Jade Biosciences, Inc. (JBIO)

Latest Insider Confidence Score

2026Q1

50.1
Bullish

Company insider confidence (by quarter)

2021Q2 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Healy James 10% Owner 3,401,544 Jul 6, 2021
Sofinnova Venture Partners X, L.P. 10% Owner 3,401,544 Jul 6, 2021
Sofinnova Management X, L.L.C. 10% Owner 3,401,544 Jul 6, 2021
Kiselak Tomas — 2,655,817 Oct 8, 2025
Fairmount Funds Management LLC — 2,655,817 Oct 8, 2025

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Feb 12, 2026 Feb 13, 2026 Dahms Bradford D. CFO Neutral 90.0 +37,813 100.00% ✗ -
Feb 12, 2026 Feb 13, 2026 Balta Elizabeth Officer Neutral 90.0 +28,125 100.00% ✗ -
Feb 12, 2026 Feb 13, 2026 Frohlich Tom CEO Neutral 90.0 +78,750 1038.78% ✗ -
Feb 12, 2026 Feb 13, 2026 King Andrew James Officer Neutral 90.0 +41,250 11.96% ✗ -
Oct 6, 2025 Oct 8, 2025 Fairmount Funds Management LLC Director Neutral 90.0 +1,333,126 41.40% ✗ -
Jul 14, 2025 Jul 14, 2025 Dahms Bradford D. CFO Neutral 52.5 - 0.00% ✗ -
Jul 14, 2025 Dahms Bradford D. CFO Neutral 52.5 - 0.00% ✗ -
May 16, 2025 May 19, 2025 Frohlich Tom CEO Buy 91.3 +6,000 100.00% ✗ $44.4K
Apr 29, 2025 May 1, 2025 Fairmount Funds Management LLC Director Neutral 52.5 - 0.00% ✗ -
Apr 29, 2025 May 1, 2025 Lavelle Erin Director Neutral 52.5 - 0.00% ✗ -
Apr 29, 2025 May 1, 2025 Klein Lawrence Otto Director Neutral 52.5 - 0.00% ✗ -
Apr 29, 2025 May 1, 2025 CAIN CHRISTOPHER W. Director Neutral 52.5 - 0.00% ✗ -
Apr 29, 2025 May 1, 2025 DOBMEIER ERIC Director Neutral 52.5 - 0.00% ✗ -
May 1, 2025 Fairmount Funds Management LLC Director Neutral 52.5 - 0.00% ✗ -
May 1, 2025 Lavelle Erin Director Neutral 52.5 - 0.00% ✗ -
May 1, 2025 Klein Lawrence Otto Director Neutral 52.5 - 0.00% ✗ -
May 1, 2025 CAIN CHRISTOPHER W. Director Neutral 52.5 - 0.00% ✗ -
May 1, 2025 DOBMEIER ERIC Director Neutral 52.5 - 0.00% ✗ -
May 1, 2025 Balta Elizabeth Officer Neutral 52.5 - 0.00% ✗ -
May 1, 2025 Kocinsky Hetal Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
May 1, 2025 King Andrew James Officer Neutral 52.5 - 0.00% ✗ -
May 1, 2025 Quick Jonathan Officer Neutral 52.5 - 0.00% ✗ -
May 1, 2025 Frohlich Tom CEO Neutral 52.5 - 0.00% ✗ -
Apr 28, 2025 Apr 30, 2025 RA CAPITAL MANAGEMENT, L.P. 10% Owner Neutral 90.0 +1,062,326 471.03% ✗ -
Jul 31, 2024 Aug 2, 2024 Dake Benjamin T Officer Neutral 52.5 - 0.00% ✗ -
Jun 17, 2024 Jun 20, 2024 RA CAPITAL MANAGEMENT, L.P. Director Buy 100.0 +928,110 13.32% ✗ $1.5M
Jun 14, 2024 Jun 14, 2024 Eldridge George A Officer Sell 7.5 -15,000 -74.92% ✓ $375.5K
Jun 14, 2024 Jun 14, 2024 Verwijs Marinus CHIEF TECHNICAL OFFICER Sell 7.5 -10,600 -100.00% ✓ $265K
Jun 13, 2024 Jun 14, 2024 Gillies Hunter CHIEF MEDICAL OFFICER Sell 10.0 -6,000 -51.72% ✓ $147K
Jun 5, 2024 Jun 7, 2024 RA CAPITAL MANAGEMENT, L.P. Director Neutral 52.5 - 0.00% ✗ -
Jun 5, 2024 Jun 7, 2024 Santel Donald J Director Neutral 52.5 - 0.00% ✗ -
Jun 5, 2024 Jun 7, 2024 Resnick Joshua Director Neutral 52.5 - 0.00% ✗ -
Jun 5, 2024 Jun 7, 2024 Katabi Maha Director Neutral 52.5 - 0.00% ✗ -
Jun 5, 2024 Jun 7, 2024 Iwicki Mark T Director Neutral 52.5 - 0.00% ✗ -
Jun 5, 2024 Jun 7, 2024 GRAYZEL DAVID S. Director Neutral 52.5 - 0.00% ✗ -
Jun 5, 2024 Jun 7, 2024 Dable Habib J Director Neutral 52.5 - 0.00% ✗ -
Jun 5, 2024 Jun 7, 2024 Dorval Allison Director Neutral 52.5 - 0.00% ✗ -
May 17, 2024 May 17, 2024 Gillies Hunter CHIEF MEDICAL OFFICER Sell 10.0 -4,000 -41.66% ✓ $84.3K
May 16, 2024 May 17, 2024 NOYES TIMOTHY P CEO Sell 10.0 -10,000 -100.00% ✓ $215.8K
May 2, 2024 May 3, 2024 Verwijs Marinus CHIEF TECHNICAL OFFICER Sell 26.3 -1,981 -100.00% ✗ $41.6K
May 1, 2024 May 3, 2024 NOYES TIMOTHY P CEO Sell 10.0 -11,357 -92.17% ✓ $230.9K
Apr 17, 2024 Apr 19, 2024 Dake Benjamin T Officer Sell 10.0 -6,853 -84.15% ✓ $153.3K
Apr 17, 2024 Apr 19, 2024 Gillies Hunter CHIEF MEDICAL OFFICER Sell 10.0 -4,000 -55.16% ✓ $89.5K
Apr 16, 2024 Apr 18, 2024 NOYES TIMOTHY P CEO Sell 10.0 -10,000 -100.00% ✓ $247K
Apr 10, 2024 Apr 12, 2024 Eldridge George A Officer Sell 10.0 -7,500 -79.28% ✓ $201.4K
Apr 9, 2024 Apr 11, 2024 GRAYZEL DAVID S. Director Sell 30.0 -11,882 -0.66% ✗ $334.5K
Apr 1, 2024 Apr 3, 2024 NOYES TIMOTHY P CEO Sell 7.5 -10,000 -100.00% ✓ $300K
Apr 1, 2024 Apr 3, 2024 Dake Benjamin T Officer Sell 10.0 -3,325 -72.03% ✓ $106.3K
Apr 1, 2024 Apr 3, 2024 Verwijs Marinus CHIEF TECHNICAL OFFICER Sell 10.0 -5,300 -100.00% ✓ $154.7K
Apr 1, 2024 Apr 3, 2024 Eldridge George A Officer Sell 7.5 -12,495 -86.44% ✓ $390.2K
Mar 28, 2024 Apr 1, 2024 Gillies Hunter CHIEF MEDICAL OFFICER Sell 7.5 -9,000 -73.46% ✓ $265.5K
Mar 27, 2024 Mar 28, 2024 Dake Benjamin T Officer Sell 7.5 -11,068 -89.55% ✓ $309.5K
Mar 25, 2024 Mar 27, 2024 Dake Benjamin T Officer Sell 10.0 -3,432 -72.67% ✓ $96.1K
Mar 19, 2024 Mar 20, 2024 Verwijs Marinus CHIEF TECHNICAL OFFICER Sell 10.0 -5,300 -100.00% ✓ $138.2K
Mar 18, 2024 Mar 20, 2024 Gillies Hunter CHIEF MEDICAL OFFICER Sell 10.0 -7,000 -68.29% ✓ $181.1K
Mar 18, 2024 Mar 20, 2024 Dake Benjamin T Officer Sell 7.5 -35,057 -96.45% ✓ $908K
Mar 12, 2024 Mar 14, 2024 Eldridge George A Officer Sell 10.0 -4,067 -50.92% ✓ $101.8K
Mar 7, 2024 Mar 11, 2024 Eldridge George A Officer Sell 7.5 -25,933 -76.76% ✓ $649.2K
Mar 7, 2024 Mar 11, 2024 Gillies Hunter CHIEF MEDICAL OFFICER Sell 10.0 -8,975 -73.41% ✓ $219.9K
Mar 4, 2024 Mar 6, 2024 Dable Habib J Director Neutral 52.5 - 0.00% ✗ -
Feb 23, 2024 Feb 27, 2024 Gillies Hunter CHIEF MEDICAL OFFICER Sell 30.0 -511 -13.58% ✓ $10K
Feb 20, 2024 Feb 22, 2024 Gillies Hunter CHIEF MEDICAL OFFICER Sell 10.0 -3,489 -51.77% ✓ $70.6K
Feb 5, 2024 Feb 7, 2024 NIVEN RALPH CHIEF SCIENTIFIC OFFICER Sell 10.0 -4,600 -74.09% ✓ $80.2K
Jan 29, 2024 Jan 31, 2024 NOYES TIMOTHY P CEO Neutral 52.5 - 0.00% ✗ -
Jan 22, 2024 Jan 24, 2024 Pigot Timothy CHIEF COMMERCIAL OFFICER Neutral 52.5 - 0.00% ✗ -
Jan 22, 2024 Jan 24, 2024 Verwijs Marinus CHIEF TECHNOLOGY OFFICER Neutral 52.5 - 0.00% ✗ -
Jan 22, 2024 Jan 24, 2024 NIVEN RALPH CHIEF SCIENTIFIC OFFICER Neutral 52.5 - 0.00% ✗ -
Jan 22, 2024 Jan 24, 2024 Gillies Hunter CHIEF MEDICAL OFFICER Neutral 52.5 - 0.00% ✗ -
Jan 22, 2024 Jan 24, 2024 Dake Benjamin T Officer Neutral 52.5 - 0.00% ✗ -
Jan 22, 2024 Jan 24, 2024 Eldridge George A Officer Neutral 52.5 - 0.00% ✗ -
Jan 17, 2024 Jan 19, 2024 Gillies Hunter CHIEF MEDICAL OFFICER Sell 10.0 -4,000 -55.16% ✓ $78K
Jan 5, 2024 Jan 8, 2024 NIVEN RALPH CHIEF SCIENTIFIC OFFICER Sell 10.0 -4,600 -74.09% ✓ $88.1K
Jan 2, 2024 Jan 4, 2024 Santel Donald J Director Neutral 52.5 - 0.00% ✗ -
Jan 2, 2024 Jan 4, 2024 Dable Habib J Director Neutral 52.5 - 0.00% ✗ -
Jan 2, 2024 Jan 4, 2024 Katabi Maha Director Neutral 52.5 - 0.00% ✗ -
Jan 2, 2024 Jan 4, 2024 GRAYZEL DAVID S. Director Neutral 52.5 - 0.00% ✗ -
Dec 27, 2023 Dec 29, 2023 Gillies Hunter CHIEF MEDICAL OFFICER Sell 42.5 -125 -3.70% ✓ $3.1K
Dec 13, 2023 Dec 22, 2023 Gillies Hunter CHIEF MEDICAL OFFICER Sell 10.0 -4,000 -55.16% ✓ $78K
Dec 13, 2023 Dec 15, 2023 Gillies Hunter CHIEF MEDICAL OFFICER Sell 10.0 -12,000 -64.86% ✓ $234K
Dec 5, 2023 Dec 7, 2023 NIVEN RALPH CHIEF SCIENTIFIC OFFICER Sell 10.0 -4,600 -74.09% ✓ $75K
Dec 6, 2023 Dec 7, 2023 Dake Benjamin T Officer Sell 10.0 -10,283 -88.85% ✓ $165.6K
Nov 27, 2023 Nov 29, 2023 Dake Benjamin T Officer Sell 10.0 -12,517 -90.65% ✓ $203.2K
Nov 22, 2023 Nov 27, 2023 Dake Benjamin T Officer Sell 10.0 -14,372 -78.47% ✓ $220.9K
Nov 22, 2023 Nov 27, 2023 NIVEN RALPH CHIEF SCIENTIFIC OFFICER Sell 10.0 -13,800 -89.56% ✓ $207K
Nov 1, 2023 Nov 3, 2023 Verwijs Marinus CHIEF TECHNOLOGY OFFICER Sell 26.3 -970 -100.00% ✗ $10.1K
Nov 1, 2023 Nov 3, 2023 NOYES TIMOTHY P CEO Sell 13.8 -1,092 -100.00% ✓ $11.4K
Sep 6, 2023 Sep 8, 2023 Dake Benjamin T Officer Sell 10.0 -3,961 -60.54% ✓ $59.6K
Aug 7, 2023 Aug 9, 2023 Dake Benjamin T Officer Sell 10.0 -10,283 -88.85% ✓ $159.6K
Jul 28, 2023 Aug 1, 2023 NOYES TIMOTHY P CEO Sell 10.0 -5,478 -100.00% ✓ $98.6K
Jul 17, 2023 Jul 19, 2023 NOYES TIMOTHY P CEO Sell 10.0 -4,522 -100.00% ✓ $81.9K
Jul 10, 2023 Jul 11, 2023 Dable Habib J Director Neutral 52.5 - 0.00% ✗ -
Jul 11, 2023 Dable Habib J Director Neutral 52.5 - 0.00% ✗ -
Jul 6, 2023 Jul 7, 2023 Dake Benjamin T Officer Sell 10.0 -10,283 -88.85% ✓ $171.3K
Jul 5, 2023 Jul 7, 2023 NIVEN RALPH CHIEF SCIENTIFIC OFFICER Sell 13.8 -2,250 -58.31% ✓ $38.9K
Jul 3, 2023 Jul 5, 2023 NOYES TIMOTHY P CEO Sell 10.0 -10,000 -100.00% ✓ $180K
Jun 6, 2023 Jun 8, 2023 RA CAPITAL MANAGEMENT, L.P. Director Neutral 52.5 - 0.00% ✗ -
Jun 6, 2023 Jun 8, 2023 Dake Benjamin T Officer Sell 10.0 -10,283 -88.85% ✓ $167.4K
Jun 6, 2023 Jun 8, 2023 Santel Donald J Director Neutral 52.5 - 0.00% ✗ -
Jun 6, 2023 Jun 8, 2023 Katabi Maha Director Neutral 52.5 - 0.00% ✗ -
Jun 6, 2023 Jun 8, 2023 GRAYZEL DAVID S. Director Neutral 52.5 - 0.00% ✗ -