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>>

Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2024-06-07 Option Award |
2024-06-10 4:11 pm |
N/A N/A |
Royalty Pharma plc | RPRX | DESOUZA ERROL B Director |
9,293 | $0 | 73,738 (Direct) |
View |
2024-03-19 Option Award |
2024-03-21 5:01 pm |
N/A 2034-03-19 |
Alector Inc. | ALEC | DESOUZA ERROL B Director |
60,670 | $0 | 60,670 (Direct) |
View |
Ownership |
2024-03-21 5:00 pm |
N/A N/A |
Alector Inc. | ALEC | DESOUZA ERROL B Director |
0 | $0 | 0 (Direct) |
View |
2023-11-30 Option Award |
2023-12-04 4:05 pm |
N/A N/A |
Cyclerion Therapeutics Inc. | CYCN | DESOUZA ERROL B Director |
50,000 | $0 | 30,000 (Direct) |
View |
2023-06-23 Option Award |
2023-06-26 4:04 pm |
N/A N/A |
Royalty Pharma plc | RPRX | DESOUZA ERROL B Director |
7,747 | $0 | 64,445 (Direct) |
View |
2022-06-24 Option Award |
2022-06-24 4:55 pm |
N/A N/A |
Royalty Pharma plc | RPRX | DESOUZA ERROL B Director |
6,328 | $0 | 56,698 (Direct) |
View |
2022-06-14 Option Award |
2022-06-16 8:55 pm |
N/A 2032-06-14 |
Cyclerion Therapeutics Inc. | CYCN | DESOUZA ERROL B Director |
20,000 | $0 | 20,000 (Direct) |
View |
2021-10-01 Option Award |
2021-10-05 4:32 pm |
N/A N/A |
CATALYST BIOSCIENCES INC. | CBIO | DESOUZA ERROL B Director |
3,588 | $0 | 29,801 (Direct) |
View |
2021-06-09 Option Award |
2021-07-02 09:51 am |
N/A 2031-06-09 |
CATALYST BIOSCIENCES INC. | CBIO | DESOUZA ERROL B Director |
17,406 | $0 | 40,213 (Direct) |
View |
2021-06-25 Option Award |
2021-06-29 8:34 pm |
N/A N/A |
Royalty Pharma plc | RPRX | DESOUZA ERROL B Director |
5,726 | $0 | 50,370 (Direct) |
View |
2021-06-24 Option Award |
2021-06-28 5:08 pm |
N/A 2031-06-24 |
Cyclerion Therapeutics Inc. | CYCN | DESOUZA ERROL B Director |
10,000 | $0 | 10,000 (Direct) |
View |
Ownership |
2021-05-19 6:16 pm |
N/A N/A |
Cyclerion Therapeutics Inc. | CYCN | DESOUZA ERROL B Director |
0 | $0 | 0 (Direct) |
View |
2021-04-01 Option Award |
2021-04-05 1:37 pm |
N/A N/A |
CATALYST BIOSCIENCES INC. | CBIO | DESOUZA ERROL B Director |
2,926 | $0 | 22,807 (Direct) |
View |
2021-01-05 Option Award |
2021-01-06 4:47 pm |
N/A N/A |
CATALYST BIOSCIENCES INC. | CBIO | DESOUZA ERROL B Director |
2,129 | $0 | 19,881 (Direct) |
View |
2020-10-01 Option Award |
2020-10-02 4:17 pm |
N/A N/A |
CATALYST BIOSCIENCES INC. | CBIO | DESOUZA ERROL B Director |
3,125 | $0 | 17,752 (Direct) |
View |
2020-06-15 Option Award |
2020-09-23 8:28 pm |
N/A N/A |
Royalty Pharma plc | RPRX | DESOUZA ERROL B Director |
62,844 | $0 | 98,559 (Indirect) |
View |
2020-07-01 Option Award |
2020-07-02 4:41 pm |
N/A N/A |
CATALYST BIOSCIENCES INC. | CBIO | DESOUZA ERROL B Director |
2,129 | $0 | 14,627 (Direct) |
View |
2020-06-15 Option Award |
2020-06-17 9:49 pm |
N/A N/A |
Royalty Pharma plc | RPRX | DESOUZA ERROL B Director |
35,715 | $0 | 35,715 (Direct) |
View |
Ownership |
2020-06-15 9:27 pm |
N/A N/A |
Royalty Pharma plc | RPRX | DESOUZA ERROL B Director |
0 | $0 | 539,150 (Indirect) |
View |
2020-06-11 Option Award |
2020-06-12 4:44 pm |
N/A 2030-06-11 |
CATALYST BIOSCIENCES INC. | CBIO | DESOUZA ERROL B Director |
5,000 | $0 | 5,000 (Direct) |
View |