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 |
2024-05-21 Purchase |
2024-05-22 6:57 pm |
Erasca Inc. | ERAS | Casdin Alexander W. Director |
80,000 | $2.274 | $181,920 | 667,724 (Indirect Direct) |
View |
2023-12-04 Purchase |
2023-12-04 6:23 pm |
Erasca Inc. | ERAS | Casdin Alexander W. Director |
30,000 | $1.6595 | $49,785 | 587,724 (Indirect Direct) |
View |
2023-04-10 Purchase |
2023-04-11 08:23 am |
Erasca Inc. | ERAS | Casdin Alexander W. Director |
20,000 | $2.7615 | $55,230 | 557,724 (Indirect Direct) |
View |
2022-12-15 Purchase |
2022-12-15 4:47 pm |
Erasca Inc. | ERAS | Casdin Alexander W. Director |
20,000 | $4.8745 | $97,490 | 537,724 (Indirect 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 |
2025-01-01 Option Award |
2025-01-02 8:28 pm |
N/A 2035-01-01 |
Erasca Inc. | ERAS | Casdin Alexander W. Director |
28,877 | $0 | 28,877 (Direct) |
View |
2024-06-20 Option Award |
2024-06-21 08:42 am |
2025-06-20 2034-06-19 |
Erasca Inc. | ERAS | Casdin Alexander W. Director |
60,000 | $0 | 60,000 (Direct) |
View |
2024-01-01 Option Award |
2024-01-03 09:00 am |
N/A 2034-01-01 |
Erasca Inc. | ERAS | Casdin Alexander W. Director |
41,084 | $0 | 41,084 (Direct) |
View |
2023-06-22 Option Award |
2023-06-26 09:09 am |
2024-06-22 2033-06-21 |
Erasca Inc. | ERAS | Casdin Alexander W. Director |
60,000 | $0 | 60,000 (Direct) |
View |
2023-06-15 Option Award |
2023-06-20 7:32 pm |
N/A N/A |
Sientra Inc. | SIEN | Casdin Alexander W. Director |
15,000 | $0 | 252,099 (Direct) |
View |
Ownership |
2023-06-20 7:31 pm |
N/A N/A |
Sientra Inc. | SIEN | Casdin Alexander W. Director |
0 | $0 | 237,099 (Direct) |
View |
2022-07-01 Other |
2022-07-06 7:27 pm |
N/A N/A |
Erasca Inc. | ERAS | Casdin Alexander W. Director |
750,000 | $0 | 1,267,724 (Indirect) |
View |
2022-06-22 Option Award |
2022-06-24 09:17 am |
2023-06-22 2032-06-22 |
Erasca Inc. | ERAS | Casdin Alexander W. Director |
40,000 | $0 | 40,000 (Direct) |
View |
2021-07-20 Conversion |
2021-07-20 8:56 pm |
N/A N/A |
Erasca Inc. | ERAS | Casdin Alexander W. Director |
1,980,000 | $0 | 1,087,500 (Direct) |
View |
Ownership |
2021-07-15 9:31 pm |
N/A N/A |
Erasca Inc. | ERAS | Casdin Alexander W. Director |
0 | $0 | 1,087,500 (Direct) |
View |