JBIO · Jade Biosciences Inc. Common Stock
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| Atlas Venture Fund XII, L.P. 10% Owner | ▼ Sell | Other | 2,327,909 Shares held | 7/15/2022 | View profile |
| Fairmount Funds Management LLC Director | ▲ Buy | Grant | 1,897,677 Shares held | 10/6/2025 | View profile |
| RA CAPITAL MANAGEMENT, L.P. Director | ▼ Sell | Other | 1,287,858 Shares held | 4/28/2025 | View profile |
| Andrew James King See Remarks | ▲ Buy | Grant | 386,113 Shares held | 2/12/2026 | View profile |
| Tom Frohlich Chief Executive Officer | ▲ Buy | Grant | 86,331 Shares held | 2/12/2026 | View profile |
| Bradford D. Dahms Chief Financial Officer | ▲ Buy | Grant | 37,813 Shares held | 2/12/2026 | View profile |
| Elizabeth Balta See Remarks | ▲ Buy | Grant | 28,125 Shares held | 2/12/2026 | View profile |
| GRAYZEL DAVID S. | ▼ Sell | Open Market | 14,502 Shares held | 4/9/2024 | View profile |
| Benjamin T. Dake See Remarks | ▲ Buy | Option Exercise | 14,252 Shares held | 8/1/2024 | View profile |
| Hunter Gillies CHIEF MEDICAL OFFICER | ▼ Sell | Open Market | 5,602 Shares held | 6/13/2024 | View profile |
| George A. Eldridge SEE REMARKS | ▼ Sell | Open Market | 5,022 Shares held | 6/14/2024 | View profile |
| NIVEN RALPH Chief Scientific Officer | ▼ Sell | Open Market | 1,609 Shares held | 2/5/2024 | View profile |
| Marinus Verwijs SENIOR VICE PRESIDENT, CMC | ▼ Sell | Open Market | 0 Shares held | 6/14/2024 | View profile |
| Timothy P. Noyes CHIEF EXECUTIVE OFFICER | ▼ Sell | Open Market | 0 Shares held | 5/16/2024 | View profile |
Transaction History
| Andrew James King | ▲ Buy | Grant | 41,250 | $0 | 2/12/2026 |
| Bradford D. Dahms | ▲ Buy | Grant | 37,813 | $0 | 2/12/2026 |
| Elizabeth Balta | ▲ Buy | Grant | 28,125 | $0 | 2/12/2026 |
| Tom Frohlich | ▲ Buy | Grant | 78,750 | $0 | 2/12/2026 |
| Fairmount Funds Management LLC | ▲ Buy | Grant | 1,333,126 | $12.2M | 10/6/2025 |
| Tom Frohlich | ▲ Buy | Open Market | 6,000 | $44K | 5/16/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Other | 1,062,326 | — | 4/28/2025 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 1,507 | $3K | 8/1/2024 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 11,454 | $20K | 7/31/2024 |
| RA CAPITAL MANAGEMENT, L.P. | ▲ Buy | Open Market | 928,110 | $1.5M | 6/17/2024 |
| George A. Eldridge | ▲ Buy | Option Exercise | 15,000 | $32K | 6/14/2024 |
| George A. Eldridge | ▼ Sell | Open Market | 15,000 | $375K | 6/14/2024 |
| Marinus Verwijs | ▲ Buy | Option Exercise | 10,600 | $155K | 6/14/2024 |
| Marinus Verwijs | ▼ Sell | Open Market | 10,600 | $265K | 6/14/2024 |
| Hunter Gillies | ▲ Buy | Option Exercise | 6,000 | $13K | 6/13/2024 |
| Hunter Gillies | ▼ Sell | Open Market | 6,000 | $147K | 6/13/2024 |
| Hunter Gillies | ▲ Buy | Option Exercise | 4,000 | $9K | 5/17/2024 |
| Hunter Gillies | ▼ Sell | Open Market | 3,914 | $82K | 5/17/2024 |
| Hunter Gillies | ▼ Sell | Open Market | 86 | $2K | 5/17/2024 |
| Timothy P. Noyes | ▲ Buy | Option Exercise | 10,000 | $21K | 5/16/2024 |
| Timothy P. Noyes | ▼ Sell | Open Market | 8,707 | $187K | 5/16/2024 |
| Timothy P. Noyes | ▼ Sell | Open Market | 1,293 | $28K | 5/16/2024 |
| Marinus Verwijs | ▼ Sell | Open Market | 1,981 | $42K | 5/2/2024 |
| Timothy P. Noyes | ▲ Buy | Option Exercise | 10,000 | $21K | 5/1/2024 |
| Timothy P. Noyes | ▼ Sell | Open Market | 9,035 | $184K | 5/1/2024 |
| Timothy P. Noyes | ▼ Sell | Open Market | 965 | $20K | 5/1/2024 |
| Timothy P. Noyes | ▼ Sell | Open Market | 1,357 | $27K | 5/1/2024 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 6,853 | $15K | 4/17/2024 |
| Benjamin T. Dake | ▼ Sell | Open Market | 6,447 | $144K | 4/17/2024 |
| Benjamin T. Dake | ▼ Sell | Open Market | 338 | $8K | 4/17/2024 |
| Benjamin T. Dake | ▼ Sell | Open Market | 68 | $2K | 4/17/2024 |
| Hunter Gillies | ▲ Buy | Option Exercise | 4,000 | $7K | 4/17/2024 |
| Hunter Gillies | ▼ Sell | Open Market | 3,689 | $82K | 4/17/2024 |
| Hunter Gillies | ▼ Sell | Open Market | 311 | $7K | 4/17/2024 |
| Timothy P. Noyes | ▲ Buy | Option Exercise | 10,000 | $21K | 4/16/2024 |
| Timothy P. Noyes | ▼ Sell | Open Market | 4,491 | $110K | 4/16/2024 |
| Timothy P. Noyes | ▼ Sell | Open Market | 5,509 | $137K | 4/16/2024 |
| George A. Eldridge | ▲ Buy | Option Exercise | 7,500 | $16K | 4/10/2024 |
| George A. Eldridge | ▼ Sell | Open Market | 6,729 | $180K | 4/10/2024 |
| George A. Eldridge | ▼ Sell | Open Market | 771 | $21K | 4/10/2024 |
| GRAYZEL DAVID S. | ▼ Sell | Open Market | 11,882 | $334K | 4/9/2024 |
| Timothy P. Noyes | ▲ Buy | Option Exercise | 10,000 | $21K | 4/1/2024 |
| Timothy P. Noyes | ▼ Sell | Open Market | 4,502 | $130K | 4/1/2024 |
| Timothy P. Noyes | ▼ Sell | Open Market | 1,647 | $49K | 4/1/2024 |
| Timothy P. Noyes | ▼ Sell | Open Market | 2,851 | $88K | 4/1/2024 |
| Timothy P. Noyes | ▼ Sell | Open Market | 1,000 | $32K | 4/1/2024 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 3,325 | $35K | 4/1/2024 |
| Benjamin T. Dake | ▼ Sell | Open Market | 3,325 | $106K | 4/1/2024 |
| Marinus Verwijs | ▲ Buy | Option Exercise | 5,300 | $77K | 4/1/2024 |
| Marinus Verwijs | ▼ Sell | Open Market | 3,796 | $110K | 4/1/2024 |
| Marinus Verwijs | ▼ Sell | Open Market | 1,504 | $45K | 4/1/2024 |
| George A. Eldridge | ▲ Buy | Option Exercise | 12,495 | $27K | 4/1/2024 |
| George A. Eldridge | ▼ Sell | Open Market | 12,495 | $390K | 4/1/2024 |
| Hunter Gillies | ▲ Buy | Option Exercise | 9,000 | $19K | 3/28/2024 |
| Hunter Gillies | ▼ Sell | Open Market | 9,000 | $266K | 3/28/2024 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 11,068 | $117K | 3/27/2024 |
| Benjamin T. Dake | ▼ Sell | Open Market | 11,068 | $310K | 3/27/2024 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 3,432 | $36K | 3/25/2024 |
| Benjamin T. Dake | ▼ Sell | Open Market | 3,432 | $96K | 3/25/2024 |
| Marinus Verwijs | ▲ Buy | Option Exercise | 5,300 | $77K | 3/19/2024 |
| Marinus Verwijs | ▼ Sell | Open Market | 2,536 | $65K | 3/19/2024 |
| Marinus Verwijs | ▼ Sell | Open Market | 2,764 | $73K | 3/19/2024 |
| Hunter Gillies | ▲ Buy | Option Exercise | 4,000 | $7K | 3/18/2024 |
| Hunter Gillies | ▲ Buy | Option Exercise | 3,000 | $6K | 3/18/2024 |
| Hunter Gillies | ▼ Sell | Open Market | 6,387 | $165K | 3/18/2024 |
| Hunter Gillies | ▼ Sell | Open Market | 613 | $16K | 3/18/2024 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 20,557 | $44K | 3/18/2024 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 14,500 | $154K | 3/18/2024 |
| Benjamin T. Dake | ▼ Sell | Open Market | 27,476 | $707K | 3/18/2024 |
| Benjamin T. Dake | ▼ Sell | Open Market | 7,581 | $201K | 3/18/2024 |
| George A. Eldridge | ▲ Buy | Option Exercise | 2,016 | $4K | 3/13/2024 |
| George A. Eldridge | ▼ Sell | Open Market | 2,016 | $50K | 3/13/2024 |
| George A. Eldridge | ▲ Buy | Option Exercise | 2,051 | $4K | 3/12/2024 |
| George A. Eldridge | ▼ Sell | Open Market | 2,051 | $51K | 3/12/2024 |
| George A. Eldridge | ▲ Buy | Option Exercise | 3,433 | $7K | 3/11/2024 |
| George A. Eldridge | ▼ Sell | Open Market | 3,423 | $86K | 3/11/2024 |
| George A. Eldridge | ▼ Sell | Open Market | 10 | $263 | 3/11/2024 |
| George A. Eldridge | ▲ Buy | Option Exercise | 114 | $244 | 3/8/2024 |
| George A. Eldridge | ▼ Sell | Open Market | 114 | $3K | 3/8/2024 |
| George A. Eldridge | ▲ Buy | Option Exercise | 22,386 | $48K | 3/7/2024 |
| George A. Eldridge | ▼ Sell | Open Market | 22,386 | $560K | 3/7/2024 |
| Hunter Gillies | ▲ Buy | Option Exercise | 8,975 | $19K | 3/7/2024 |
| Hunter Gillies | ▼ Sell | Open Market | 8,975 | $220K | 3/7/2024 |
| Hunter Gillies | ▲ Buy | Option Exercise | 511 | $889 | 2/23/2024 |
| Hunter Gillies | ▼ Sell | Open Market | 511 | $10K | 2/23/2024 |
| Hunter Gillies | ▲ Buy | Option Exercise | 3,489 | $6K | 2/20/2024 |
| Hunter Gillies | ▼ Sell | Open Market | 2,591 | $52K | 2/20/2024 |
| Hunter Gillies | ▼ Sell | Open Market | 898 | $18K | 2/20/2024 |
| NIVEN RALPH | ▲ Buy | Option Exercise | 1,400 | $2K | 2/5/2024 |
| NIVEN RALPH | ▲ Buy | Option Exercise | 3,200 | $7K | 2/5/2024 |
| NIVEN RALPH | ▼ Sell | Open Market | 4,600 | $80K | 2/5/2024 |
| Hunter Gillies | ▲ Buy | Option Exercise | 4,000 | $7K | 1/17/2024 |
| Hunter Gillies | ▼ Sell | Open Market | 4,000 | $78K | 1/17/2024 |
| NIVEN RALPH | ▲ Buy | Option Exercise | 1,400 | $2K | 1/5/2024 |
| NIVEN RALPH | ▲ Buy | Option Exercise | 3,200 | $7K | 1/5/2024 |
| NIVEN RALPH | ▼ Sell | Open Market | 2,126 | $40K | 1/5/2024 |
| NIVEN RALPH | ▼ Sell | Open Market | 2,474 | $48K | 1/5/2024 |
| Hunter Gillies | ▲ Buy | Option Exercise | 125 | $268 | 12/27/2023 |
| Hunter Gillies | ▼ Sell | Open Market | 125 | $3K | 12/27/2023 |
| Hunter Gillies | ▼ Sell | Open Market | 4,000 | $78K | 12/20/2023 |
| Hunter Gillies | ▲ Buy | Option Exercise | 9,897 | $17K | 12/14/2023 |
| Hunter Gillies | ▼ Sell | Open Market | 9,897 | $193K | 12/14/2023 |
| Hunter Gillies | ▲ Buy | Option Exercise | 4,000 | $7K | 12/13/2023 |
| Hunter Gillies | ▲ Buy | Option Exercise | 2,103 | $4K | 12/13/2023 |
| Hunter Gillies | ▼ Sell | Open Market | 2,103 | $41K | 12/13/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 2,411 | $4K | 12/6/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 7,872 | $17K | 12/6/2023 |
| Benjamin T. Dake | ▼ Sell | Open Market | 10,283 | $166K | 12/6/2023 |
| NIVEN RALPH | ▲ Buy | Option Exercise | 1,400 | $2K | 12/5/2023 |
| NIVEN RALPH | ▲ Buy | Option Exercise | 3,200 | $7K | 12/5/2023 |
| NIVEN RALPH | ▼ Sell | Open Market | 4,600 | $75K | 12/5/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 2,413 | $4K | 11/27/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 10,104 | $22K | 11/27/2023 |
| Benjamin T. Dake | ▼ Sell | Open Market | 12,517 | $203K | 11/27/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 4,990 | $11K | 11/24/2023 |
| Benjamin T. Dake | ▼ Sell | Open Market | 4,920 | $77K | 11/24/2023 |
| Benjamin T. Dake | ▼ Sell | Open Market | 70 | $1K | 11/24/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 2,412 | $4K | 11/22/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 6,970 | $15K | 11/22/2023 |
| Benjamin T. Dake | ▼ Sell | Open Market | 9,382 | $142K | 11/22/2023 |
| NIVEN RALPH | ▲ Buy | Option Exercise | 4,200 | $7K | 11/22/2023 |
| NIVEN RALPH | ▲ Buy | Option Exercise | 9,600 | $21K | 11/22/2023 |
| NIVEN RALPH | ▼ Sell | Open Market | 13,800 | $207K | 11/22/2023 |
| Marinus Verwijs | ▼ Sell | Open Market | 970 | $10K | 11/1/2023 |
| Timothy P. Noyes | ▼ Sell | Open Market | 1,092 | $11K | 11/1/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 30 | $64 | 9/7/2023 |
| Benjamin T. Dake | ▼ Sell | Open Market | 30 | $450 | 9/7/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 2,413 | $4K | 9/6/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 1,518 | $3K | 9/6/2023 |
| Benjamin T. Dake | ▼ Sell | Open Market | 3,931 | $59K | 9/6/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 2,412 | $4K | 8/7/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 7,871 | $17K | 8/7/2023 |
| Benjamin T. Dake | ▼ Sell | Open Market | 9,742 | $151K | 8/7/2023 |
| Benjamin T. Dake | ▼ Sell | Open Market | 541 | $9K | 8/7/2023 |
| Timothy P. Noyes | ▲ Buy | Option Exercise | 5,478 | $12K | 7/28/2023 |
| Timothy P. Noyes | ▼ Sell | Open Market | 5,478 | $99K | 7/28/2023 |
| Timothy P. Noyes | ▲ Buy | Option Exercise | 4,522 | $10K | 7/17/2023 |
| Timothy P. Noyes | ▼ Sell | Open Market | 4,522 | $82K | 7/17/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 2,412 | $4K | 7/6/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 7,871 | $17K | 7/6/2023 |
| Benjamin T. Dake | ▼ Sell | Open Market | 10,283 | $171K | 7/6/2023 |
| NIVEN RALPH | ▼ Sell | Open Market | 219 | $4K | 7/5/2023 |
| NIVEN RALPH | ▲ Buy | Option Exercise | 650 | $1K | 7/5/2023 |
| NIVEN RALPH | ▲ Buy | Option Exercise | 1,600 | $3K | 7/5/2023 |
| NIVEN RALPH | ▼ Sell | Open Market | 2,031 | $35K | 7/5/2023 |
| Timothy P. Noyes | ▲ Buy | Option Exercise | 10,000 | $21K | 7/3/2023 |
| Timothy P. Noyes | ▼ Sell | Open Market | 10,000 | $180K | 7/3/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 2,412 | $4K | 6/6/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 7,871 | $17K | 6/6/2023 |
| Benjamin T. Dake | ▼ Sell | Open Market | 10,268 | $167K | 6/6/2023 |
| Benjamin T. Dake | ▼ Sell | Open Market | 15 | $255 | 6/6/2023 |
| NIVEN RALPH | ▲ Buy | Option Exercise | 650 | $1K | 6/5/2023 |
| NIVEN RALPH | ▲ Buy | Option Exercise | 1,600 | $3K | 6/5/2023 |
| NIVEN RALPH | ▼ Sell | Open Market | 2,250 | $37K | 6/5/2023 |
| Hunter Gillies | ▲ Buy | Option Exercise | 65 | $113 | 5/19/2023 |
| Hunter Gillies | ▼ Sell | Open Market | 65 | $1K | 5/19/2023 |
| Hunter Gillies | ▲ Buy | Option Exercise | 1,090 | $2K | 5/17/2023 |
| Hunter Gillies | ▼ Sell | Open Market | 1,090 | $21K | 5/17/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 2,413 | $4K | 5/8/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 7,871 | $17K | 5/8/2023 |
| Benjamin T. Dake | ▼ Sell | Open Market | 8,685 | $188K | 5/8/2023 |
| Benjamin T. Dake | ▼ Sell | Open Market | 1,599 | $36K | 5/8/2023 |
| NIVEN RALPH | ▲ Buy | Option Exercise | 650 | $1K | 5/5/2023 |
| NIVEN RALPH | ▲ Buy | Option Exercise | 1,600 | $3K | 5/5/2023 |
| NIVEN RALPH | ▼ Sell | Open Market | 2,045 | $43K | 5/5/2023 |
| NIVEN RALPH | ▼ Sell | Open Market | 205 | $4K | 5/5/2023 |
| Marinus Verwijs | ▼ Sell | Open Market | 759 | $16K | 5/3/2023 |
| Timothy P. Noyes | ▼ Sell | Open Market | 693 | $15K | 5/2/2023 |
| Timothy P. Noyes | ▲ Buy | Option Exercise | 15,000 | $32K | 5/1/2023 |
| Timothy P. Noyes | ▼ Sell | Open Market | 15,000 | $309K | 5/1/2023 |
| Hunter Gillies | ▲ Buy | Option Exercise | 4,000 | $7K | 4/21/2023 |
| Hunter Gillies | ▼ Sell | Open Market | 4,000 | $78K | 4/21/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 2,412 | $4K | 4/6/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 7,871 | $17K | 4/6/2023 |
| Benjamin T. Dake | ▼ Sell | Open Market | 10,283 | $187K | 4/6/2023 |
| NIVEN RALPH | ▲ Buy | Option Exercise | 650 | $1K | 4/5/2023 |
| NIVEN RALPH | ▲ Buy | Option Exercise | 1,600 | $3K | 4/5/2023 |
| NIVEN RALPH | ▼ Sell | Open Market | 1,715 | $31K | 4/5/2023 |
| NIVEN RALPH | ▼ Sell | Open Market | 535 | $10K | 4/5/2023 |
| Timothy P. Noyes | ▲ Buy | Option Exercise | 15,000 | $32K | 4/3/2023 |
| Timothy P. Noyes | ▼ Sell | Open Market | 9,172 | $176K | 4/3/2023 |
| Timothy P. Noyes | ▼ Sell | Open Market | 5,828 | $115K | 4/3/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 2,412 | $4K | 3/6/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 7,870 | $17K | 3/6/2023 |
| Benjamin T. Dake | ▼ Sell | Open Market | 215 | $5K | 3/6/2023 |
| NIVEN RALPH | ▲ Buy | Option Exercise | 650 | $1K | 3/6/2023 |
| NIVEN RALPH | ▲ Buy | Option Exercise | 1,600 | $3K | 3/6/2023 |
| NIVEN RALPH | ▼ Sell | Open Market | 2,205 | $52K | 3/6/2023 |
| NIVEN RALPH | ▼ Sell | Open Market | 45 | $1K | 3/6/2023 |
| Benjamin T. Dake | ▼ Sell | Open Market | 10,067 | $239K | 3/6/2023 |
| Timothy P. Noyes | ▲ Buy | Option Exercise | 15,000 | $32K | 3/1/2023 |
| Timothy P. Noyes | ▼ Sell | Open Market | 5,962 | $135K | 3/1/2023 |
| Timothy P. Noyes | ▼ Sell | Open Market | 2,672 | $64K | 3/1/2023 |
| Timothy P. Noyes | ▼ Sell | Open Market | 5,316 | $131K | 3/1/2023 |
| Timothy P. Noyes | ▼ Sell | Open Market | 1,050 | $27K | 3/1/2023 |
| NIVEN RALPH | ▲ Buy | Option Exercise | 650 | $1K | 2/6/2023 |
| NIVEN RALPH | ▲ Buy | Option Exercise | 1,600 | $3K | 2/6/2023 |
| NIVEN RALPH | ▼ Sell | Open Market | 2,250 | $55K | 2/6/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 2,412 | $4K | 2/6/2023 |
| Benjamin T. Dake | ▲ Buy | Option Exercise | 7,872 | $17K | 2/6/2023 |