List of insiders holdings for Tourmaline Bio Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- 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>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Ildstad Suzanne Director | 2023-06-14 18:58:15 | 3,791,892 1,308,410 | 5,100,302 | Form 4 |
| 2 | Requadt Scott Former Chief Executive Officer | 2023-07-06 17:19:16 | 578,403 449,766 | 1,028,169 | Form 4 |
| 3 | Castelein Caley Director | 2025-10-17 17:50:10 | 515,997 431,939 | 947,936 | Form 4 |
| 4 | Longitude Capital Partners III LLC Longitude Venture Partners III L.P. ENRIGHT PATRICK G Tammenoms Bakker Juliet 10% Owner | 2023-10-30 17:16:49 | 322,077 0 | 322,077 | Form 13D |
| 5 | Zdanowski Michael Chief Technology Officer | 2023-02-03 17:02:36 | 300,000 0 | 300,000 | Form 4 |
| 6 | CHYUNG YUNG H. Chief Medical Officer | 2023-10-23 20:20:18 | 274,262 0 | 274,262 | Form 4 |
| 7 | Krieger Nancy Chief Medical Officer | 2023-02-03 16:59:50 | 240,000 0 | 240,000 | Form 4 |
| 8 | Kulkarni Sandeep Chidambar CEO | 2025-02-04 16:19:06 | 226,000 0 | 226,000 | Form 4 |
| 9 | Clarus Defined Exit I L.P. Clarus DE II L.P. Clarus IV-A L.P. Clarus IV-B L.P. Clarus IV-C L.P. Clarus IV-D L.P. Clarus Ventures DE GP L.P. Clarus IV GP L.P. Blackstone Clarus DE L.L.C. Blackstone Clarus GP L.L.C. 10% Owner | 2021-05-13 21:59:55 | 0 160,044 | 160,044 | Form 4 |
| 10 | KANTOFF AARON Director | 2025-09-09 18:00:06 | 93,281 0 | 93,281 | Form 4 |
| 11 | Fenton Mary Kay Chief Financial Officer | 2023-07-06 17:20:59 | 68,054 0 | 68,054 | Form 4 |
| 12 | Jones Susan Dana Chief Technology Officer | 2025-01-29 16:23:10 | 58,000 0 | 58,000 | Form 4 |
| 13 | MIDDLEKAUFF W BRADFORD CBO, GC and Secretary | 2025-01-29 16:23:21 | 58,000 0 | 58,000 | Form 4 |
| 14 | Robinson Ryan F. Chief Financial Officer | 2025-01-29 16:23:34 | 58,000 0 | 58,000 | Form 4 |
| 15 | Johnson Kevin Bruce Chief Regulatory Officer | 2025-10-17 16:30:06 | 51,584 0 | 51,584 | Form 4 |
| 16 | Nader Francois Director | 2023-06-14 19:00:36 | 41,000 0 | 41,000 | Form 4 |
| 17 | Shah Gaurav Director | 2023-06-14 19:01:25 | 20,500 0 | 20,500 | Form 4 |
| 18 | Smith Karen L. Director | 2023-06-14 19:02:37 | 20,500 0 | 20,500 | Form 4 |
| 19 | MACKAY GEOFFREY Director | 2023-06-14 18:59:05 | 20,500 0 | 20,500 | Form 4 |
| 20 | Agarwala Sandip Director | 2023-06-14 18:56:33 | 20,500 0 | 20,500 | Form 4 |
| 21 | MCDADE MARK Director | 2025-06-06 16:30:05 | 16,800 0 | 16,800 | Form 4 |
| 22 | SIEGALL CLAY B Director | 2025-06-06 16:33:54 | 16,800 0 | 16,800 | Form 4 |
| 23 | Srivastava Sapna Director | 2025-06-06 16:36:11 | 16,800 0 | 16,800 | Form 4 |
| 24 | Thiara Parvinder Director | 2025-06-06 16:38:51 | 16,800 0 | 16,800 | Form 4 |
| 25 | GALAKATOS NICHOLAS Director | 2021-05-06 21:25:52 | 0 0 | 0 | Form 3 |
| 26 | Chester Cariad Director | 2023-10-23 18:27:53 | 0 0 | 0 | Form 3 |
| 27 | Clarus Lifesciences III L.P. Clarus Ventures III GP L.P. Blackstone Clarus III L.L.C. Blackstone Clarus GP L.P. Blackstone Holdings I L.P. Blackstone Holdings II L.P. Blackstone Holdings I/II GP L.L.C. Blackstone Group Inc Blackstone Group Management L.L.C. SCHWARZMAN STEPHEN A 10% Owner | 2024-02-09 17:24:53 | 0 0 | 0 | Form 13G |