Zenas BioPharma, Inc. — 4 Filings
45 4 filings on record
This page lists all 4 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 45 4 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 |
|---|---|---|---|---|
| 4 | OWNERSHIP DOCUMENT | 0001104659-26-015387 | Feb 13, 2026 | Feb 11, 2026 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-26-015342 | Feb 13, 2026 | Feb 12, 2026 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-26-009756 | Feb 3, 2026 | Feb 2, 2026 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-26-002589 | Jan 9, 2026 | Jan 7, 2026 |
| 4 | 4 | 0001193125-25-239158 | Oct 14, 2025 | Oct 9, 2025 |
| 4 | 4 | 0001193125-25-239153 | Oct 14, 2025 | Oct 9, 2025 |
| 4 | 4 | 0001193125-25-238326 | Oct 14, 2025 | Oct 9, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-098413 | Oct 9, 2025 | Oct 7, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-098362 | Oct 9, 2025 | Oct 7, 2025 |
| 4 | — | 0000919574-25-006031 | Oct 9, 2025 | Sep 13, 2024 |
| 4 | 4 | 0000950170-25-085531 | Jun 12, 2025 | Jun 10, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-058943 | Jun 12, 2025 | Jun 10, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-058940 | Jun 12, 2025 | Jun 10, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-058935 | Jun 12, 2025 | Jun 10, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-058933 | Jun 12, 2025 | Jun 10, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-058930 | Jun 12, 2025 | Jun 10, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-058927 | Jun 12, 2025 | Jun 10, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-058924 | Jun 12, 2025 | Jun 10, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-058922 | Jun 12, 2025 | Jun 10, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-058918 | Jun 12, 2025 | Jun 10, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-058914 | Jun 12, 2025 | Jun 10, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-035996 | Apr 17, 2025 | Apr 15, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-015145 | Feb 19, 2025 | Feb 18, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-011505 | Feb 11, 2025 | Feb 7, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-129778 | Dec 18, 2024 | Dec 16, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-129776 | Dec 18, 2024 | Dec 16, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-125677 | Dec 4, 2024 | Dec 3, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-121081 | Nov 20, 2024 | Nov 18, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-101773 | Sep 20, 2024 | Sep 18, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-101030 | Sep 18, 2024 | Sep 16, 2024 |
| 4 | — | 0001415889-24-023609 | Sep 18, 2024 | Sep 16, 2024 |
| 4 | — | 0000919574-24-005530 | Sep 17, 2024 | Sep 13, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-100339 | Sep 16, 2024 | Sep 12, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-100338 | Sep 16, 2024 | Sep 12, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-100337 | Sep 16, 2024 | Sep 12, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-100335 | Sep 16, 2024 | Sep 12, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-100333 | Sep 16, 2024 | Sep 12, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-100332 | Sep 16, 2024 | Sep 12, 2024 |
| 4 | 4 | 0000950170-24-106979 | Sep 16, 2024 | — |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-100330 | Sep 16, 2024 | Sep 12, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-100328 | Sep 16, 2024 | Sep 12, 2024 |
| 4 | 4 | 0000950170-24-106978 | Sep 16, 2024 | — |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-100327 | Sep 16, 2024 | Sep 12, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-100326 | Sep 16, 2024 | Sep 12, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-100325 | Sep 16, 2024 | Sep 12, 2024 |