ZBIO 8-K: SEC filing

Zenas BioPharma

Filed with the SEC on Nov 6, 2026 · accession 0001104659-26-123885

ZBIO filed a 8-K (current report) with the SEC on Nov 6, 2026. A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more. The stock moved +9.0% by the first close after the filing.

Summary of the filing

Zenas BioPharma filed a Form 8-K cover page dated November 6, 2026, with no substantive event items disclosed in the provided text.

For details, click here →How to read a 8-K →

Key details

FilerZenas BioPharma, Inc.

How ZBIO stock reacted

Close before

$25.93

Nov 5, 2026

First close after

+8.99%

$28.26

5 trading days

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Since filing

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Frequently asked questions

What did ZBIO file with the SEC on Nov 6, 2026?

ZBIO filed a 8-K (SEC filing). Zenas BioPharma filed a Form 8-K cover page dated November 6, 2026, with no substantive event items disclosed in the provided text.

How do I read a 8-K?

A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more. The "Item" number tells you the topic (e.g. 2.02 results, 5.02 executive change, 1.01 new agreement, 1.03 bankruptcy). Exhibits (99.1 press release) usually hold the details.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A 8-K (current report): A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more.

How did ZBIO stock react to this filing?

ZBIO closed at $25.93 before the filing and $28.26 on Nov 6, 2026 (+8.99%).

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