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 |
| 2025-10-28 Sale | 2025-10-28 6:30 pm | Tourmaline Bio Inc. | TRML | Johnson Kevin Bruce Chief Regulatory Officer | 11,046 | $0 | $0 | 0 (Direct) | View |
| 2025-10-28 Sale | 2025-10-28 6:30 pm | Tourmaline Bio Inc. | TRML | Jones Susan Dana Chief Technology Officer | 3,152 | $0 | $0 | 0 (Direct) | View |
| 2025-10-28 Sale | 2025-10-28 6:30 pm | Tourmaline Bio Inc. | TRML | MIDDLEKAUFF W BRADFORD CBO, GC and Secretary | 8,213 | $0 | $0 | 0 (Direct) | View |
| 2025-10-28 Sale | 2025-10-28 6:30 pm | Tourmaline Bio Inc. | TRML | Kulkarni Sandeep Chidambar CEO | 30,387 | $0 | $0 | 0 (Indirect Direct) | View |
| 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 |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2025-10-28 Equity Swap | 2025-10-28 6:30 pm | N/A N/A | Tourmaline Bio Inc. | TRML | Thiara Parvinder Director | 83,782 | $0 | 0 (Direct) | View |
| 2025-10-28 Equity Swap | 2025-10-28 6:30 pm | N/A N/A | Tourmaline Bio Inc. | TRML | Srivastava Sapna Director | 518 | $0 | 0 (Direct) | View |
| 2025-10-28 Equity Swap | 2025-10-28 6:30 pm | N/A N/A | Tourmaline Bio Inc. | TRML | MCDADE MARK Director | 742,209 | $0 | 0 (Direct) | View |
| 2025-10-28 Equity Swap | 2025-10-28 6:30 pm | N/A N/A | Tourmaline Bio Inc. | TRML | KANTOFF AARON Director | 88,281 | $0 | 0 (Direct) | View |
| 2025-10-28 Equity Swap | 2025-10-28 6:30 pm | N/A N/A | Tourmaline Bio Inc. | TRML | Castelein Caley Director | 947,936 | $0 | 0 (Direct) | View |
| 2025-10-28 Equity Swap | 2025-10-28 6:30 pm | N/A N/A | Tourmaline Bio Inc. | TRML | Johnson Kevin Bruce Chief Regulatory Officer | 40,538 | $0 | 0 (Direct) | View |
| 2025-10-28 Equity Swap | 2025-10-28 6:30 pm | N/A N/A | Tourmaline Bio Inc. | TRML | Jones Susan Dana Chief Technology Officer | 19,782 | $0 | 0 (Direct) | View |
| 2025-10-28 Equity Swap | 2025-10-28 6:30 pm | N/A N/A | Tourmaline Bio Inc. | TRML | MIDDLEKAUFF W BRADFORD CBO, GC and Secretary | 60,988 | $0 | 0 (Direct) | View |
| 2025-10-28 Equity Swap | 2025-10-28 6:30 pm | N/A N/A | Tourmaline Bio Inc. | TRML | Robinson Ryan F. CFO | 14,366 | $0 | 0 (Direct) | View |
| 2025-10-28 Equity Swap | 2025-10-28 6:30 pm | N/A N/A | Tourmaline Bio Inc. | TRML | Kulkarni Sandeep Chidambar CEO | 731,664 | $0 | 0 (Direct) | View |
Ownership | 2025-10-28 12:12 pm | N/A N/A | Tourmaline Bio Inc. | TRML | NOVARTIS AG 10% Owner | 0 | $0 | 24,030,382 (Indirect) | View |
| 2025-10-24 Gift | 2025-10-24 6:10 pm | N/A N/A | Tourmaline Bio Inc. | TRML | KANTOFF AARON Director | 5,000 | $0 | 88,281 (Direct) | View |
| 2025-10-22 Exercise | 2025-10-24 5:08 pm | N/A N/A | Tourmaline Bio Inc. | TRML | Robinson Ryan F. CFO | 14,366 | $13.92 | 40,211 (Direct) | View |
| 2025-10-22 Exercise | 2025-10-24 5:08 pm | N/A 2033-08-14 | Tourmaline Bio Inc. | TRML | Robinson Ryan F. CFO | 14,366 | $0 | 40,211 (Direct) | View |
| 2025-10-22 Exercise | 2025-10-24 5:05 pm | N/A 2033-06-17 | Tourmaline Bio Inc. | TRML | Kulkarni Sandeep Chidambar CEO | 25,316 | $0 | 1,265,529 (Direct) | View |
| 2025-10-22 Exercise | 2025-10-24 5:05 pm | N/A N/A | Tourmaline Bio Inc. | TRML | Kulkarni Sandeep Chidambar CEO | 25,316 | $7.9 | 1,265,529 (Direct) | View |
| 2025-10-15 Gift | 2025-10-17 5:50 pm | N/A N/A | Tourmaline Bio Inc. | TRML | Castelein Caley Director | 522 | $0 | 947,936 (Direct) | View |
| 2025-10-15 Gift | 2025-10-17 4:30 pm | N/A N/A | Tourmaline Bio Inc. | TRML | Johnson Kevin Bruce Chief Regulatory Officer | 6,250 | $0 | 51,584 (Direct) | View |
| 2025-09-05 Exercise | 2025-09-09 6:00 pm | N/A N/A | Tourmaline Bio Inc. | TRML | KANTOFF AARON Director | 10,000 | $9.46 | 93,281 (Direct) | View |
| 2025-09-05 Exercise | 2025-09-09 6:00 pm | N/A 2033-02-02 | Tourmaline Bio Inc. | TRML | KANTOFF AARON Director | 47,890 | $0 | 93,281 (Direct) | View |
| 2025-09-05 Exercise | 2025-09-09 6:00 pm | N/A N/A | Tourmaline Bio Inc. | TRML | KANTOFF AARON Director | 37,890 | $0.13 | 93,281 (Direct) | View |
| 2025-06-04 Option Award | 2025-06-06 4:41 pm | N/A 2035-06-04 | Tourmaline Bio Inc. | TRML | KANTOFF AARON Director | 16,800 | $0 | 16,800 (Direct) | View |
| 2025-06-04 Option Award | 2025-06-06 4:38 pm | N/A 2035-06-04 | Tourmaline Bio Inc. | TRML | Thiara Parvinder Director | 16,800 | $0 | 16,800 (Direct) | View |
| 2025-06-04 Option Award | 2025-06-06 4:36 pm | N/A 2035-06-04 | Tourmaline Bio Inc. | TRML | Srivastava Sapna Director | 16,800 | $0 | 16,800 (Direct) | View |
| 2025-06-04 Option Award | 2025-06-06 4:33 pm | N/A 2035-06-04 | Tourmaline Bio Inc. | TRML | SIEGALL CLAY B Director | 16,800 | $0 | 16,800 (Direct) | View |
| 2025-06-04 Option Award | 2025-06-06 4:32 pm | N/A 2035-06-04 | Tourmaline Bio Inc. | TRML | Castelein Caley Director | 16,800 | $0 | 16,800 (Direct) | View |
| 2025-06-04 Option Award | 2025-06-06 4:30 pm | N/A 2035-06-04 | Tourmaline Bio Inc. | TRML | MCDADE MARK Director | 16,800 | $0 | 16,800 (Direct) | View |
| 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 |