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MPLT EFFECT: SEC filing

MapLight Therapeutics, Inc.

Filed with the SEC on · accession 9999999995-26-003044

MPLT filed a EFFECT (effect) with the SEC on Sep 23, 2026. A report the company filed with the SEC (the US market regulator). The stock moved -0.8% by the first close after the filing.

Summary of the filing

MapLight 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

FilerMapLight Therapeutics, Inc.

How MPLT stock reacted

Close before

$10.86

Sep 22, 2026

First close after

-0.83%

$10.77

5 trading days

-6.54%

$10.15

Since filing

-36.19%

$6.93

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Frequently asked questions

What did MPLT file with the SEC on Sep 23, 2026?

MPLT filed a EFFECT (SEC filing). MapLight 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 MPLT stock react to this filing?

MPLT closed at $10.86 before the filing and $10.77 on Sep 23, 2026 (-0.83%). Five trading days later: $10.15 (-6.54%).

Other MPLT SEC filings

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