Jade Biosciences, Inc. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Fairmount Healthcare Fund II L.P. | — | Award / Grant | 1,333,126 | $9.14 | $12,184,772 | 1,897,677 | Oct 6, 2025 |
| Frohlich Tom | Chief Executive Officer | Purchase | 6,000 | $7.40 | $44,400 | 6,000 | May 16, 2025 |
| Kolchinsky Peter | — | Other | 1,062,326 | — | — | 1,287,858 | Apr 28, 2025 |
| Dake Benjamin T | SEE REMARKS | Option Exercise | 1,507 | $1.74 | $2,622 | 14,252 | Jul 31, 2024 |
| Shah Rajeev M. | — | Purchase | 928,110 | $1.67 | $1,549,944 | 7,893,678 | Jun 17, 2024 |
| Eldridge George A | SEE REMARKS | Option Exercise | 15,000 | $2.14 | $32,100 | 20,022 | Jun 14, 2024 |
| Verwijs Marinus | CHIEF TECHNICAL OFFICER | Option Exercise | 10,600 | $14.59 | $154,654 | 10,600 | Jun 14, 2024 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | Option Exercise | 6,000 | $2.14 | $12,840 | 11,602 | Jun 13, 2024 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | Option Exercise | 4,000 | $2.14 | $8,560 | 9,602 | May 17, 2024 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | Sale | 8,707 | $21.52 | $187,375 | 1,293 | May 16, 2024 |
| Verwijs Marinus | CHIEF TECHNICAL OFFICER | Sale | 1,981 | $21.02 | $41,641 | — | May 2, 2024 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | Sale | 1,357 | $19.91 | $27,018 | — | May 1, 2024 |
| Dake Benjamin T | SEE REMARKS | Option Exercise | 6,853 | $2.14 | $14,665 | 8,144 | Apr 17, 2024 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | Sale | 3,689 | $22.30 | $82,265 | 3,562 | Apr 17, 2024 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | Option Exercise | 10,000 | $2.14 | $21,400 | 10,000 | Apr 16, 2024 |
| Eldridge George A | SEE REMARKS | Option Exercise | 7,500 | $2.14 | $16,050 | 9,460 | Apr 10, 2024 |
| GRAYZEL DAVID S. | — | Sale | 11,882 | $28.15 | $334,478 | 14,502 | Apr 9, 2024 |
| Verwijs Marinus | CHIEF TECHNICAL OFFICER | Option Exercise | 5,300 | $14.59 | $77,327 | 5,300 | Apr 1, 2024 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | Sale | 1,647 | $29.90 | $49,245 | 3,851 | Apr 1, 2024 |
| Dake Benjamin T | SEE REMARKS | Option Exercise | 3,325 | $10.61 | $35,278 | 4,616 | Apr 1, 2024 |
| Eldridge George A | SEE REMARKS | Sale | 12,495 | $31.23 | $390,219 | 1,960 | Apr 1, 2024 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | Option Exercise | 9,000 | $2.14 | $19,260 | 12,251 | Mar 28, 2024 |
| Dake Benjamin T | SEE REMARKS | Sale | 11,068 | $27.97 | $309,572 | 1,291 | Mar 27, 2024 |
| Dake Benjamin T | SEE REMARKS | Sale | 3,432 | $28.01 | $96,130 | 1,291 | Mar 25, 2024 |
| Verwijs Marinus | CHIEF TECHNICAL OFFICER | Sale | 2,764 | $26.46 | $73,135 | — | Mar 19, 2024 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | Sale | 613 | $26.40 | $16,183 | 3,251 | Mar 18, 2024 |
| Dake Benjamin T | SEE REMARKS | Option Exercise | 20,557 | $2.14 | $43,992 | 21,848 | Mar 18, 2024 |
| Eldridge George A | SEE REMARKS | Option Exercise | 2,016 | $2.14 | $4,314 | 3,976 | Mar 13, 2024 |
| Eldridge George A | SEE REMARKS | Sale | 114 | $25.00 | $2,850 | 1,960 | Mar 8, 2024 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | Option Exercise | 8,975 | $2.14 | $19,207 | 12,226 | Mar 7, 2024 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | Sale | 511 | $19.50 | $9,965 | 3,251 | Feb 23, 2024 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | Sale | 898 | $20.58 | $18,481 | 3,251 | Feb 20, 2024 |
| NIVEN RALPH | CHIEF SCIENTIFIC OFFICER | Option Exercise | 3,200 | $2.14 | $6,848 | 6,209 | Feb 5, 2024 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | Sale | 4,000 | $19.50 | $78,000 | 3,251 | Jan 17, 2024 |
| NIVEN RALPH | CHIEF SCIENTIFIC OFFICER | Sale | 2,474 | $19.57 | $48,416 | 1,609 | Jan 5, 2024 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | Option Exercise | 125 | $2.14 | $268 | 3,376 | Dec 27, 2023 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | Sale | 9,897 | $19.50 | $192,992 | 3,251 | Dec 14, 2023 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | Sale | 4,000 | $19.50 | $78,000 | 3,251 | Dec 13, 2023 |
| Dake Benjamin T | SEE REMARKS | Sale | 10,283 | $16.11 | $165,659 | 1,291 | Dec 6, 2023 |
| NIVEN RALPH | CHIEF SCIENTIFIC OFFICER | Sale | 4,600 | $16.30 | $74,980 | 1,609 | Dec 5, 2023 |
| Dake Benjamin T | SEE REMARKS | Sale | 12,517 | $16.24 | $203,276 | 1,291 | Nov 27, 2023 |
| Dake Benjamin T | SEE REMARKS | Sale | 9,382 | $15.17 | $142,325 | 1,291 | Nov 24, 2023 |
| NIVEN RALPH | CHIEF SCIENTIFIC OFFICER | Sale | 13,800 | $15.00 | $207,000 | 1,609 | Nov 22, 2023 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | Sale | 1,092 | $10.42 | $11,379 | — | Nov 1, 2023 |
| Verwijs Marinus | CHIEF TECHNOLOGY OFFICER | Sale | 970 | $10.46 | $10,146 | — | Nov 1, 2023 |
| Dake Benjamin T | SEE REMARKS | Option Exercise | 2,413 | $1.74 | $4,199 | 3,704 | Sep 7, 2023 |
| Dake Benjamin T | SEE REMARKS | Sale | 541 | $16.25 | $8,791 | 1,291 | Aug 7, 2023 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | Sale | 5,478 | $18.00 | $98,604 | — | Jul 28, 2023 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | Option Exercise | 4,522 | $2.14 | $9,677 | 4,522 | Jul 17, 2023 |
| Dake Benjamin T | SEE REMARKS | Sale | 10,283 | $16.66 | $171,315 | 1,291 | Jul 6, 2023 |