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 |
2020-12-18 Purchase |
2020-12-22 4:09 pm |
BioAtla Inc. | BCAB | Cormorant Asset Management LP Chen Bihua Cormorant Global Healthcare Master Fund LP Cormorant Private Healthcare Fund II LP Former 10% Owner |
800,000 | $18 | $14,400,000 | 2,292,060 (Indirect) |
View |
2020-11-23 Purchase |
2020-11-23 4:59 pm |
Olema Pharmaceuticals Inc. | OLMA | Cormorant Asset Management LP Chen Bihua Cormorant Global Healthcare Master Fund LP Cormorant Private Healthcare Fund II LP Cormorant Private Healthcare Fund III LP Former 10% Owner |
425,000 | $19 | $8,075,000 | 3,270,544 (Indirect) |
View |
2020-10-22 Purchase |
2020-10-22 5:10 pm |
Helix Acquisition Corp | HLXA | Chen Bihua CEO and Chairman 10% Owner |
430,000 | $10 | $4,300,000 | 430,000 (Indirect) |
View |
2020-06-30 Purchase |
2020-07-02 4:00 pm |
Akouos Inc. | AKUS | Cormorant Asset Management LP Chen Bihua Cormorant Global Healthcare Master Fund LP Cormorant Private Healthcare Fund II LP Former 10% Owner |
290,000 | $17 | $4,930,000 | 789,989 (Indirect) |
View |
2020-06-16 Purchase |
2020-06-18 4:02 pm |
Avidity Biosciences Inc. | RNA | Cormorant Asset Management LP Chen Bihua Cormorant Global Healthcare Master Fund LP Cormorant Private Healthcare Fund II LP Former 10% Owner |
300,000 | $18 | $5,400,000 | 2,514,545 (Indirect Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion