Kerr Douglas
Insider CIK 1814189 · GBIO CHIEF MEDICAL OFFICER · DYN Head of R&D and CMO
Trades across companies
| Ticker | Code | Trade | Filed | Shares | Price | Value | Owned after | |
|---|---|---|---|---|---|---|---|---|
| DYN Dyne Therapeutics, Inc. | A Award deriv | 2026-10-20 | 2026-10-22 | 12,000 | — | $0 | 12,000 | SEC↗ |
| DYN Dyne Therapeutics, Inc. | A Award | 2026-10-20 | 2026-10-22 | 8,000 | — | $0 | 170,564 | SEC↗ |
| DYN Dyne Therapeutics, Inc. | S Sale | 2026-09-08 | 2026-09-08 | 1,290 | $18.88 | $24.4K | 162,564 | SEC↗ |
| DYN Dyne Therapeutics, Inc. | S Sale | 2026-09-08 | 2026-09-08 | 1,290 | $18.88 | $24.4K | 162,564 | SEC↗ |
| DYN Dyne Therapeutics, Inc. | S Sale | 2026-09-04 | 2026-09-08 | 3,745 | $24.35 | $91.2K | 163,854 | SEC↗ |
| DYN Dyne Therapeutics, Inc. | S Sale | 2026-09-04 | 2026-09-08 | 3,745 | $24.35 | $91.2K | 163,854 | SEC↗ |
| DYN Dyne Therapeutics, Inc. | S Sale | 2026-08-13 | 2026-08-17 | 1,556 | $26.28 | $40.9K | 167,599 | SEC↗ |
| DYN Dyne Therapeutics, Inc. | S Sale | 2026-08-13 | 2026-08-17 | 1,556 | $26.28 | $40.9K | 167,599 | SEC↗ |
| DYN Dyne Therapeutics, Inc. | S Sale | 2026-06-16 | 2026-06-17 | 887 | $18.33 | $16.3K | 169,155 | SEC↗ |
| DYN Dyne Therapeutics, Inc. | S Sale | 2026-05-13 | 2026-05-14 | 1,564 | $18.36 | $28.7K | 170,042 | SEC↗ |
| DYN Dyne Therapeutics, Inc. | S Sale | 2026-03-05 | 2026-03-06 | 904 | $14.90 | $13.5K | 171,606 | SEC↗ |
| DYN Dyne Therapeutics, Inc. | A Award deriv | 2026-02-12 | 2026-02-17 | 130,000 | — | $0 | 130,000 | SEC↗ |
| DYN Dyne Therapeutics, Inc. | A Award | 2026-02-12 | 2026-02-17 | 85,000 | — | $0 | 172,510 | SEC↗ |
| DYN Dyne Therapeutics, Inc. | S Sale | 2025-12-05 | 2025-12-05 | 880 | $20.72 | $18.2K | 87,510 | SEC↗ |
| DYN Dyne Therapeutics, Inc. | S Sale | 2025-09-05 | 2025-09-08 | 873 | $13.41 | $11.7K | 88,390 | SEC↗ |
| DYN Dyne Therapeutics, Inc. | S Sale | 2025-09-04 | 2025-09-08 | 3,552 | $13.27 | $47.1K | 89,263 | SEC↗ |
| DYN Dyne Therapeutics, Inc. | A Award deriv | 2025-07-16 | 2025-07-18 | 65,110 | — | $0 | 65,110 | SEC↗ |
| DYN Dyne Therapeutics, Inc. | S Sale | 2025-06-05 | 2025-06-06 | 1,342 | $13.35 | $17.9K | 92,815 | SEC↗ |
| DYN Dyne Therapeutics, Inc. | S Sale | 2025-03-05 | 2025-03-07 | 1,343 | $11.83 | $15.9K | 94,157 | SEC↗ |
| DYN Dyne Therapeutics, Inc. | A Award deriv | 2024-12-04 | 2024-12-06 | 76,600 | — | $0 | 76,600 | SEC↗ |
| DYN Dyne Therapeutics, Inc. | A Award | 2024-12-04 | 2024-12-06 | 48,000 | — | $0 | 95,500 | SEC↗ |
| DYN Dyne Therapeutics, Inc. | A Award deriv | 2024-09-03 | 2024-09-03 | 150,300 | — | $0 | 150,300 | SEC↗ |
| DYN Dyne Therapeutics, Inc. | A Award | 2024-09-03 | 2024-09-03 | 47,500 | — | $0 | 47,500 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise deriv | 2024-01-29 | 2024-01-31 | 5,021 | — | $0 | 0 | SEC↗ |
| GBIO Generation Bio Co. | F Tax w/h | 2024-01-29 | 2024-01-31 | 1,476 | $1.90 | $2.8K | 385,628 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise | 2024-01-29 | 2024-01-31 | 5,021 | — | $0 | 387,104 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise deriv | 2024-01-15 | 2024-01-17 | 7,437 | — | $0 | 7,437 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise deriv | 2024-01-15 | 2024-01-17 | 6,694 | — | $0 | 20,081 | SEC↗ |
| GBIO Generation Bio Co. | F Tax w/h | 2024-01-15 | 2024-01-17 | 2,577 | $1.91 | $4.9K | 377,709 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise | 2024-01-15 | 2024-01-17 | 6,694 | — | $0 | 384,403 | SEC↗ |
| GBIO Generation Bio Co. | F Tax w/h | 2024-01-15 | 2024-01-17 | 2,320 | $1.91 | $4.4K | 382,083 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise | 2024-01-15 | 2024-01-17 | 7,437 | — | $0 | 380,286 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise deriv | 2023-10-15 | 2023-10-17 | 7,437 | — | $0 | 7,437 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise | 2023-10-15 | 2023-10-17 | 7,437 | — | $0 | 372,587 | SEC↗ |
| GBIO Generation Bio Co. | F Tax w/h | 2023-10-15 | 2023-10-17 | 2,183 | $3.24 | $7.1K | 370,404 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise deriv | 2023-07-15 | 2023-07-18 | 7,437 | — | $0 | 14,874 | SEC↗ |
| GBIO Generation Bio Co. | F Tax w/h | 2023-07-15 | 2023-07-18 | 2,183 | $5.08 | $11.1K | 365,150 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise | 2023-07-15 | 2023-07-18 | 7,437 | — | $0 | 367,333 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise deriv | 2023-04-15 | 2023-04-18 | 7,437 | — | $0 | 22,311 | SEC↗ |
| GBIO Generation Bio Co. | F Tax w/h | 2023-04-15 | 2023-04-18 | 2,183 | $4.50 | $9.8K | 356,780 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise | 2023-04-15 | 2023-04-18 | 7,437 | — | $0 | 358,963 | SEC↗ |
| GBIO Generation Bio Co. | A Award deriv | 2023-01-20 | 2023-01-24 | 53,550 | — | $0 | 53,550 | SEC↗ |
| GBIO Generation Bio Co. | A Award deriv | 2023-01-20 | 2023-01-24 | 26,775 | — | $0 | 26,775 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise deriv | 2023-01-15 | 2023-01-18 | 7,438 | — | $0 | 29,748 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise | 2023-01-15 | 2023-01-18 | 7,438 | — | $0 | 354,104 | SEC↗ |
| GBIO Generation Bio Co. | F Tax w/h | 2023-01-15 | 2023-01-18 | 2,578 | $5.10 | $13.1K | 351,526 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise deriv | 2022-10-15 | 2022-10-18 | 7,438 | — | $0 | 37,186 | SEC↗ |
| GBIO Generation Bio Co. | F Tax w/h | 2022-10-15 | 2022-10-18 | 2,184 | $5.61 | $12.3K | 344,801 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise | 2022-10-15 | 2022-10-18 | 7,438 | — | $0 | 346,985 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise deriv | 2022-07-15 | 2022-07-19 | 14,876 | — | $0 | 44,624 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise | 2022-07-15 | 2022-07-19 | 14,876 | — | $0 | 343,914 | SEC↗ |
| GBIO Generation Bio Co. | F Tax w/h | 2022-07-15 | 2022-07-19 | 4,367 | $7.18 | $31.4K | 339,547 | SEC↗ |
| GBIO Generation Bio Co. | A Award deriv | 2022-01-21 | 2022-01-25 | 119,000 | — | $0 | 119,000 | SEC↗ |
| GBIO Generation Bio Co. | A Award deriv | 2022-01-21 | 2022-01-25 | 59,500 | — | $0 | 59,500 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise deriv | 2021-07-08 | 2021-07-12 | 3,518 | — | $0 | 38,699 | SEC↗ |
| GBIO Generation Bio Co. | S Sale | 2021-07-08 | 2021-07-12 | 1,629 | $24.99 | $40.7K | 328,447 | SEC↗ |
| GBIO Generation Bio Co. | S Sale | 2021-07-08 | 2021-07-12 | 1,889 | $25.39 | $48.0K | 326,558 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise | 2021-07-08 | 2021-07-12 | 3,518 | $5.16 | $18.2K | 330,076 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise deriv | 2021-04-05 | 2021-04-07 | 14,072 | — | $0 | 42,217 | SEC↗ |
| GBIO Generation Bio Co. | S Sale | 2021-04-05 | 2021-04-07 | 3,321 | $30.68 | $101.9K | 326,558 | SEC↗ |
| GBIO Generation Bio Co. | S Sale | 2021-04-05 | 2021-04-07 | 10,751 | $29.91 | $321.6K | 329,879 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise | 2021-04-05 | 2021-04-07 | 14,072 | $5.16 | $72.6K | 340,630 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise deriv | 2021-03-05 | 2021-03-09 | 11,267 | — | $0 | 89,959 | SEC↗ |
| GBIO Generation Bio Co. | S Sale | 2021-03-05 | 2021-03-09 | 2,677 | $29.68 | $79.5K | 335,148 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise | 2021-03-05 | 2021-03-09 | 11,267 | $4.59 | $51.7K | 337,825 | SEC↗ |
| GBIO Generation Bio Co. | S Sale | 2021-03-05 | 2021-03-09 | 2,500 | $30.92 | $77.3K | 332,648 | SEC↗ |
| GBIO Generation Bio Co. | S Sale | 2021-03-05 | 2021-03-09 | 4,315 | $31.87 | $137.5K | 328,333 | SEC↗ |
| GBIO Generation Bio Co. | S Sale | 2021-03-05 | 2021-03-09 | 775 | $32.97 | $25.6K | 327,558 | SEC↗ |
| GBIO Generation Bio Co. | S Sale | 2021-03-05 | 2021-03-09 | 400 | $33.75 | $13.5K | 327,158 | SEC↗ |
| GBIO Generation Bio Co. | S Sale | 2021-03-05 | 2021-03-09 | 500 | $34.77 | $17.4K | 326,658 | SEC↗ |
| GBIO Generation Bio Co. | S Sale | 2021-03-05 | 2021-03-09 | 100 | $35.58 | $3.6K | 326,558 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise deriv | 2021-02-08 | 2021-02-10 | 11,267 | — | $0 | 101,226 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise | 2021-02-08 | 2021-02-10 | 11,267 | $4.59 | $51.7K | 337,825 | SEC↗ |
| GBIO Generation Bio Co. | S Sale | 2021-02-08 | 2021-02-10 | 7,500 | $33.01 | $247.6K | 330,325 | SEC↗ |
| GBIO Generation Bio Co. | S Sale | 2021-02-08 | 2021-02-10 | 3,767 | $34.08 | $128.4K | 326,558 | SEC↗ |
| GBIO Generation Bio Co. | A Award deriv | 2021-01-22 | 2021-02-05 | 73,500 | — | $0 | 73,500 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise deriv | 2021-01-11 | 2021-01-13 | 11,267 | — | $0 | 112,493 | SEC↗ |
| GBIO Generation Bio Co. | S Sale | 2021-01-11 | 2021-01-13 | 6,246 | $27.17 | $169.7K | 331,579 | SEC↗ |
| GBIO Generation Bio Co. | S Sale | 2021-01-11 | 2021-01-13 | 4,721 | $28.05 | $132.4K | 326,858 | SEC↗ |
| GBIO Generation Bio Co. | S Sale | 2021-01-11 | 2021-01-13 | 300 | $28.80 | $8.6K | 326,558 | SEC↗ |
| GBIO Generation Bio Co. | M Exercise | 2021-01-11 | 2021-01-13 | 11,267 | $4.59 | $51.7K | 337,825 | SEC↗ |