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ATYR 8-K: Shelf registration

aTyr Pharma

Filed with the SEC on · accession 0001339970-26-000085

ATYR 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 +5.3% by the first close after the filing.

Summary of the filing

aTyr Pharma filed a prospectus supplement under its existing shelf registration statement to sell up to $79,994,251 of common stock through an at-the-market (Open Market Sale) agreement with Jefferies LLC.

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

Key details

Aggregate offering price of common stock under the prospectus supplement$80.0M
IssueraTyr Pharma, Inc.
Sales agent under open market sale agreementJefferies LLC
Legal counsel providing opinion and consentCooley LLP
Chief financial officerBrandon Yaras

How ATYR stock reacted

Close before

$6.03

Nov 5, 2026

First close after

+5.31%

$6.35

5 trading days

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Since filing

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Frequently asked questions

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

ATYR filed a 8-K (Shelf registration). aTyr Pharma filed a prospectus supplement under its existing shelf registration statement to sell up to $79,994,251 of common stock through an at-the-market (Open Market Sale) agreement with Jefferies LLC.

What does a shelf registration mean for ATYR stock?

New shares dilute existing holders and are often sold at a discount to the market price.

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 ATYR stock react to this filing?

ATYR closed at $6.03 before the filing and $6.35 on Nov 6, 2026 (+5.31%).

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