ALAB SCHEDULE 13G/A: SEC filing
Astera Labs, Inc.
Filed with the SEC on · accession 0000315066-26-002348
ALAB filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Oct 7, 2026. Astera Labs, Inc. (ALAB) filed a Schedule 13G/A, an amendment to a previously filed passive ownership statement, indicating a change in a shareholder's passive stake. The stock moved -1.9% by the first close after the filing.
Summary of the filing
Astera Labs, Inc. (ALAB) filed a Schedule 13G/A, an amendment to a previously filed passive ownership statement, indicating a change in a shareholder's passive stake. The filing does not disclose a specific corporate event.
Key details
How ALAB stock reacted
Close before
$389.80
Oct 6, 2026
First close after
-1.94%
$382.25
5 trading days
-16.52%
$325.41
Since filing
-51.94%
$187.32
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Click hereFrequently asked questions
What did ALAB file with the SEC on Oct 7, 2026?
ALAB filed a SCHEDULE 13G/A (SEC filing). Astera Labs, Inc. (ALAB) filed a Schedule 13G/A, an amendment to a previously filed passive ownership statement, indicating a change in a shareholder's passive stake. The filing does not disclose a specific corporate event.
How do I read a SCHEDULE 13G/A?
A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.
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 SCHEDULE 13G/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).
How did ALAB stock react to this filing?
ALAB closed at $389.80 before the filing and $382.25 on Oct 7, 2026 (-1.94%). Five trading days later: $325.41 (-16.52%).
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