Form4insider filings, from the source

Company · CIK 0001953926 · SIC 2834 — Pharmaceutical Preparations · Nasdaq

Zenas BioPharma, Inc. · ZBIO

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Feb 5, 2026 AForm 4 →Jun 17, 6:00 pm EDTJoseph L FarmerSee Remarks974$13.35$13,003974— late
Feb 5, 2026 AForm 4 →Jun 17, 6:00 pm EDTJennifer A. FoxSee Remarks1,592$13.35$21,2531,592— late

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

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 1, 2026 AForm 4 →Sep 2, 4:02 pm EDTChristy J. OligerDirector37,000——37,000—
Jun 15, 2026 AForm 4 →Jun 17, 6:09 pm EDTJason Raleigh NunnDirector18,500——18,500—
Jun 15, 2026 AForm 4 →Jun 17, 6:03 pm EDTHongbo LuDirector18,500——18,500—
Jun 15, 2026 AForm 4 →Jun 17, 6:02 pm EDTLeon O Moulder Jr.See Remarks, Director500,000——500,000—
Jun 15, 2026 AForm 4 →Jun 17, 6:02 pm EDTJohn J OrloffDirector18,500——18,500—
Jun 15, 2026 AForm 4 →Jun 17, 6:02 pm EDTLisa von MoltkeSee Remarks150,000——150,000—
Jun 15, 2026 AForm 4 →Jun 17, 6:01 pm EDTPatricia L AllenDirector18,500——18,500—
Jun 15, 2026 AForm 4 →Jun 17, 6:01 pm EDTJames P BoylanDirector18,500——18,500—
Jun 15, 2026 AForm 4 →Jun 17, 6:00 pm EDTPatrick G EnrightDirector18,500——18,500—
Jun 15, 2026 AForm 4 →Jun 17, 6:00 pm EDTJoseph L FarmerSee Remarks175,000——175,000—
Jun 15, 2026 AForm 4 →Jun 17, 6:00 pm EDTJennifer A. FoxSee Remarks125,000——125,000—