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 |
2024-08-21 Purchase |
2024-08-22 4:22 pm |
Tourmaline Bio Inc. | TRML | Kulkarni Sandeep Chidambar CEO |
1,779 | $14.85 | $26,418 | 7,000 (Indirect) |
View |
2024-08-16 Purchase |
2024-08-20 6:09 pm |
Tourmaline Bio Inc. | TRML | Kulkarni Sandeep Chidambar CEO |
5,221 | $13.79 | $71,998 | 5,221 (Indirect) |
View |
2023-11-17 Purchase |
2023-11-20 6:15 pm |
Tourmaline Bio Inc. | TRML | Kulkarni Sandeep Chidambar CEO |
4,000 | $16.99 | $67,960 | 729,735 (Direct) |
View |
2023-10-24 Purchase |
2023-10-26 5:34 pm |
Tourmaline Bio Inc. | TRML | Kulkarni Sandeep Chidambar CEO |
9,650 | $11.49 | $110,912 | 725,735 (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 |
2025-02-03 Option Award |
2025-02-04 4:19 pm |
N/A 2035-02-02 |
Tourmaline Bio Inc. | TRML | Kulkarni Sandeep Chidambar CEO |
226,000 | $0 | 226,000 (Direct) |
View |
2024-12-09 Option Award |
2024-12-11 4:45 pm |
N/A 2034-12-09 |
Zura Bio Ltd | ZURA | Kulkarni Sandeep Chidambar Director |
117,000 | $0 | 117,000 (Direct) |
View |
2023-10-19 Option Award |
2023-10-23 8:25 pm |
N/A 2033-06-17 |
Tourmaline Bio Inc. | TRML | Kulkarni Sandeep Chidambar CEO |
1,499,086 | $0 | 1,499,086 (Direct) |
View |
2023-05-18 Option Award |
2023-05-22 9:17 pm |
N/A 2033-05-18 |
Zura Bio Ltd | ZURA | Kulkarni Sandeep Chidambar Director |
207,520 | $0 | 207,520 (Direct) |
View |
Ownership |
2023-03-21 7:37 pm |
N/A 2032-06-08 |
Zura Bio Ltd | ZURA | Kulkarni Sandeep Chidambar Director |
0 | $0 | 345,867 (Direct) |
View |