Form4insider filings, from the source

Company · CIK 0001798749 · SIC 2834 — Pharmaceutical Preparations · Nasdaq

Jade Biosciences, Inc. · JBIO

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported at this company — common stock

No reported common-stock activity in this period.

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jun 25, 2026 AForm 4 →Jun 26, 9:20 pm EDTMark EisnerDirector47,675——47,675—
Jun 9, 2026 AForm 4 →Jun 11, 4:47 pm EDTChristopher W. CainDirector34,843——34,843—
Jun 9, 2026 AForm 4 →Jun 11, 4:42 pm EDTEric DobmeierDirector34,843——34,843—
Jun 9, 2026 AForm 4 →Jun 11, 4:41 pm EDTLawrence Otto KleinDirector34,843——34,843—
Jun 9, 2026 AForm 4 →Jun 11, 4:37 pm EDTErin LavelleDirector34,843——34,843—
Jun 9, 2026 AForm 4 →Jun 11, 4:37 pm EDTFairmount Funds Management LLC +4Director, 10% Owner34,843——34,843—