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NASDAQ:ZBIO News 30 December 2025 - 6 January 2026

Zenas BioPharma stock slides again premarket after INDIGO Phase 3 data sparks fresh scrutiny

Zenas BioPharma stock slides again premarket after INDIGO Phase 3 data sparks fresh scrutiny

New York, January 6, 2026, 08:44 EST — Premarket Zenas BioPharma (ZBIO.O) shares were down 5.8% at $15.66 in premarket trading on Tuesday after ending Monday down 51.9% at $16.61. MarketScreener The slide follows a late-stage readout for the company’s lead drug obexelimab in IgG4-related disease (IgG4-RD), a rare immune condition that can inflame and scar organs. Zenas met the…
6 January 2026
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Zenas BioPharma stock slides 5% today as biotech shares sag; Phase 3 INDIGO data in focus

Zenas BioPharma stock slides 5% today as biotech shares sag; Phase 3 INDIGO data in focus

NEW YORK, December 30, 2025, 02:05 PM ET — Regular session Zenas BioPharma Inc shares fell $2.02, or 5.2%, to $37.03 in afternoon trading on Tuesday, after ending the prior session at $39.05. The stock ranged from $36.94 to $40.50, with about 123,000 shares traded. The drop came as biotech stocks eased in thin year-end trading, with the Nasdaq Biotechnology…
30 December 2025
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Zenas BioPharma (ZBIO) stock steadies in premarket after 8% slide as INDIGO trial timing stays in focus

Zenas BioPharma (ZBIO) stock steadies in premarket after 8% slide as INDIGO trial timing stays in focus

NEW YORK, December 30, 2025, 09:17 ET — Premarket Zenas BioPharma, Inc. shares were flat in premarket trading on Tuesday, with the stock last indicated at $39.05 as of 9:00 a.m. ET. The biotech closed down 8.1% on Monday. Public The pause comes at a sensitive point on the calendar for investors: the company has told investors to expect a…
30 December 2025
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