Zenas BioPharma, Inc. — All Filings
153 total filings on record
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| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 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 |
| 8-K | FORM 8-K | 0001104659-25-058892 | Jun 12, 2025 | Jun 10, 2025 |
| SCHEDULE 13D | — | 0001104659-25-057322 | Jun 6, 2025 | — |
| 8-K | FORM 8-K | 0001104659-25-056215 | Jun 4, 2025 | — |
| 10-Q | 10-Q | 0001558370-25-007803 | May 15, 2025 | Mar 31, 2025 |
| 8-K | FORM 8-K | 0001104659-25-048948 | May 15, 2025 | — |
| SCHEDULE 13G/A | — | 0000315066-25-001413 | May 12, 2025 | — |
| 4/A | OWNERSHIP DOCUMENT | 0001104659-25-039771 | Apr 28, 2025 | Feb 7, 2025 |
| ARS | ARS | 0001104659-25-039770 | Apr 28, 2025 | Dec 31, 2024 |
| DEFA14A | DEFA14A | 0001104659-25-039768 | Apr 28, 2025 | — |
| DEF 14A | DEF 14A | 0001104659-25-039765 | Apr 28, 2025 | Jun 10, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-035996 | Apr 17, 2025 | Apr 15, 2025 |
| SCHEDULE 13G | — | 0000950170-25-048850 | Apr 1, 2025 | — |
| 3 | OWNERSHIP DOCUMENT | 0001104659-25-026630 | Mar 21, 2025 | Mar 17, 2025 |
| S-8 | FORM S-8 | 0001104659-25-022386 | Mar 11, 2025 | — |
| 10-K | 10-K | 0001558370-25-002631 | Mar 11, 2025 | Dec 31, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-015145 | Feb 19, 2025 | Feb 18, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-011505 | Feb 11, 2025 | Feb 7, 2025 |
| 8-K | FORM 8-K | 0001104659-25-009368 | Feb 5, 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 |
| 8-K | FORM 8-K | 0001104659-24-124616 | Dec 2, 2024 | — |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-121081 | Nov 20, 2024 | Nov 18, 2024 |
| SC 13G | — | 0000315066-24-002940 | Nov 12, 2024 | — |
| 10-Q | 10-Q | 0001558370-24-015162 | Nov 12, 2024 | Sep 30, 2024 |
| 8-K | FORM 8-K | 0001104659-24-116346 | Nov 12, 2024 | — |
| SC 13G | NEA 18 VENTURE GROWTH EQUITY, L.P. -- ZENAS BIOPHARMA, INC. 13G | 0001072613-24-000733 | Sep 25, 2024 | — |
| SC 13D | SC 13D | 0001193125-24-223899 | Sep 23, 2024 | — |
| SC 13D | SC 13D | 0001193125-24-223879 | Sep 23, 2024 | — |
| SC 13D | SC 13D | 0001104659-24-102046 | Sep 23, 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/A | OWNERSHIP DOCUMENT | 0001104659-24-100766 | Sep 17, 2024 | Sep 12, 2024 |
| 4/A | OWNERSHIP DOCUMENT | 0001104659-24-100765 | Sep 17, 2024 | Sep 12, 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 |