Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2023-12-01 Purchase |
2023-12-05 4:30 pm |
Generation Bio Co. | GBIO | Nicholson Donald William Director |
100,000 | $1.44 | $144,000 | 213,576 (Direct) |
View |
2022-03-09 Purchase |
2022-03-11 4:53 pm |
Generation Bio Co. | GBIO | Nicholson Donald William Director |
10,419 | $4.7276 | $49,257 | 113,576 (Direct) |
View |
2021-01-11 Purchase |
2021-01-13 4:05 pm |
Generation Bio Co. | GBIO | Nicholson Donald William Director |
4,081 | $24.5 | $99,985 | 103,157 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2024-06-12 Option Award |
2024-06-14 4:15 pm |
N/A 2034-06-11 |
Disc Medicine Inc. | IRON | Nicholson Donald William Director |
10,000 | $0 | 10,000 (Direct) |
View |
2024-06-06 Option Award |
2024-06-10 4:05 pm |
N/A 2034-06-05 |
Generation Bio Co. | GBIO | Nicholson Donald William Director |
60,000 | $0 | 60,000 (Direct) |
View |
2023-06-08 Option Award |
2023-06-12 4:15 pm |
N/A 2033-06-07 |
Generation Bio Co. | GBIO | Nicholson Donald William Director |
25,000 | $0 | 25,000 (Direct) |
View |
2023-06-09 Option Award |
2023-06-09 6:24 pm |
N/A 2033-06-08 |
Disc Medicine Inc. | IRON | Nicholson Donald William Director |
7,136 | $0 | 7,136 (Direct) |
View |
2022-12-29 Option Award |
2023-01-03 5:22 pm |
N/A 2032-12-28 |
Disc Medicine Inc. | IRON | Nicholson Donald William Director |
7,000 | $0 | 7,000 (Direct) |
View |
Ownership |
2023-01-03 5:00 pm |
N/A N/A |
Disc Medicine Inc. | IRON | Nicholson Donald William Director |
0 | $0 | 136,794 (Direct) |
View |
2022-06-15 Option Award |
2022-06-16 4:06 pm |
N/A 2032-06-14 |
Kymera Therapeutics Inc. | KYMR | Nicholson Donald William Director |
12,000 | $0 | 12,000 (Direct) |
View |
2022-06-09 Option Award |
2022-06-13 4:05 pm |
N/A 2032-06-08 |
Generation Bio Co. | GBIO | Nicholson Donald William Director |
19,200 | $0 | 19,200 (Direct) |
View |
2021-06-16 Option Award |
2021-06-17 4:51 pm |
N/A 2031-06-15 |
Kymera Therapeutics Inc. | KYMR | Nicholson Donald William Director |
20,063 | $0 | 20,063 (Direct) |
View |
2021-06-09 Option Award |
2021-06-11 4:10 pm |
N/A 2031-06-08 |
Generation Bio Co. | GBIO | Nicholson Donald William Director |
15,000 | $0 | 15,000 (Direct) |
View |
2020-08-20 Option Award |
2020-08-21 6:28 pm |
N/A 2030-08-19 |
Kymera Therapeutics Inc. | KYMR | Nicholson Donald William Director |
40,127 | $0 | 40,127 (Direct) |
View |
Ownership |
2020-08-20 8:35 pm |
N/A N/A |
Kymera Therapeutics Inc. | KYMR | Nicholson Donald William Director |
0 | $0 | 90,457 (Direct) |
View |
2020-06-16 Conversion |
2020-06-18 5:31 pm |
N/A N/A |
Generation Bio Co. | GBIO | Nicholson Donald William Director |
156,615 | $0 | 99,076 (Direct) |
View |
2020-06-11 Option Award |
2020-06-15 5:28 pm |
N/A 2030-06-10 |
Generation Bio Co. | GBIO | Nicholson Donald William Director |
52,000 | $0 | 52,000 (Direct) |
View |
Ownership |
2020-06-11 8:40 pm |
N/A N/A |
Generation Bio Co. | GBIO | Nicholson Donald William Director |
0 | $0 | 99,076 (Direct) |
View |