(MAT)

Reporting relationship: SVP & Corporate Controller
Issuer ticker: MAT
Reported as of: 07 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 11 May 2026, 16:53:11 UTC
Prior SEC filing: 05 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Tiffani Magri, Attorney-in-Fact for Yoon J. Hugh

Key filing fact

Yoon J. Hugh filed Form 4 for MATTEL INC /DE/ (MAT) on 11 May 2026.

Key facts

This page summarizes Yoon J. Hugh's Form 4 filing for MATTEL INC /DE/ (MAT).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 11 May 2026, 16:53.

Change

Previous filing in this sequence was filed on 05 May 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 0001474865 Primary reporting owner

Hugh Yoon J.

Relationship: SVP & Corporate Controller
Address: 333 CONTINENTAL BOULEVARD, EL SEGUNDO
Signature: /s/ Tiffani Magri, Attorney-in-Fact for Yoon J. Hugh
Signature date: 11 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MAT transaction

Common Stock

Options Exercise

Transaction value
Shares: +4,417
Change %: +12%
Price
Shares after: 40,282
Date: 07 May 2026
Ownership: Direct
Footnotes: F1

MAT transaction

Common Stock

Tax liability

Transaction value
Shares: -1,585
Change %: -3.9%
Price: $15.00^*
Shares after: 38,697
Date: 07 May 2026
Ownership: Direct
Footnotes: F2

Reported derivative securities

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

MAT transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -4,417
Change %: -33%
Price: $0.000000^*
Shares after: 8,970
Date: 07 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 4,417
Exercise price
Footnotes: F1

^* 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

As reported on a Form 4 dated May 7, 2025 and filed on May 9, 2025, the Reporting Person received a grant of 13,387 Restricted Stock Units ("RSUs" or "Units") on May 7, 2025. The RSUs vest as to (a) 33% of the Units granted on the first anniversary of the date of grant, (b) an additional 33% of the Units granted on the second anniversary of the date of grant, and (c) the remaining 34% of the Units granted on the third anniversary of the date of grant. On each vesting date, for each Unit vesting on such date, the Reporting Person will receive one share of Mattel, Inc. Common Stock, subject to tax withholding. On May 7, 2026, the first 33% of these RSUs vested, resulting in the issuance of 4,417 shares of Mattel, Inc. Common Stock.

Footnote F2

Pursuant to the terms of the May 7, 2025 RSU grant, 1,585 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.