ALLO EFFECT: SEC filing

Allogene Therapeutics, Inc.

Filed with the SEC on Aug 20, 2026 · accession 9999999995-26-002725

ALLO filed a EFFECT (effect) with the SEC on Aug 20, 2026. A report the company filed with the SEC (the US market regulator). The stock moved -5.8% by the first close after the filing.

Summary of the filing

Allogene Therapeutics, Inc. filed an EFFECT notice with the SEC, indicating that a previously filed registration statement has become effective.

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Key details

FilerAllogene Therapeutics, Inc.

How ALLO stock reacted

Close before

$2.23

Aug 19, 2026

First close after

-5.83%

$2.10

5 trading days

-8.52%

$2.04

Since filing

-51.12%

$1.09

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Frequently asked questions

What did ALLO file with the SEC on Aug 20, 2026?

ALLO filed a EFFECT (SEC filing). Allogene Therapeutics, Inc. filed an EFFECT notice with the SEC, indicating that a previously filed registration statement has become effective.

How do I read a EFFECT?

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 EFFECT (effect): A report the company filed with the SEC (the US market regulator).

How did ALLO stock react to this filing?

ALLO closed at $2.23 before the filing and $2.10 on Aug 20, 2026 (-5.83%). Five trading days later: $2.04 (-8.52%).

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