JBIO Insider Transactions
217 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
JBIO insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|---|---|---|---|---|
| Frohlich Tom | Chief Executive Officer | 2025-05-16 | Purchase | 6,000.0 | $7.4 |
| RA Capital Healthcare Fund LP | Director,TenPercentOwner | 2024-06-17 | Purchase | 928,110.0 | $1.67 |
| RA CAPITAL MANAGEMENT, L.P. | Director,TenPercentOwner | 2024-06-17 | Purchase | 928,110.0 | $1.67 |
| Kolchinsky Peter | Director,TenPercentOwner | 2024-06-17 | Purchase | 928,110.0 | $1.67 |
| Shah Rajeev M. | Director,TenPercentOwner | 2024-06-17 | Purchase | 928,110.0 | $1.67 |
| RA Capital Nexus Fund, L.P. | Director | 2024-06-17 | Purchase | 928,110.0 | $1.67 |
| Eldridge George A | SEE REMARKS | 2024-06-14 | Sale | 15,000.0 | $25.03 |
| Verwijs Marinus | CHIEF TECHNICAL OFFICER | 2024-06-14 | Sale | 10,600.0 | $25.0 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | 2024-06-13 | Sale | 6,000.0 | $24.5 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | 2024-05-17 | Sale | 86.0 | $21.86 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | 2024-05-17 | Sale | 3,914.0 | $21.07 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | 2024-05-16 | Sale | 1,293.0 | $21.92 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | 2024-05-16 | Sale | 8,707.0 | $21.52 |
| Verwijs Marinus | CHIEF TECHNICAL OFFICER | 2024-05-02 | Sale | 1,981.0 | $21.02 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | 2024-05-01 | Sale | 1,357.0 | $19.91 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | 2024-05-01 | Sale | 965.0 | $20.87 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | 2024-05-01 | Sale | 9,035.0 | $20.34 |
| Dake Benjamin T | SEE REMARKS | 2024-04-17 | Sale | 68.0 | $23.97 |
| Dake Benjamin T | SEE REMARKS | 2024-04-17 | Sale | 338.0 | $23.17 |
| Dake Benjamin T | SEE REMARKS | 2024-04-17 | Sale | 6,447.0 | $22.32 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | 2024-04-17 | Sale | 311.0 | $23.33 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | 2024-04-17 | Sale | 3,689.0 | $22.3 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | 2024-04-16 | Sale | 5,509.0 | $24.94 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | 2024-04-16 | Sale | 4,491.0 | $24.4 |
| Eldridge George A | SEE REMARKS | 2024-04-10 | Sale | 771.0 | $27.56 |
| Eldridge George A | SEE REMARKS | 2024-04-10 | Sale | 6,729.0 | $26.77 |
| GRAYZEL DAVID S. | Director | 2024-04-09 | Sale | 11,882.0 | $28.15 |
| Verwijs Marinus | CHIEF TECHNICAL OFFICER | 2024-04-01 | Sale | 1,504.0 | $30.0 |
| Verwijs Marinus | CHIEF TECHNICAL OFFICER | 2024-04-01 | Sale | 3,796.0 | $28.87 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | 2024-04-01 | Sale | 1,000.0 | $31.95 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | 2024-04-01 | Sale | 2,851.0 | $31.02 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | 2024-04-01 | Sale | 1,647.0 | $29.9 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | 2024-04-01 | Sale | 4,502.0 | $28.96 |
| Dake Benjamin T | SEE REMARKS | 2024-04-01 | Sale | 3,325.0 | $31.97 |
| Eldridge George A | SEE REMARKS | 2024-04-01 | Sale | 12,495.0 | $31.23 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | 2024-03-28 | Sale | 9,000.0 | $29.5 |
| Dake Benjamin T | SEE REMARKS | 2024-03-27 | Sale | 11,068.0 | $27.97 |
| Dake Benjamin T | SEE REMARKS | 2024-03-25 | Sale | 3,432.0 | $28.01 |
| Verwijs Marinus | CHIEF TECHNICAL OFFICER | 2024-03-19 | Sale | 2,764.0 | $26.46 |
| Verwijs Marinus | CHIEF TECHNICAL OFFICER | 2024-03-19 | Sale | 2,536.0 | $25.68 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | 2024-03-18 | Sale | 613.0 | $26.4 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | 2024-03-18 | Sale | 6,387.0 | $25.81 |
| Dake Benjamin T | SEE REMARKS | 2024-03-18 | Sale | 7,581.0 | $26.48 |
| Dake Benjamin T | SEE REMARKS | 2024-03-18 | Sale | 27,476.0 | $25.74 |
| Eldridge George A | SEE REMARKS | 2024-03-13 | Sale | 2,016.0 | $25.02 |
| Eldridge George A | SEE REMARKS | 2024-03-12 | Sale | 2,051.0 | $25.05 |
| Eldridge George A | SEE REMARKS | 2024-03-11 | Sale | 10.0 | $26.31 |
| Eldridge George A | SEE REMARKS | 2024-03-11 | Sale | 3,423.0 | $25.24 |
| Eldridge George A | SEE REMARKS | 2024-03-08 | Sale | 114.0 | $25.0 |
| Eldridge George A | SEE REMARKS | 2024-03-07 | Sale | 22,386.0 | $25.0 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | 2024-03-07 | Sale | 8,975.0 | $24.5 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | 2024-02-23 | Sale | 511.0 | $19.5 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | 2024-02-20 | Sale | 898.0 | $20.58 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | 2024-02-20 | Sale | 2,591.0 | $20.11 |
| NIVEN RALPH | CHIEF SCIENTIFIC OFFICER | 2024-02-05 | Sale | 4,600.0 | $17.45 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | 2024-01-17 | Sale | 4,000.0 | $19.5 |
| NIVEN RALPH | CHIEF SCIENTIFIC OFFICER | 2024-01-05 | Sale | 2,474.0 | $19.57 |
| NIVEN RALPH | CHIEF SCIENTIFIC OFFICER | 2024-01-05 | Sale | 2,126.0 | $18.67 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | 2023-12-27 | Sale | 125.0 | $24.5 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | 2023-12-20 | Sale | 4,000.0 | $19.5 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | 2023-12-14 | Sale | 9,897.0 | $19.5 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | 2023-12-13 | Sale | 2,103.0 | $19.5 |
| Dake Benjamin T | SEE REMARKS | 2023-12-06 | Sale | 10,283.0 | $16.11 |
| NIVEN RALPH | CHIEF SCIENTIFIC OFFICER | 2023-12-05 | Sale | 4,600.0 | $16.3 |
| Dake Benjamin T | SEE REMARKS | 2023-11-27 | Sale | 12,517.0 | $16.24 |
| Dake Benjamin T | SEE REMARKS | 2023-11-24 | Sale | 70.0 | $16.07 |
| Dake Benjamin T | SEE REMARKS | 2023-11-24 | Sale | 4,920.0 | $15.74 |
| Dake Benjamin T | SEE REMARKS | 2023-11-22 | Sale | 9,382.0 | $15.17 |
| NIVEN RALPH | CHIEF SCIENTIFIC OFFICER | 2023-11-22 | Sale | 13,800.0 | $15.0 |
| Verwijs Marinus | CHIEF TECHNOLOGY OFFICER | 2023-11-01 | Sale | 970.0 | $10.46 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | 2023-11-01 | Sale | 1,092.0 | $10.42 |
| Dake Benjamin T | SEE REMARKS | 2023-09-07 | Sale | 30.0 | $15.01 |
| Dake Benjamin T | SEE REMARKS | 2023-09-06 | Sale | 3,931.0 | $15.06 |
| Dake Benjamin T | SEE REMARKS | 2023-08-07 | Sale | 541.0 | $16.25 |
| Dake Benjamin T | SEE REMARKS | 2023-08-07 | Sale | 9,742.0 | $15.48 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | 2023-07-28 | Sale | 5,478.0 | $18.0 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | 2023-07-17 | Sale | 4,522.0 | $18.11 |
| Dake Benjamin T | SEE REMARKS | 2023-07-06 | Sale | 10,283.0 | $16.66 |
| NIVEN RALPH | CHIEF SCIENTIFIC OFFICER | 2023-07-05 | Sale | 219.0 | $17.87 |
| NIVEN RALPH | CHIEF SCIENTIFIC OFFICER | 2023-07-05 | Sale | 2,031.0 | $17.23 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | 2023-07-03 | Sale | 10,000.0 | $18.0 |
| Dake Benjamin T | SEE REMARKS | 2023-06-06 | Sale | 15.0 | $16.98 |
| Dake Benjamin T | SEE REMARKS | 2023-06-06 | Sale | 10,268.0 | $16.28 |
| NIVEN RALPH | CHIEF SCIENTIFIC OFFICER | 2023-06-05 | Sale | 2,250.0 | $16.26 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | 2023-05-19 | Sale | 65.0 | $19.5 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | 2023-05-17 | Sale | 1,090.0 | $19.59 |
| Dake Benjamin T | SEE REMARKS | 2023-05-08 | Sale | 1,599.0 | $22.74 |
| Dake Benjamin T | SEE REMARKS | 2023-05-08 | Sale | 8,685.0 | $21.62 |
| NIVEN RALPH | CHIEF SCIENTIFIC OFFICER | 2023-05-05 | Sale | 205.0 | $21.63 |
| NIVEN RALPH | CHIEF SCIENTIFIC OFFICER | 2023-05-05 | Sale | 2,045.0 | $20.79 |
| Verwijs Marinus | SENIOR VICE PRESIDENT, CMC | 2023-05-03 | Sale | 759.0 | $20.79 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | 2023-05-02 | Sale | 693.0 | $21.15 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | 2023-05-01 | Sale | 15,000.0 | $20.61 |
| Gillies Hunter | CHIEF MEDICAL OFFICER | 2023-04-21 | Sale | 4,000.0 | $19.5 |
| Dake Benjamin T | SEE REMARKS | 2023-04-06 | Sale | 10,283.0 | $18.17 |
| NIVEN RALPH | CHIEF SCIENTIFIC OFFICER | 2023-04-05 | Sale | 535.0 | $19.11 |
| NIVEN RALPH | CHIEF SCIENTIFIC OFFICER | 2023-04-05 | Sale | 1,715.0 | $17.91 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | 2023-04-03 | Sale | 5,828.0 | $19.77 |
| NOYES TIMOTHY P | CHIEF EXECUTIVE OFFICER | 2023-04-03 | Sale | 9,172.0 | $19.16 |
| Dake Benjamin T | SEE REMARKS | 2023-03-06 | Sale | 215.0 | $24.5 |