ZBIO Zenas BioPharma, Inc.
company
SEC Filings & Insider Trading Activity 2026

CIK: 1953926
Health Care
Pharmaceutical Preparations 11 filings
Russell 2000

Latest Zenas BioPharma, Inc. (ZBIO) SEC EDGAR filings in 2026 — including the most recent 10-K annual report filed on March 16, 2026, a 10-Q quarterly report filed on November 12, 2025, an 8-K current report filed on March 31, 2026. SignalX aggregates every new 10-K annual report, 10-Q quarterly report, 8-K current report, and Form 4 insider transaction for Zenas BioPharma, Inc. (ZBIO) (SEC CIK 1953926), with AI-powered section-by-section summaries updated daily.

8-K: 5
10-Q: 4
10-K: 2

Latest 2026 SEC Filing Dates

10-K Annual Report
Mar 16, 2026
10-Q Quarterly Report
Nov 12, 2025
8-K Current Report
Mar 31, 2026

AI 8-K Current Report Analysis
Recent 8-K Filings

Filed Mar 16, 2026
8-K
Full analysis →

Item 2.02: Results of Operations and Financial Condition

  • Q4 and full-year 2025 financial results announced March 16, 2026
  • Actual figures in Exhibit 99.1 press release — key metrics not detailed in this filing item

Recent 8-K Filings
Current Reports

AI-powered analysis of Zenas BioPharma, Inc. (ZBIO) 8-K current reports disclosing material events.

Latest 2026 SEC Filings — 10-K, 10-Q, 8-K & Form 4

FormFiling DatePeriodAnalysisSEC
8-K
Mar 31, 2026
10-K
Mar 16, 2026Dec 31, 2025
8-K
Mar 16, 2026Analysis
8-K
Feb 13, 2026
8-K
Jan 5, 2026
8-K
Dec 15, 2025
10-Q
Nov 12, 2025Sep 30, 2025
10-Q
Aug 12, 2025Jun 30, 2025
10-Q
May 15, 2025Mar 31, 2025
10-K
Mar 11, 2025Dec 31, 2024
10-Q
Nov 12, 2024Sep 30, 2024

Frequently Asked Questions

What are the latest ZBIO SEC filings in 2026?

Zenas BioPharma, Inc. (ZBIO) has filed a 10-K annual report on March 16, 2026, a 10-Q quarterly report on November 12, 2025, an 8-K current report on March 31, 2026 with the SEC. SignalX tracks every new SEC EDGAR filing daily, including 10-K, 10-Q, 8-K, and Form 4 insider transactions, with AI-powered summaries of key sections.

When did ZBIO file its most recent 10-K annual report?

Zenas BioPharma, Inc. (ZBIO) filed its most recent 10-K annual report on March 16, 2026. The 10-K includes audited financial statements, business overview, risk factors, and management discussion, all available on SignalX with AI-generated summaries and XBRL financial data.

How do I view ZBIO 10-Q quarterly reports?

Zenas BioPharma, Inc. (ZBIO)'s most recent 10-Q quarterly report was filed on November 12, 2025. SignalX displays every ZBIO 10-Q with AI-generated summaries of the MD&A (Management Discussion & Analysis) and Risk Factors sections, plus links to the original SEC EDGAR document.

What 8-K current reports has ZBIO filed recently?

Zenas BioPharma, Inc. (ZBIO)'s most recent 8-K was filed on March 31, 2026. 8-K filings disclose material corporate events such as earnings releases, executive changes, mergers, and other significant developments. SignalX surfaces each 8-K with item-level summaries so you can quickly see what happened.

Where can I find ZBIO insider trading activity (Form 4)?

SignalX aggregates every ZBIO Form 4 insider transaction from SEC EDGAR. Form 4 reports show when officers, directors, and 10% shareholders buy or sell company stock, with transaction code, share count, and price per share.

How often does ZBIO file with the SEC?

Zenas BioPharma, Inc. (ZBIO) files a 10-K annual report once per year (typically within 60 days of fiscal year-end) and 10-Q quarterly reports three times per year. 8-K current reports are filed as needed when material events occur, and Form 4 insider transaction reports are due within two business days of a trade. SignalX monitors SEC EDGAR daily to surface every new ZBIO filing with AI-powered analysis.

What is the difference between 10-K, 10-Q, and 8-K SEC filings?

A 10-K is a comprehensive annual report with audited financials, business overview, and risk factors. A 10-Q is a shorter quarterly report with unaudited financials and management discussion. An 8-K is a current report filed when a material event occurs — such as earnings releases, executive changes, acquisitions, or other significant developments. SignalX provides AI-generated summaries for all three filing types for Zenas BioPharma, Inc. (ZBIO).

What is ZBIO's SEC CIK number?

Zenas BioPharma, Inc. (ZBIO)'s SEC CIK (Central Index Key) number is 1953926. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 1953926 to look up all ZBIO filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.

Where can I find ZBIO return on equity (ROE) and financial data?

SignalX extracts XBRL financial data from Zenas BioPharma, Inc. (ZBIO) 10-K annual filings, including revenue, net income, gross profit, operating income, EPS, total assets, stockholders' equity, and operating cash flow. Return on equity (ROE) can be derived from net income divided by stockholders' equity. Multi-year financial trends are displayed in the Financial Summary table above.

Stay on top of Zenas BioPharma, Inc. SEC filings

Insider trading data, fund holdings, cross-signal detection, and AI-powered analysis for 11+ filings.