MGNX 8-K: SEC filing

Filed with the SEC on Nov 13, 2026 · accession 0001125345-26-000077

MGNX filed a 8-K (current report) with the SEC on Nov 13, 2026. A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more. The stock moved -3.9% by the first close after the filing.

Summary of the filing

MacroGenics made available an updated corporate presentation on its website reflecting updated clinical program details, furnished as Exhibit 99.1 to the 8-K under Regulation FD.

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

Key details

RegistrantMacroGenics, Inc.

Senior vice president, general counsel and corporate secretaryJeffrey Peters

How MGNX stock reacted

Close before

$2.29

Nov 12, 2026

First close after

-3.93%

$2.20

5 trading days

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Since filing

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Frequently asked questions

What did MGNX file with the SEC on Nov 13, 2026?

MGNX filed a 8-K (SEC filing). MacroGenics made available an updated corporate presentation on its website reflecting updated clinical program details, furnished as Exhibit 99.1 to the 8-K under Regulation FD.

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 MGNX stock react to this filing?

MGNX closed at $2.29 before the filing and $2.20 on Nov 13, 2026 (-3.93%).

Other MGNX SEC filings

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