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MYGN 8-K: Regulatory action

Filed with the SEC on · accession 0001628280-26-070659

MYGN filed a 8-K (current report) with the SEC on Nov 5, 2026. Myriad Genetics detected unauthorized access to its IT network on November 2, 2026, prompting it to temporarily suspend testing operations and order management systems while investigating the scope of the breach. The stock moved +4.5% by the first close after the filing.

Summary of the filing

Myriad Genetics detected unauthorized access to its IT network on November 2, 2026, prompting it to temporarily suspend testing operations and order management systems while investigating the scope of the breach. The company says most systems have returned to normal and it does not currently believe the incident will have a material adverse effect.

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

Key details

RegistrantMyriad Genetics, Inc.
Chief financial officerBenjamin R. Wheeler

How MYGN stock reacted

Close before

$6.02

Nov 4, 2026

First close after

+4.49%

$6.29

5 trading days

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Since filing

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Frequently asked questions

What did MYGN file with the SEC on Nov 5, 2026?

MYGN filed a 8-K (Regulatory action). Myriad Genetics detected unauthorized access to its IT network on November 2, 2026, prompting it to temporarily suspend testing operations and order management systems while investigating the scope of the breach. The company says most systems have returned to normal and it does not currently believe the incident will have a material adverse effect.

What does a regulatory action mean for MYGN stock?

A settlement removes uncertainty; the stock often reacts to whether the amount is bigger or smaller than investors expected.

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 MYGN stock react to this filing?

MYGN closed at $6.02 before the filing and $6.29 on Nov 5, 2026 (+4.49%).

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