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 |
2024-01-29 Purchase |
2024-01-31 4:26 pm |
Tourmaline Bio Inc. | TRML | MCDADE MARK Director |
100,000 | $32.5 | $3,250,000 | 742,209 (Indirect Direct) |
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 |
2023-11-17 Purchase |
2023-11-20 6:14 pm |
Tourmaline Bio Inc. | TRML | Thiara Parvinder Director |
1,000 | $17.31 | $17,310 | 83,782 (Direct) |
View |
2023-10-25 Purchase |
2023-10-27 5:43 pm |
Tourmaline Bio Inc. | TRML | Castelein Caley Director |
20,000 | $14.03 | $280,584 | 974,558 (Indirect 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 |
2023-10-24 Purchase |
2023-10-26 5:00 pm |
Tourmaline Bio Inc. | TRML | KANTOFF AARON Director |
7,500 | $11.86 | $88,950 | 45,391 (Direct) |
View |
2023-10-24 Purchase |
2023-10-26 4:46 pm |
Tourmaline Bio Inc. | TRML | Thiara Parvinder Director |
7,000 | $11.08 | $77,540 | 82,782 (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 |
2025-01-27 Option Award |
2025-01-29 4:23 pm |
N/A 2035-01-26 |
Tourmaline Bio Inc. | TRML | Robinson Ryan F. Chief Financial Officer |
58,000 | $0 | 58,000 (Direct) |
View |
2025-01-27 Option Award |
2025-01-29 4:23 pm |
N/A 2035-01-26 |
Tourmaline Bio Inc. | TRML | MIDDLEKAUFF W BRADFORD CBO, GC and Secretary |
58,000 | $0 | 58,000 (Direct) |
View |
2025-01-27 Option Award |
2025-01-29 4:23 pm |
N/A 2035-01-26 |
Tourmaline Bio Inc. | TRML | Jones Susan Dana Chief Technology Officer |
58,000 | $0 | 58,000 (Direct) |
View |
2025-01-27 Option Award |
2025-01-29 4:22 pm |
N/A 2035-01-26 |
Tourmaline Bio Inc. | TRML | Johnson Kevin Bruce Chief Regulatory Officer |
58,000 | $0 | 58,000 (Direct) |
View |
2024-06-25 Option Award |
2024-06-27 08:12 am |
N/A 2034-06-24 |
Tourmaline Bio Inc. | TRML | Robinson Ryan F. Chief Financial Officer |
76,400 | $0 | 76,400 (Direct) |
View |
2024-06-05 Option Award |
2024-06-07 4:03 pm |
N/A 2034-06-04 |
Tourmaline Bio Inc. | TRML | SIEGALL CLAY B Director |
15,000 | $0 | 15,000 (Direct) |
View |
2024-06-05 Option Award |
2024-06-07 4:03 pm |
N/A 2034-06-04 |
Tourmaline Bio Inc. | TRML | MCDADE MARK Director |
10,000 | $0 | 10,000 (Direct) |
View |
2024-06-05 Option Award |
2024-06-07 4:02 pm |
N/A 2034-06-04 |
Tourmaline Bio Inc. | TRML | KANTOFF AARON Director |
10,000 | $0 | 10,000 (Direct) |
View |
2024-06-05 Option Award |
2024-06-07 4:02 pm |
N/A 2034-06-04 |
Tourmaline Bio Inc. | TRML | Srivastava Sapna Director |
10,000 | $0 | 10,000 (Direct) |
View |
2024-06-05 Option Award |
2024-06-07 4:02 pm |
N/A 2034-06-04 |
Tourmaline Bio Inc. | TRML | Thiara Parvinder Director |
10,000 | $0 | 10,000 (Direct) |
View |
2024-06-05 Option Award |
2024-06-07 4:02 pm |
N/A 2034-06-04 |
Tourmaline Bio Inc. | TRML | Castelein Caley Director |
10,000 | $0 | 10,000 (Direct) |
View |
2023-12-13 Option Award |
2023-12-15 4:23 pm |
N/A 2033-12-12 |
Tourmaline Bio Inc. | TRML | SIEGALL CLAY B Director |
20,000 | $0 | 20,000 (Direct) |
View |
2023-10-23 Option Award |
2023-10-23 8:33 pm |
N/A 2033-10-22 |
Tourmaline Bio Inc. | TRML | Thiara Parvinder Director |
85,782 | $0 | 85,782 (Direct) |
View |
2023-10-23 Option Award |
2023-10-23 8:31 pm |
N/A 2033-10-22 |
Tourmaline Bio Inc. | TRML | Srivastava Sapna Director |
20,518 | $0 | 20,518 (Direct) |
View |
2023-10-19 Option Award |
2023-10-23 8:30 pm |
N/A 2033-08-14 |
Tourmaline Bio Inc. | TRML | Robinson Ryan F. Interim CFO |
56,211 | $0 | 56,211 (Direct) |
View |
2023-10-19 Option Award |
2023-10-23 8:29 pm |
N/A 2033-06-17 |
Tourmaline Bio Inc. | TRML | MIDDLEKAUFF W BRADFORD CBO, GC and Secretary |
240,966 | $0 | 240,966 (Direct) |
View |
2023-10-23 Option Award |
2023-10-23 8:26 pm |
N/A 2033-10-22 |
Tourmaline Bio Inc. | TRML | MCDADE MARK Director |
368,949 | $0 | 662,209 (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 |
2023-10-19 Option Award |
2023-10-23 8:24 pm |
N/A 2033-02-02 |
Tourmaline Bio Inc. | TRML | KANTOFF AARON Director |
85,781 | $0 | 85,781 (Direct) |
View |
2023-10-19 Option Award |
2023-10-23 8:23 pm |
N/A 2033-06-17 |
Tourmaline Bio Inc. | TRML | Jones Susan Dana Chief Technology Officer |
145,927 | $0 | 145,927 (Direct) |
View |
2023-10-19 Option Award |
2023-10-23 8:21 pm |
N/A 2033-06-17 |
Tourmaline Bio Inc. | TRML | Johnson Kevin Bruce Chief Regulatory Officer |
200,754 | $0 | 200,754 (Direct) |
View |
2023-10-19 Option Award |
2023-10-23 8:20 pm |
N/A 2033-06-17 |
Tourmaline Bio Inc. | TRML | CHYUNG YUNG H. Chief Medical Officer |
274,262 | $0 | 274,262 (Direct) |
View |
2023-10-23 Option Award |
2023-10-23 8:18 pm |
N/A 2033-10-22 |
Tourmaline Bio Inc. | TRML | Castelein Caley Director |
964,558 | $0 | 964,558 (Direct) |
View |