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Mattel (MAT) SVP Hugh Yoon logs RSU vesting, tax share withholding

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

Rhea-AI Filing Summary

Mattel SVP & Corporate Controller Hugh Yoon reported routine equity compensation activity involving restricted stock units and related tax withholding. On April 24, 2026, 4,169 Restricted Stock Units vested, resulting in the same number of Mattel common shares being issued.

Under the grant terms, 1,496 shares of common stock were automatically withheld to satisfy required tax withholding, a non-market disposition. The net result is an increase of shares held, with 33,039 common shares now held directly and 4,296 RSUs remaining outstanding.

Positive

  • None.

Negative

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Insider Hugh Yoon J.
Role SVP & Corporate Controller
Type Security Shares Price Value
Exercise Restricted Stock Units 4,169 $0.00 --
Exercise Common Stock 4,169 $0.00 --
Tax Withholding Common Stock 1,496 $14.54 $22K
Holdings After Transaction: Restricted Stock Units — 4,296 shares (Direct, null); Common Stock — 34,535 shares (Direct, null)
Footnotes (1)
  1. 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 24, 2026, the second 33% of these RSUs vested, resulting in the issuance of 4,169 shares of Mattel, Inc. Common Stock. Pursuant to the terms of the April 25, 2024 RSU grant, 1,496 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.
RSUs vested into shares 4,169 shares Second 33% of 12,633-unit grant vested on April 24, 2026
Shares withheld for taxes 1,496 shares Automatically withheld at vesting to cover required tax withholding
Direct common shares held 33,039 shares Direct ownership after April 24, 2026 transactions
Remaining RSUs 4,296 units Restricted Stock Units reported as outstanding after vesting event
Original RSU grant size 12,633 units RSUs granted on April 25, 2024 to Hugh Yoon
Tax withholding reference price $14.54 per share Price used in tax-withholding disposition of 1,496 shares
Restricted Stock Units financial
"the Reporting Person received a grant of 12,633 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
"subject to tax withholding. On April 24, 2026, the second 33% of these RSUs vested"
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 25, 2024 and filed on April 29, 2024"
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.
tax-withholding disposition financial
"transaction_action": "tax-withholding disposition""
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.
Form 4 Insider Transactions: What Each Field Means →
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)
04/24/2026		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 Stock04/24/2026M4,169A(1)34,535D
Common Stock04/24/2026F1,496(2)D$14.5433,039D
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)04/24/2026M4,169 (1) (1)Common Stock4,169$04,296D
Explanation of Responses:
1. 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 24, 2026, the second 33% of these RSUs vested, resulting in the issuance of 4,169 shares of Mattel, Inc. Common Stock.
2. Pursuant to the terms of the April 25, 2024 RSU grant, 1,496 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. Hugh04/28/2026
** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transactions did Mattel (MAT) executive Hugh Yoon report?

Hugh Yoon reported RSU vesting and tax withholding. On April 24, 2026, 4,169 Restricted Stock Units converted into Mattel common shares, and 1,496 of those shares were automatically withheld to cover taxes, leaving him with increased direct share ownership.

How many Mattel (MAT) shares vested from Hugh Yoon’s RSUs?

4,169 Mattel shares vested from RSUs. These shares came from a grant of 12,633 Restricted Stock Units awarded on April 25, 2024, with 33% vesting on each anniversary. The second 33% portion vested on April 24, 2026, triggering share issuance.

Why were some of Hugh Yoon’s Mattel (MAT) shares withheld?

Shares were withheld to pay required taxes. According to the grant terms, 1,496 Mattel common shares were automatically withheld at vesting to satisfy tax withholding obligations, a standard non-market disposition rather than an open-market sale.

How many Mattel (MAT) shares does Hugh Yoon hold after these transactions?

Hugh Yoon holds 33,039 Mattel common shares directly. After the April 24, 2026 RSU vesting and automatic tax-withholding disposition, his direct common stock ownership increased, reflecting the net shares received from the vesting event.

What Mattel (MAT) RSU grant is involved in Hugh Yoon’s Form 4?

The Form 4 involves a 12,633-unit RSU grant. Granted on April 25, 2024, the RSUs vest 33% on the first anniversary, another 33% on the second, and 34% on the third, with one Mattel common share delivered per vested unit, subject to tax withholding.

Does Hugh Yoon still hold unvested Mattel (MAT) Restricted Stock Units?

Yes, Hugh Yoon still holds 4,296 RSUs. After the April 24, 2026 vesting of 4,169 units, a remaining balance of 4,296 Restricted Stock Units is reported, representing future potential Mattel common shares as they vest under the grant schedule.