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 |
2024-09-23 Purchase |
2024-09-24 5:26 pm |
TScan Therapeutics Inc. | TCRX | Klencke Barbara Director |
5,000 | $5.29 | $26,450 | 70,000 (Indirect Direct) |
View |
2024-08-23 Purchase |
2024-08-27 6:57 pm |
TScan Therapeutics Inc. | TCRX | Klencke Barbara Director |
10,000 | $5.61 | $56,100 | 65,000 (Indirect Direct) |
View |
2023-12-14 Purchase |
2023-12-18 6:01 pm |
TScan Therapeutics Inc. | TCRX | Klencke Barbara Director |
5,000 | $5.08 | $25,400 | 55,000 (Indirect Direct) |
View |
2022-07-01 Sale |
2022-07-01 4:43 pm |
Sierra Oncology Inc. | SRRA | Klencke Barbara Chief Medical Officer |
15,000 | $55 | $825,000 | 0 (Indirect Direct) |
View |
2020-08-18 Purchase |
2020-08-18 8:16 pm |
Sierra Oncology Inc. | SRRA | Klencke Barbara Chief Development Officer |
9,275 | $12.23 | $113,447 | 15,000 (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 |
2025-01-21 Option Award |
2025-01-23 6:24 pm |
N/A 2035-01-20 |
ALX ONCOLOGY HOLDINGS INC | ALXO | Klencke Barbara Director |
40,400 | $0 | 40,400 (Direct) |
View |
Ownership |
2025-01-23 6:22 pm |
N/A N/A |
ALX ONCOLOGY HOLDINGS INC | ALXO | Klencke Barbara Director |
0 | $0 | 120,000 (Direct) |
View |
2024-06-13 Option Award |
2024-06-17 4:25 pm |
N/A 2034-06-12 |
Xencor Inc | XNCR | Klencke Barbara Director |
17,957 | $0 | 17,957 (Direct) |
View |
2024-06-12 Option Award |
2024-06-14 4:20 pm |
N/A 2034-06-11 |
TScan Therapeutics Inc. | TCRX | Klencke Barbara Director |
47,500 | $0 | 47,500 (Direct) |
View |
2024-06-13 Option Award |
2024-06-13 6:35 pm |
N/A 2034-06-12 |
eFFECTOR Therapeutics Inc. | EFTR | Klencke Barbara Director |
800 | $0 | 800 (Direct) |
View |
2024-02-19 Option Award |
2024-02-21 5:22 pm |
N/A 2034-02-18 |
eFFECTOR Therapeutics Inc. | EFTR | Klencke Barbara Director |
2,000 | $0 | 2,000 (Direct) |
View |
2023-09-15 Option Award |
2023-09-19 4:32 pm |
N/A 2033-09-15 |
Xencor Inc | XNCR | Klencke Barbara Director |
40,070 | $0 | 40,070 (Direct) |
View |
2023-06-22 Option Award |
2023-06-22 8:14 pm |
N/A 2033-06-21 |
eFFECTOR Therapeutics Inc. | EFTR | Klencke Barbara Director |
20,000 | $0 | 20,000 (Direct) |
View |
2023-06-13 Option Award |
2023-06-15 6:13 pm |
N/A 2033-06-12 |
TScan Therapeutics Inc. | TCRX | Klencke Barbara Director |
36,524 | $0 | 36,524 (Direct) |
View |
2023-04-06 Option Award |
2023-04-10 10:39 am |
N/A 2033-04-05 |
TScan Therapeutics Inc. | TCRX | Klencke Barbara Director |
9,146 | $0 | 9,146 (Direct) |
View |
Ownership |
2023-04-10 10:35 am |
N/A N/A |
TScan Therapeutics Inc. | TCRX | Klencke Barbara Director |
0 | $0 | 50,000 (Direct) |
View |
2023-01-20 Option Award |
2023-01-24 4:10 pm |
N/A 2033-01-19 |
eFFECTOR Therapeutics Inc. | EFTR | Klencke Barbara Director |
28,125 | $0 | 28,125 (Direct) |
View |
2022-06-17 Option Award |
2022-06-17 4:14 pm |
2022-06-17 2030-08-12 |
Sierra Oncology Inc. | SRRA | Klencke Barbara Chief Medical Officer |
12,250 | $0 | 12,250 (Direct) |
View |
2022-06-09 Option Award |
2022-06-13 6:49 pm |
N/A 2032-06-08 |
eFFECTOR Therapeutics Inc. | EFTR | Klencke Barbara Director |
20,000 | $0 | 20,000 (Direct) |
View |
2022-03-14 Option Award |
2022-03-14 4:45 pm |
N/A 2032-03-14 |
Sierra Oncology Inc. | SRRA | Klencke Barbara Chief Medical Officer |
50,000 | $0 | 50,000 (Direct) |
View |
2022-01-28 Option Award |
2022-01-28 6:34 pm |
2022-01-28 2030-08-12 |
Sierra Oncology Inc. | SRRA | Klencke Barbara Chief Medical Officer |
12,250 | $0 | 12,250 (Direct) |
View |
2021-11-01 Option Award |
2021-11-02 7:10 pm |
N/A 2031-10-31 |
eFFECTOR Therapeutics Inc. | EFTR | Klencke Barbara Director |
40,000 | $0 | 40,000 (Direct) |
View |
2021-03-15 Option Award |
2021-03-17 9:15 pm |
N/A 2031-03-15 |
Sierra Oncology Inc. | SRRA | Klencke Barbara Chief Development Officer |
30,000 | $0 | 30,000 (Direct) |
View |