MATTEL INC /DE/ — Director's Dealing 2025

Apr 29, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MATTEL INC /DE/ (MAT)
CIK: 0000063276
Period of Report: 2025-04-25

Reporting Person: Hugh Yoon J. (SVP & Corporate Controller)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-04-25	Common Stock	M	4168	—	Acquired	22348	Direct
2025-04-25	Common Stock	F	1492	$15.68	Disposed	20856	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-04-25	Restricted Stock Units	$	M	4168	Disposed		Common Stock (4168)	Direct

Footnotes

F1: As reported on a Form 4 dated April 25, 2024 and filed on April 29, 2024, the Reporting Person received a grant of 12,633 Restricted Stock Units ("RSUs" or "Units") on April 25, 2024. 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 April 25, 2025, the first 33% of these RSUs vested, resulting in the issuance of 4,168 shares of Mattel, Inc. Common Stock.

F2: Pursuant to the terms of the April 25, 2024 RSU grant, 1,492 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.