SEPTInvestingStart Free

MAT SCHEDULE 13G: SEC filing

A Schedule 13G was

Filed with the SEC on · accession 0000936753-26-000047

MAT filed a SCHEDULE 13G (schedule 13g) with the SEC on Aug 14, 2026. A Schedule 13G was filed regarding Mattel Inc. (MAT), indicating a passive institutional ownership position. The stock moved +1.0% by the first close after the filing.

Summary of the filing

A Schedule 13G was filed regarding Mattel Inc. (MAT), indicating a passive institutional ownership position. The filing text provided contains only the EDGAR directory listing and no substantive ownership details.

For details, click here →

Key details

IssuerMattel Inc.

How MAT stock reacted

Close before

$14.88

Aug 13, 2026

First close after

+1.01%

$15.03

5 trading days

-1.08%

$14.72

Since filing

+3.16%

$15.35

✦ Ask GOAX AI about this filing — what it means for MAT, what changed since its last filings and what to watch next.

Try it free for 7 days

🔔 Want to stay updated on new SEC filings for MAT?

Click here

Frequently asked questions

What did MAT file with the SEC on Aug 14, 2026?

MAT filed a SCHEDULE 13G (SEC filing). A Schedule 13G was filed regarding Mattel Inc. (MAT), indicating a passive institutional ownership position. The filing text provided contains only the EDGAR directory listing and no substantive ownership details.

How do I read a SCHEDULE 13G?

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 (schedule 13g): A report the company filed with the SEC (the US market regulator).

How did MAT stock react to this filing?

MAT closed at $14.88 before the filing and $15.03 on Aug 14, 2026 (+1.01%). Five trading days later: $14.72 (-1.08%).

Other MAT SEC filings

Get alerts when MAT files with the SEC, plus live charts, key levels and news for 13,000+ stocks.

Try SEPT free for 7 days
MAT overviewMAT analysisMAT newsLatest SEC filings