(MAT)

Role: EVP, Chief People Officer
Signature: /s/ Tiffani Magri, Attorney-in-Fact for Karen Ancira
Issuer symbol: MAT
Transactions as of: 30 May 2025
Net transactions value: -$113,148
Form type: 4
Filing time: 03 Jun 2025, 17:21:17 UTC
Previous filing: 09 May 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Ancira Karen	EVP, Chief People Officer	333 CONTINENTAL BOULEVARD, EL SEGUNDO	/s/ Tiffani Magri, Attorney-in-Fact for Karen Ancira	03 Jun 2025	0002024410

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MAT	Common Stock	Options Exercise		+16,694			16,694	30 May 2025	Direct	F1
transaction	MAT	Common Stock	Tax liability	$113,148	-5,974	-36%	$18.94	10,720	30 May 2025	Direct	F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	MAT	Restricted Stock Units	Options Exercise	$0	-16,694	-33%	$0.000000	33,896	30 May 2025	Common Stock	16,694		Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	As reported on a Form 4 dated May 31, 2024 and filed on June 4, 2024, the Reporting Person received a grant of 50,590 Restricted Stock Units ("RSUs" or "Units") on May 31, 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 May 30, 2025, the first 33% of these RSUs vested, resulting in the issuance of 16,694 shares of Mattel, Inc. Common Stock.
F2	Pursuant to the terms of the May 31, 2024 RSU grant, 5,974 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.

Content

As reported on a Form 4 dated May 31, 2024 and filed on June 4, 2024, the Reporting Person received a grant of 50,590 Restricted Stock Units ("RSUs" or "Units") on May 31, 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 May 30, 2025, the first 33% of these RSUs vested, resulting in the issuance of 16,694 shares of Mattel, Inc. Common Stock.

Pursuant to the terms of the May 31, 2024 RSU grant, 5,974 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.