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ALLO SCHEDULE 13D/A: SEC filing

An amendment to a Schedule 13D was

Filed with the SEC on · accession 0001999371-26-021654

ALLO filed a SCHEDULE 13D/A (schedule 13d/a) with the SEC on Sep 30, 2026. An amendment to a Schedule 13D was filed regarding Allogene Therapeutics, Inc. (ALLO). The stock moved -1.2% by the first close after the filing.

Summary of the filing

An amendment to a Schedule 13D was filed regarding Allogene Therapeutics, Inc. (ALLO). The filing directory listing does not contain substantive details about the change in ownership or intent.

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Key details

Subject companyAllogene Therapeutics, Inc.

How ALLO stock reacted

Close before

$1.62

Sep 29, 2026

First close after

-1.23%

$1.60

5 trading days

-9.88%

$1.46

Since filing

-35.80%

$1.04

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Frequently asked questions

What did ALLO file with the SEC on Sep 30, 2026?

ALLO filed a SCHEDULE 13D/A (SEC filing). An amendment to a Schedule 13D was filed regarding Allogene Therapeutics, Inc. (ALLO). The filing directory listing does not contain substantive details about the change in ownership or intent.

How do I read a SCHEDULE 13D/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 13D/A (schedule 13d/a): A report the company filed with the SEC (the US market regulator).

How did ALLO stock react to this filing?

ALLO closed at $1.62 before the filing and $1.60 on Sep 30, 2026 (-1.23%). Five trading days later: $1.46 (-9.88%).

Other ALLO SEC filings

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