QNCX EFFECT: SEC filing

Quince Therapeutics, Inc.

Filed with the SEC on Aug 24, 2026 · accession 9999999995-26-002741

QNCX filed a EFFECT (effect) with the SEC on Aug 24, 2026. A report the company filed with the SEC (the US market regulator). The stock moved -1.3% by the first close after the filing.

Summary of the filing

Quince 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

FilerQuince Therapeutics, Inc.

How QNCX stock reacted

Close before

$33.93

Aug 21, 2026

First close after

-1.33%

$33.48

5 trading days

-0.53%

$33.75

Since filing

-6.48%

$31.73

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Frequently asked questions

What did QNCX file with the SEC on Aug 24, 2026?

QNCX filed a EFFECT (SEC filing). Quince 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 QNCX stock react to this filing?

QNCX closed at $33.93 before the filing and $33.48 on Aug 24, 2026 (-1.33%). Five trading days later: $33.75 (-0.53%).

Other QNCX SEC filings

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