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Zenas BioPharma, Inc. — DEFA14A Filings

2 DEFA14A filings on record

This page lists all DEFA14A filings submitted to the SEC by Zenas BioPharma, Inc. (ZBIO), sorted by most recent first. Each row links to the full filing on EdgarLookup. Zenas BioPharma, Inc. has filed 2 DEFA14A documents with the SEC since 2022. To view all SEC filings by Zenas BioPharma, Inc., see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-Q 3 4 4/A 424B4 424B5 424B7 8-A12B 8-K ARS CERT CORRESP D DEF 14A DEFA14A DRS DRS/A DRSLTR EFFECT FWP S-1 S-1/A S-1MEF S-3ASR S-8 SC 13D SC 13G SCHEDULE 13D SCHEDULE 13D/A SCHEDULE 13G SCHEDULE 13G/A SEC STAFF LETTER UPLOAD
Form Description Accession Number Filed Period
DEFA14A DEFA14A 0001104659-26-028064 Mar 16, 2026 —
DEFA14A DEFA14A 0001104659-25-039768 Apr 28, 2025 —