STOCK TITAN

Mattel (MAT) SVP Yoon converts RSUs to stock with automatic tax withholding

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Mattel executive reports routine RSU vesting and tax withholding. On April 28, 2026, SVP & Corporate Controller J. Hugh Yoon received 4,408 shares of Mattel common stock upon vesting of previously granted Restricted Stock Units. Of these, 1,582 shares were automatically withheld to cover required tax obligations, and no open-market sale occurred.

After these transactions, Yoon directly held 37,447 shares of Mattel common stock. The filing reflects compensation-related equity settlement rather than discretionary buying or selling of shares.

Positive

  • None.

Negative

  • None.
Insider Hugh Yoon J.
Role SVP & Corporate Controller
Type Security Shares Price Value
Exercise Restricted Stock Units 4,408 $0.00 --
Exercise Common Stock 4,408 $0.00 --
Tax Withholding Common Stock 1,582 $14.79 $23K
Holdings After Transaction: Restricted Stock Units — 0 shares (Direct, null); Common Stock — 37,447 shares (Direct, null)
Footnotes (1)
  1. As reported on a Form 4 dated April 28, 2023 and filed on May 2, 2023, the Reporting Person received a grant of 12,963 Restricted Stock Units ("RSUs" or "Units") on April 28, 2023. The RSUs vested 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 received one share of Mattel, Inc. Common Stock, subject to tax withholding. On April 28, 2026, the final 34% of these RSUs vested, resulting in the issuance of 4,408 shares of Mattel, Inc. Common Stock. Pursuant to the terms of the April 28, 2023 RSU grant, 1,582 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.
RSUs vested 4,408 shares Final 34% of April 28, 2023 RSU grant vested on April 28, 2026
Shares withheld for taxes 1,582 shares Automatically withheld at vesting to cover required tax withholding
Shares held after transactions 37,447 shares Direct Mattel common stock holdings following April 28, 2026 transactions
Form 4 tax-withholding price $14.79 per share Reference price applied to 1,582 shares withheld for tax obligations
Restricted Stock Units financial
"the Reporting Person received a grant of 12,963 Restricted Stock Units ("RSUs" or "Units")"
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.
tax withholding financial
"On each vesting date, for each Unit vesting on such date, the Reporting Person received one share ... subject to tax withholding."
Tax withholding is the practice of taking a portion of a payment—such as wages, dividends, or sale proceeds—before it reaches the recipient and sending that portion to the tax authority as an advance on the recipient’s eventual tax bill. For investors it matters because withholding reduces immediate cash received and affects after‑tax returns, estimated tax payments, and whether you may owe more or receive a refund when taxes are finally calculated, like having a small automatic savings set aside for your tax bill.
derivative security financial
"transaction_code_description": "Exercise or conversion of derivative security""
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
Form 4 regulatory
"As reported on a Form 4 dated April 28, 2023 and filed on May 2, 2023"
Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.
SEC Form 4
FORM 4UNITED 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*
Hugh Yoon J.

(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)
Director10% Owner
XOfficer (give title below)Other (specify below)
SVP & Corporate Controller
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
04/28/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock04/28/2026M4,408A(1)37,447D
Common Stock04/28/2026F1,582(2)D$14.7935,865D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(1)04/28/2026M4,408 (1) (1)Common Stock4,408$00D
Explanation of Responses:
1. As reported on a Form 4 dated April 28, 2023 and filed on May 2, 2023, the Reporting Person received a grant of 12,963 Restricted Stock Units ("RSUs" or "Units") on April 28, 2023. The RSUs vested 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 received one share of Mattel, Inc. Common Stock, subject to tax withholding. On April 28, 2026, the final 34% of these RSUs vested, resulting in the issuance of 4,408 shares of Mattel, Inc. Common Stock.
2. Pursuant to the terms of the April 28, 2023 RSU grant, 1,582 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.
Remarks:
/s/ Tiffani Magri, Attorney-in-Fact for Yoon J. Hugh04/30/2026
** Signature of Reporting PersonDate
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 insider transactions did Mattel (MAT) report for J. Hugh Yoon?

Mattel reported that SVP & Corporate Controller J. Hugh Yoon had 4,408 Restricted Stock Units vest into common shares, with 1,582 shares automatically withheld to cover taxes. These actions are compensation-related, not open-market stock purchases or sales.

Did the Mattel (MAT) insider Form 4 involve an open-market sale of shares?

No. The Form 4 shows 1,582 Mattel shares were disposed of solely through automatic tax withholding at vesting. This F-code transaction covers tax liabilities and does not represent a discretionary open-market sale of common stock.

How many Mattel (MAT) shares did J. Hugh Yoon receive from RSU vesting?

On April 28, 2026, 4,408 Mattel common shares were issued to J. Hugh Yoon when the final 34% of a 2023 Restricted Stock Unit grant vested. Each vested unit delivered one share of common stock to the reporting person.

What is J. Hugh Yoon’s Mattel (MAT) shareholding after the reported Form 4?

Following the April 28, 2026 RSU vesting and tax withholding, J. Hugh Yoon directly holds 37,447 shares of Mattel common stock. This figure reflects his position after the derivative conversion and related tax-withholding disposition reported in the filing.

What do the M and F transaction codes mean in Mattel (MAT) insider filings?

In this Form 4, code M indicates the exercise or conversion of derivative securities, here Restricted Stock Units vesting into 4,408 common shares. Code F indicates 1,582 shares were automatically withheld to satisfy required tax liabilities at the time of vesting.