Kerr Douglas
- SEC CIK
- 0001814189
In the past year, 6 open-market sale filings worth $233.1K and no purchases.
Current role at each company
- DYN Dyne Therapeutics, Inc.Chief Medical Officeras of Sep 8, 2026
- GBIO Generation Bio Co.CHIEF MEDICAL OFFICERas of Jan 31, 2024
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- $233.1K
- 6 filings
- Net
- −$233.1K
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Kerr Douglas as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
DYN Dyne Therapeutics, Inc.
Chief Medical Officer9 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 8, 2026 (view filing)4:14 PM ET | Sep 4-8 | 4 days | Kerr DouglasChief Medical Officer | SSale | −5.04K | $22.95 | −$115.5K | −3.0%162.6K after | 2 lots10b5-1 |
| Aug 17, 2026 (view filing)4:08 PM ET | Aug 13 | 4 days | Kerr DouglasChief Medical Officer | SSale | −1.56K | $26.28 | −$40.9K | −0.9%167.6K after | 10b5-1 |
| Jun 17, 2026 (view filing) | Jun 16 | 1 day | Kerr DouglasChief Medical Officer | SSale | −887 | $18.33 | −$16.3K | −0.5%169.2K after | 10b5-1 |
| May 14, 2026 (view filing) | May 13 | 1 day | Kerr DouglasChief Medical Officer | SSale | −1.56K | $18.36 | −$28.7K | −0.9%170.0K after | 10b5-1 |
| Mar 6, 2026 (view filing) | Mar 5 | 1 day | Kerr DouglasChief Medical Officer | SSale | −904 | $14.90 | −$13.5K | −0.5%171.6K after | 10b5-1 |
| Dec 5, 2025 (view filing) | Dec 5 | Same day | Kerr DouglasChief Medical Officer | SSale | −880 | $20.72 | −$18.2K | −1.0%87.5K after | 10b5-1 |
| Sep 8, 2025 (view filing) | Sep 4-5 | 4 days | Kerr DouglasChief Medical Officer | SSale | −4.42K | $13.30 | −$58.8K | −4.8%88.4K after | 2 lots10b5-1 |
| Jun 6, 2025 (view filing) | Jun 5 | 1 day | Kerr DouglasChief Medical Officer | SSale | −1.34K | $13.35 | −$17.9K | −1.4%92.8K after | 10b5-1 |
| Mar 7, 2025 (view filing) | Mar 5 | 2 days | Kerr DouglasChief Medical Officer | SSale | −1.34K | $11.83 | −$15.9K | −1.4%94.2K after | 10b5-1 |
GBIO Generation Bio Co.
CHIEF MEDICAL OFFICER1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 12, 2021 (view filing) | Jul 8 | 4 days | Kerr DouglasCHIEF MEDICAL OFFICER | SSale | −3.52K | $25.20 | −$88.7K | −1.1%326.6K after | 2 lots |