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 |
2023-05-09 Purchase |
2023-05-11 9:16 pm |
ACELYRIN Inc. | SLRN | Westlake BioPartners Fund II L.P. Westlake BioPartners GP II LLC Harper Sean E 10% Owner |
1,250,000 | $18 | $22,500,000 | 9,790,729 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion