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.

Zenas BioPharma, Inc. SEC filings
Form Description Filed Period
8-K Current report
Regulation FD disclosure
Oct 13, 2026 Oct 12, 2026
8-K Current report
Results of operations, Officer or director change
Aug 13, 2026 Aug 12, 2026
8-K Current report
Results of operations, Officer or director change, Shareholder vote results
May 13, 2026 May 11, 2026
8-K Current report
Material agreement, New debt, Other events
Mar 31, 2026 Mar 26, 2026
8-K Current report
Results of operations
Mar 16, 2026 Mar 16, 2026
8-K Current report
Officer or director change
Feb 13, 2026 Feb 10, 2026
8-K Current report
Results of operations, Regulation FD disclosure, Other events
Jan 5, 2026 Jan 5, 2026
8-K Current report
Officer or director change
Dec 15, 2025 Dec 10, 2025
8-K Current report
Results of operations
Nov 12, 2025 Nov 12, 2025
8-K Current report
Regulation FD disclosure, Other events
Oct 27, 2025 Oct 27, 2025
8-K Current report
Material agreement, Results of operations, Unregistered share sale, Regulation FD disclosure, Other events
Oct 8, 2025 Oct 7, 2025
8-K Current report
Material agreement, Acquisition or sale of assets, New debt, Regulation FD disclosure
Sep 2, 2025 Sep 2, 2025
8-K Current report
Results of operations
Aug 12, 2025 Aug 12, 2025
8-K Current report
Officer or director change, Shareholder vote results
Jun 12, 2025 Jun 10, 2025
8-K Current report
Regulation FD disclosure
Jun 4, 2025 Jun 4, 2025
8-K Current report
Results of operations
May 15, 2025 May 15, 2025
8-K Current report
Results of operations
Feb 5, 2025 Feb 5, 2025
8-K Current report
Regulation FD disclosure
Dec 2, 2024 Dec 2, 2024
8-K Current report
Results of operations
Nov 12, 2024 Nov 12, 2024
8-K Current report
Bylaw or fiscal year change
Sep 16, 2024 Sep 16, 2024

Showing 20 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.

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)

Other Pharmaceutical Preparations companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.