Zenas BioPharma, Inc. SEC filings ZBIO
Zenas BioPharma, Inc. has 190 filings in SEC EDGAR's recent list, going back to Nov 15, 2022. Its latest annual report, Form ARS, was filed on Mar 16, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 13, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 13, 2026 (regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| ARS | Annual report to shareholders | Mar 16, 2026 | Dec 31, 2025 |
| 10-K | Annual report | Mar 16, 2026 | Dec 31, 2025 |
| ARS | Annual report to shareholders | Apr 28, 2025 | Dec 31, 2024 |
| 10-K | Annual report | Mar 11, 2025 | Dec 31, 2024 |
Showing 4 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- ZBIO (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Waltham, MA
- SEC filer status
- , Emerging growth company
- SEC CIK
- 1953926
- Former names
- Zenas BioPharma (Cayman) Ltd (until Nov 15, 2022)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.