Mattel (MAT) director Noreena Hertz receives 11,753 fully vested RSUs

Rhea-AI Filing Summary

Hertz Noreena reported acquisition or exercise transactions in this Form 4 filing.

Mattel, Inc. director Noreena Hertz received a grant of 11,753 Restricted Stock Units (RSUs). The award was granted on May 28, 2026 under Mattel's Amended and Restated 2010 Equity and Long-Term Compensation Plan and includes dividend equivalent rights.

The RSUs are fully vested on the grant date, and 11,753 units are reported as held directly after the transaction. These vested RSUs are generally scheduled to settle in shares of Mattel common stock on the third anniversary of the grant date or a later date under the company’s deferred compensation plan for non-employee directors.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Hertz Noreena

Role null

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	11,753	$0.00	--

Holdings After Transaction: Restricted Stock Units — 11,753 shares (Direct, null)

Footnotes (1)

1. 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. 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.

Key Figures

RSUs granted: 11,753 units Price per RSU: $0.0000 per unit RSUs after transaction: 11,753 units +1 more

4 metrics

RSUs granted 11,753 units Restricted Stock Units granted on May 28, 2026

Price per RSU $0.0000 per unit Grant price for RSUs

RSUs after transaction 11,753 units Total derivative holdings following grant

Underlying common shares 11,753 shares Common stock underlying the RSUs

Key Terms

Restricted Stock Units, dividend equivalent rights, Deferred Compensation Plan for Non-Employee Directors, Amended and Restated 2010 Equity and Long-Term Compensation Plan

4 terms

Restricted Stock Units financial

"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"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

dividend equivalent rights financial

"The RSUs are accompanied by dividend equivalent rights."

Dividend equivalent rights are promises that mirror the cash payments shareholders get from a company’s profits, but they are paid to holders of certain awards (like stock options or restricted stock units) rather than to actual shares. Think of them as a paycheck top‑up that matches dividends while the award is not yet a real stock, and they matter to investors because they add to employee compensation costs and potential share dilution, affecting company profitability and per‑share value.

Deferred Compensation Plan for Non-Employee Directors financial

"or such later date in accordance with the terms of the Mattel, Inc. Deferred Compensation Plan for Non-Employee Directors."

Amended and Restated 2010 Equity and Long-Term Compensation Plan financial

"pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended."

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Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Hertz Noreena

(Last) (First) (Middle)

333 CONTINENTAL BOULEVARD

(Street)

EL SEGUNDO CALIFORNIA 90245

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
MATTEL INC /DE/ [ MAT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/28/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	05/28/2026		A		11,753		(2)	(2)	Common Stock	11,753	$0	11,753	D

Explanation of Responses:

1. 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.

2. 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.

Remarks:

	/s/ Tiffani Magri, Attorney-in-Fact for Noreena Hertz	06/01/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What did Mattel (MAT) director Noreena Hertz report in this Form 4?

Noreena Hertz reported receiving 11,753 Restricted Stock Units from Mattel as a compensation award. The RSUs were granted on May 28, 2026 and are fully vested, increasing her direct derivative holdings tied to Mattel common stock.

How many Mattel (MAT) Restricted Stock Units were granted to Noreena Hertz?

She was granted 11,753 Restricted Stock Units linked to Mattel common stock. These units are fully vested on the grant date and will convert into an equal number of Mattel shares on the settlement date, subject to the plan’s terms.

Are the RSUs granted to Noreena Hertz immediately vested and when will they settle?

The RSUs are fully vested on the grant date. They are generally scheduled to be settled in Mattel common stock on the third anniversary of May 28, 2026 or a later date under the deferred compensation plan.

Does the Mattel (MAT) RSU grant to Noreena Hertz include dividend equivalent rights?

Yes, the RSU grant is accompanied by dividend equivalent rights. This means the award accrues equivalents to dividends paid on Mattel common stock while the RSUs are outstanding, in line with the company’s compensation plan.

What plan governs Noreena Hertz’s RSU award from Mattel (MAT)?

The award was granted under the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan. Settlement timing can also follow the Mattel, Inc. Deferred Compensation Plan for Non-Employee Directors, as described in the footnotes.