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 9:00 pm |
ACELYRIN Inc. | SLRN | Oyston Ronald Chief People Officer |
1,026 | $18 | $18,468 | 340,005 (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 |
2024-01-09 Option Award |
2024-01-11 6:38 pm |
N/A 2034-01-08 |
ACELYRIN Inc. | SLRN | Oyston Ronald Chief People Officer |
123,574 | $0 | 123,574 (Direct) |
View |
2023-08-16 Option Award |
2023-08-18 6:55 pm |
N/A N/A |
ACELYRIN Inc. | SLRN | Oyston Ronald Chief People Officer |
140,332 | $0 | 141,358 (Direct) |
View |
2023-05-09 Other |
2023-05-11 9:00 pm |
N/A 2032-01-19 |
ACELYRIN Inc. | SLRN | Oyston Ronald Chief People Officer |
677,958 | $0 | 340,005 (Direct) |
View |
2023-05-04 Option Award |
2023-05-04 8:09 pm |
N/A 2033-05-03 |
ACELYRIN Inc. | SLRN | Oyston Ronald Chief People Officer |
131,714 | $0 | 131,714 (Direct) |
View |
Ownership |
2023-05-04 7:04 pm |
N/A 2032-01-19 |
ACELYRIN Inc. | SLRN | Oyston Ronald Chief People Officer |
0 | $0 | 207,265 (Direct) |
View |