AMLX 10-Q: SEC filing

Amylyx Pharmaceuticals

Filed with the SEC on Nov 5, 2026 · accession 0001193125-26-448529

AMLX filed a 10-Q (quarterly report) with the SEC on Nov 5, 2026. The quarterly report: unaudited results for the quarter plus management’s comments. The stock moved -6.1% by the first close after the filing.

Summary of the filing

Amylyx Pharmaceuticals filed its quarterly 10-Q report for the period ending September 30, 2026, reporting financial results and segment data for its AMX0035, avexitide, and other programs.

For details, click here →How to read a 10-Q →

Key details

FilerAmylyx Pharmaceuticals, Inc.

How AMLX stock reacted

Close before

$29.40

Nov 4, 2026

First close after

-6.05%

$27.62

5 trading days

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Since filing

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Frequently asked questions

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

AMLX filed a 10-Q (SEC filing). Amylyx Pharmaceuticals filed its quarterly 10-Q report for the period ending September 30, 2026, reporting financial results and segment data for its AMX0035, avexitide, and other programs.

How do I read a 10-Q?

The quarterly report: unaudited results for the quarter plus management’s comments. Compare revenue, margins and cash flow with the same quarter last year. Check MD&A for guidance changes and what drove the quarter.

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 10-Q (quarterly report): The quarterly report: unaudited results for the quarter plus management’s comments.

How did AMLX stock react to this filing?

AMLX closed at $29.40 before the filing and $27.62 on Nov 5, 2026 (-6.05%).

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