List of insiders holdings for Jade Biosciences 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 | Fairmount Funds Management LLC Fairmount Healthcare Fund II L.P. Fairmount Healthcare Co-Invest IV L.P. Kiselak Tomas Harwin Peter Evan Director 10% Owner | 2025-10-08 16:15:29 | 10,353,875 0 | 10,353,875 | Form 13D |
| 2 | RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP Kolchinsky Peter Shah Rajeev M. 10% Owner | 2025-10-16 19:35:31 | 3,214,969 0 | 3,214,969 | Form 13G |
| 3 | RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner | 2025-10-16 19:35:31 | 3,214,969 0 | 3,214,969 | Form 13G |
| 4 | Cormorant Asset Management LP Chen Bihua Cormorant Global Healthcare Master Fund LP Cormorant Private Healthcare Fund II LP Former 10% Owner | 2024-02-14 15:08:31 | 1,211,696 0 | 1,211,696 | Form 13G |
| 5 | King Andrew James See Remarks | 2026-02-13 20:00:19 | 633,613 0 | 633,613 | Form 4 |
| 6 | Frohlich Tom Chief Executive Officer | 2026-02-13 20:00:20 | 558,831 0 | 558,831 | Form 4 |
| 7 | Kocinsky Hetal Chief Medical Officer | 2025-05-01 17:30:01 | 539,758 0 | 539,758 | Form 3 |
| 8 | Quick Jonathan See Remarks | 2025-05-01 17:22:47 | 404,818 0 | 404,818 | Form 3 |
| 9 | NOYES TIMOTHY P CHIEF EXECUTIVE OFFICER | 2024-05-17 19:10:13 | 343,381 0 | 343,381 | Form 4 |
| 10 | Dahms Bradford D. Chief Financial Officer | 2026-02-13 20:00:45 | 264,688 0 | 264,688 | Form 4 |
| 11 | Balta Elizabeth See Remarks | 2026-02-13 20:00:37 | 196,875 0 | 196,875 | Form 4 |
| 12 | NIVEN RALPH CHIEF SCIENTIFIC OFFICER | 2024-02-07 18:00:11 | 111,539 0 | 111,539 | Form 4 |
| 13 | Sofinnova Venture Partners X L.P. Sofinnova Management X L.L.C. HEALY JAMES 10% Owner | 2026-03-05 06:04:35 | 107,391 0 | 107,391 | Form 13D |
| 14 | Gillies Hunter CHIEF MEDICAL OFFICER | 2024-06-14 18:00:05 | 89,112 0 | 89,112 | Form 4 |
| 15 | Verwijs Marinus CHIEF TECHNICAL OFFICER | 2024-06-14 18:00:07 | 68,800 0 | 68,800 | Form 4 |
| 16 | Pigot Timothy CHIEF COMMERCIAL OFFICER | 2024-01-24 18:00:32 | 67,877 0 | 67,877 | Form 4 |
| 17 | Atlas Venture Fund XII L.P. Atlas Venture Associates XII L.P. Atlas Venture Associates XII LLC 10% Owner | 2025-04-30 16:29:11 | 51,406 0 | 51,406 | Form 13D |
| 18 | Atlas Venture Fund XII L.P. 10% Owner | 2025-04-30 16:29:11 | 51,406 0 | 51,406 | Form 13D |
| 19 | Eldridge George A SEE REMARKS | 2024-06-14 18:00:09 | 33,785 0 | 33,785 | Form 4 |
| 20 | DOBMEIER ERIC Director | 2025-05-01 18:00:21 | 23,017 0 | 23,017 | Form 4 |
| 21 | CAIN CHRISTOPHER W. Director | 2025-05-01 18:07:58 | 23,017 0 | 23,017 | Form 4 |
| 22 | Klein Lawrence Otto Director | 2025-05-01 18:10:20 | 23,017 0 | 23,017 | Form 4 |
| 23 | Lavelle Erin Director | 2025-05-01 18:15:30 | 23,017 0 | 23,017 | Form 4 |
| 24 | Dake Benjamin T SEE REMARKS | 2024-08-02 18:00:22 | 15,759 0 | 15,759 | Form 4 |
| 25 | Katabi Maha Director 10% Owner | 2024-06-07 18:00:14 | 12,500 0 | 12,500 | Form 4 |
| 26 | Iwicki Mark T Director | 2024-06-07 18:00:12 | 12,500 0 | 12,500 | Form 4 |
| 27 | GRAYZEL DAVID S. Director | 2024-06-07 18:00:10 | 12,500 0 | 12,500 | Form 4 |
| 28 | Dable Habib J Director | 2024-06-07 18:00:07 | 12,500 0 | 12,500 | Form 4 |
| 29 | Dorval Allison Director | 2024-06-07 18:00:05 | 12,500 0 | 12,500 | Form 4 |
| 30 | Resnick Joshua Director | 2024-06-07 18:00:16 | 12,500 0 | 12,500 | Form 4 |
| 31 | Santel Donald J Director | 2024-06-07 18:00:18 | 12,500 0 | 12,500 | Form 4 |