Zenas BioPharma, Inc. — SCHEDULE 13D Filings
2 SCHEDULE 13D filings on record
This page lists all SCHEDULE 13D 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 SCHEDULE 13D documents with the SEC since 2022. To view all SEC filings by Zenas BioPharma, Inc., see the full filings list.
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 |
|---|---|---|---|---|
| SCHEDULE 13D | — | 0001104659-26-003758 | Jan 14, 2026 | — |
| SCHEDULE 13D | — | 0001104659-25-057322 | Jun 6, 2025 | — |