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 |
2024-09-16 Purchase |
2024-09-16 8:51 pm |
Zenas BioPharma Inc. | ZBIO | SR ONE CAPITAL MANAGEMENT LLC George Simeon 10% Owner |
2,235,294 | $17 | $37,999,998 | 1,110,237 (Indirect) |
View |
2023-11-27 Sale |
2023-11-29 5:07 pm |
eFFECTOR Therapeutics Inc. | EFTR | SR ONE CAPITAL MANAGEMENT LLC SR One Capital Fund I Aggregator LP SR ONE CAPITAL PARTNERS I LP SR One Co-Invest I LLC SR One Co-Invest I Manager LLC George Simeon 10% Owner |
609,163 | $0.6065 | $369,457 | 1,821,415 (Indirect) |
View |
2023-05-11 Sale |
2023-05-15 6:16 pm |
Arcellx Inc. | ACLX | SR ONE CAPITAL MANAGEMENT LLC SR One Capital Fund I Aggregator LP SR ONE CAPITAL PARTNERS I LP George Simeon SR One Co-Invest II LLC SR One Co-Invest II Manager LLC 10% Owner |
1,012,833 | $45.01 | $45,589,317 | 1,658,780 (Indirect) |
View |
2022-12-16 Purchase |
2022-12-20 6:37 pm |
Design Therapeutics Inc. | DSGN | SR One Capital Fund I Aggregator LP SR ONE CAPITAL PARTNERS I LP SR ONE CAPITAL MANAGEMENT LLC 10% Owner |
900,000 | $8.4156 | $7,574,078 | 6,526,476 (Direct) |
View |
2022-02-08 Purchase |
2022-02-10 08:41 am |
Arcellx Inc. | ACLX | SR ONE CAPITAL MANAGEMENT LLC SR ONE CAPITAL PARTNERS I LP SR One Capital Fund I Aggregator LP SR One Co-Invest II LLC George Simeon SR One Co-Invest II Manager LLC 10% Owner |
1,666,667 | $15 | $25,000,005 | 2,033,196 (Indirect) |
View |
2021-03-30 Purchase |
2021-04-01 6:23 pm |
Design Therapeutics Inc. | DSGN | SR One Capital Fund I Aggregator LP SR ONE CAPITAL PARTNERS I LP SR ONE CAPITAL MANAGEMENT LLC 10% Owner |
250,000 | $20 | $5,000,000 | 5,626,476 (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 |
2024-09-16 Conversion |
2024-09-16 8:51 pm |
N/A N/A |
Zenas BioPharma Inc. | ZBIO | SR ONE CAPITAL MANAGEMENT LLC George Simeon 10% Owner |
25,914,358 | $0 | 1,110,237 (Indirect) |
View |
Ownership |
2024-09-12 9:39 pm |
N/A N/A |
Zenas BioPharma Inc. | ZBIO | SR ONE CAPITAL MANAGEMENT LLC George Simeon 10% Owner |
0 | $0 | 2,676,245 (Indirect) |
View |
2022-02-08 Conversion |
2022-02-10 08:41 am |
N/A N/A |
Arcellx Inc. | ACLX | SR ONE CAPITAL MANAGEMENT LLC SR ONE CAPITAL PARTNERS I LP SR One Capital Fund I Aggregator LP SR One Co-Invest II LLC George Simeon SR One Co-Invest II Manager LLC 10% Owner |
3,833,340 | $0 | 2,033,196 (Indirect) |
View |
Ownership |
2022-02-03 6:22 pm |
N/A N/A |
Arcellx Inc. | ACLX | SR ONE CAPITAL MANAGEMENT LLC SR One Capital Fund I Aggregator LP SR ONE CAPITAL PARTNERS I LP SR One Co-Invest II LLC George Simeon 10% Owner |
0 | $0 | 3,833,340 (Indirect) |
View |
Ownership |
2021-09-02 3:26 pm |
N/A N/A |
eFFECTOR Therapeutics Inc. | EFTR | SR ONE CAPITAL MANAGEMENT LLC SR ONE CAPITAL PARTNERS I LP SR One Capital Fund I Aggregator LP SR One Co-Invest I LLC SR One Co-Invest I Manager LLC George Simeon 10% Owner |
0 | $0 | 7,427,452 (Indirect) |
View |
2021-03-30 Conversion |
2021-04-01 6:23 pm |
N/A N/A |
Design Therapeutics Inc. | DSGN | SR One Capital Fund I Aggregator LP SR ONE CAPITAL PARTNERS I LP SR ONE CAPITAL MANAGEMENT LLC 10% Owner |
14,140,132 | $0 | 5,626,476 (Direct) |
View |
Ownership(A) |
2021-03-30 5:44 pm |
N/A N/A |
Design Therapeutics Inc. | DSGN | SR One Capital Fund I Aggregator LP SR ONE CAPITAL PARTNERS I LP SR ONE CAPITAL MANAGEMENT LLC 10% Owner |
0 | $0 | 5,376,476 (Direct) |
View |