(MAT)

Reporting relationship: Director
Issuer ticker: MAT
Reported as of: 28 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 01 Jun 2026, 17:51:50 UTC
Prior SEC filing: 10 Mar 2026
Next SEC filing: 18 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Tiffani Magri, Attorney-in-Fact for Julius Genachowski

Key filing fact

Julius Genachowski filed Form 4 for MATTEL INC /DE/ (MAT) on 01 Jun 2026.

Key facts

This page summarizes Julius Genachowski's Form 4 filing for MATTEL INC /DE/ (MAT).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 01 Jun 2026, 17:51.

Change

Previous filing in this sequence was filed on 10 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001184231 Primary reporting owner

GENACHOWSKI JULIUS

Relationship: Director
Address: 333 CONTINENTAL BOULEVARD, EL SEGUNDO
Signature: /s/ Tiffani Magri, Attorney-in-Fact for Julius Genachowski
Signature date: 01 Jun 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MAT transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +11,753
Change %
Price: $0.000000^*
Shares after: 11,753
Date: 28 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 11,753
Exercise price
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

The Restricted Stock Units ("RSUs" or "Units") were granted on May 28, 2026 pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended. The RSUs are accompanied by dividend equivalent rights.

Footnote F2

The RSUs are fully vested on the date of grant. Vested RSUs generally will be settled on the third anniversary of the date of grant or such later date in accordance with the terms of the Mattel, Inc. Deferred Compensation Plan for Non-Employee Directors. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Mattel, Inc. Common Stock.