dyne Therapeutics, Inc. | Chief Medical Officer | Sell | 1,343 | $11.83 | $15,887.69 | -1.4% | +8.9% | +24.8% | |
| Jul 8, 2021 | GBIO Generation Bio Co. | Chief Medical Officer | Sale+OE | 3,518 | $25.20 | $88,670.42 | -0.5% | -8.9% | -70.9% | |
| Apr 5, 2021 | GBIO Generation Bio Co. | Chief Medical Officer | Sale+OE | 14,072 | $30.09 | $423,450.69 | -2.1% | -17.7% | -71.5% | |
| Mar 5, 2021 | GBIO Generation Bio Co. | Chief Medical Officer | Sale+OE | 11,267 | $31.44 | $354,267.16 | -0.5% | - | - | |
| Feb 8, 2021 | GBIO Generation Bio Co. | Chief Medical Officer | Sale+OE | 11,267 | $33.37 | $375,954.36 | -1.7% | - | - | |
| Jan 11, 2021 | GBIO Generation Bio Co. | Chief Medical Officer | Sale+OE | 11,267 | $27.58 | $310,767.87 | -1.1% | - | - |