Jade Biosciences, Inc (JBIO) insider trading
Every open-market stock purchase and sale by Jade Biosciences, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- No open-market insider trades in the last 12 months.
- Last insider buy: Tom Frohlich (CEO), $44.4K, 17 months ago.
Last 12 months: insiders bought $0 (0 buys) and sold $0 (0 sales).
Recent JBIO insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Jun 25, 2026 | Mark Eisner (Insider) | Bought (not open market) | — |
| Jun 9, 2026 | Christopher W. Cain (Insider) | Bought (not open market) | — |
| Jun 9, 2026 | Lawrence Otto Klein (Insider) | Bought (not open market) | — |
| Jun 9, 2026 | Fairmount Funds Management LLC (Insider) | Bought (not open market) | — |
| Jun 9, 2026 | Erin Lavelle (Insider) | Bought (not open market) | — |
| Jun 9, 2026 | Eric Dobmeier (Insider) | Bought (not open market) | — |
| Feb 12, 2026 | Tom Frohlich (CEO) | Bought (not open market) | — |
| Feb 12, 2026 | Tom Frohlich (CEO) | Bought (not open market) | — |
| Feb 12, 2026 | Elizabeth Balta (Insider) | Bought (not open market) | — |
| Feb 12, 2026 | Elizabeth Balta (Insider) | Bought (not open market) | — |
| Feb 12, 2026 | Andrew James King (Insider) | Bought (not open market) | — |
| Feb 12, 2026 | Andrew James King (Insider) | Bought (not open market) | — |
| Feb 12, 2026 | Bradford D. Dahms (CFO) | Bought (not open market) | — |
| Feb 12, 2026 | Bradford D. Dahms (CFO) | Bought (not open market) | — |
| Oct 6, 2025 | Fairmount Funds Management LLC (10% owner) | Bought (not open market) | $12.2M |
| Oct 6, 2025 | Fairmount Funds Management LLC (10% owner) | Bought (not open market) | $7.8M |
Who's trading JBIO
- Mark Eisner, Insider: other filings, last Jun 25, 2026
- Eric Dobmeier, Insider: other filings, last Jun 9, 2026
- Christopher W. Cain, Insider: other filings, last Jun 9, 2026
- Lawrence Otto Klein, Insider: other filings, last Jun 9, 2026
- Erin Lavelle, Insider: other filings, last Jun 9, 2026
- Fairmount Funds Management LLC, 10% owner: other filings, last Jun 9, 2026
- Elizabeth Balta, Insider: other filings, last Feb 12, 2026
- Bradford D. Dahms, CFO: other filings, last Feb 12, 2026
- Tom Frohlich, CEO: other filings, last Feb 12, 2026
- Andrew James King, Insider: other filings, last Feb 12, 2026
Get free alerts when an insider at Jade Biosciences, Inc files a new trade →