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Mattel (NYSE: MAT) EVP reports RSU vesting with automatic tax share withholding

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

Rhea-AI Filing Summary

Mattel EVP & Chief Supply Chain Officer Isaias Zanatta Roberto Jacobo reported routine equity compensation activity involving restricted stock units (RSUs). On May 7, 2026, 17,749 RSUs vested and converted into shares of Mattel common stock, as part of a May 7, 2025 grant that vests in three annual installments.

In connection with this vesting, 9,031 shares of common stock were automatically withheld to cover required tax obligations, which is recorded as a disposition but not an open-market sale. After these transactions, he directly holds 183,473 shares of Mattel common stock and 36,038 RSUs, indicating the filing reflects compensation and tax withholding rather than discretionary share purchases or sales.

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Insights

Routine RSU vesting with tax withholding; no open-market trades.

The filing shows Isaias Zanatta Roberto Jacobo having 17,749 restricted stock units vest into Mattel common stock on May 7, 2026, tied to a three-year RSU grant awarded on May 7, 2025. This is standard equity compensation rather than a market-driven trade.

To satisfy required taxes at vesting, 9,031 shares were automatically withheld, coded as a tax-withholding disposition at an indicated value of $15.00 per share. No open-market buying or selling occurred, and the executive’s direct holdings increased to 183,473 shares, with 36,038 RSUs remaining outstanding.

Because these are scheduled vesting and withholding events tied to prior grants, they typically carry limited signaling value about management’s view of the stock. Future filings will continue to reflect remaining RSU tranches vesting according to the grant’s three-year schedule.

Insider Isaias Zanatta Roberto Jacobo
Role EVP & Chief Supply Chain Offr
Type Security Shares Price Value
Exercise Restricted Stock Units 17,749 $0.00 --
Exercise Common Stock 17,749 $0.00 --
Tax Withholding Common Stock 9,031 $15.00 $135K
Holdings After Transaction: Restricted Stock Units — 36,038 shares (Direct, null); Common Stock — 192,504 shares (Direct, null)
Footnotes (1)
  1. As reported on a Form 4 dated May 7, 2025 and filed on May 9, 2025, the Reporting Person received a grant of 53,787 Restricted Stock Units ("RSUs" or "Units") on May 7, 2025. 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 7, 2026, the first 33% of these RSUs vested, resulting in the issuance of 17,749 shares of Mattel, Inc. Common Stock. Pursuant to the terms of the May 7, 2025 RSU grant, 9,031 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.
RSUs vested 17,749 shares Restricted Stock Units converting to Mattel common stock on May 7, 2026
Shares withheld for taxes 9,031 shares at $15.00 Automatic tax withholding on RSU vesting
Common shares held after transactions 183,473 shares Direct Mattel common stock holdings following vesting and withholding
RSUs outstanding after transactions 36,038 units Remaining restricted stock units reported in the filing
Original RSU grant size 53,787 units RSU grant awarded on May 7, 2025 with three-year vesting
Restricted Stock Units financial
"the Reporting Person received a grant of 53,787 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
"shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required 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 May 7, 2025 and filed on May 9, 2025"
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.
vesting financial
"On May 7, 2026, the first 33% of these RSUs vested, resulting in the issuance of 17,749 shares"
Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.
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*
Isaias Zanatta Roberto Jacobo

(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)
EVP & Chief Supply Chain Offr
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/07/2026
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 Stock05/07/2026M17,749A(1)192,504D
Common Stock05/07/2026F9,031(2)D$15183,473D
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)05/07/2026M17,749 (1) (1)Common Stock17,749$036,038D
Explanation of Responses:
1. As reported on a Form 4 dated May 7, 2025 and filed on May 9, 2025, the Reporting Person received a grant of 53,787 Restricted Stock Units ("RSUs" or "Units") on May 7, 2025. 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 7, 2026, the first 33% of these RSUs vested, resulting in the issuance of 17,749 shares of Mattel, Inc. Common Stock.
2. Pursuant to the terms of the May 7, 2025 RSU grant, 9,031 shares of Mattel, Inc. Common Stock were automatically withheld at vesting to cover required tax withholding.
Remarks:
/s/ Tiffani Magri, Attorney-in-Fact for Roberto Jacobo Isaias Zanatta05/11/2026
** 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 Isaias Zanatta Roberto Jacobo?

Mattel reported that EVP & Chief Supply Chain Officer Isaias Zanatta Roberto Jacobo had 17,749 restricted stock units vest into common shares, with 9,031 shares automatically withheld to cover taxes. These events reflect routine equity compensation activity, not open-market buying or selling of Mattel stock.

Was the Mattel (MAT) Form 4 a stock sale or routine RSU vesting?

The Form 4 reflects routine RSU vesting with tax withholding, not an open-market stock sale. 17,749 RSUs converted into common shares, and 9,031 shares were withheld for taxes. The withholding is recorded as a disposition but represents tax payment, not a discretionary sale in the market.

How many Mattel (MAT) shares does Isaias Zanatta Roberto Jacobo hold after this Form 4?

After the reported transactions, Isaias Zanatta Roberto Jacobo directly holds 183,473 shares of Mattel common stock. He also has 36,038 restricted stock units outstanding. These figures show his continuing substantial equity stake following the latest vesting and tax withholding events disclosed.

What RSU grant is referenced in Mattel (MAT) EVP Jacobo’s Form 4 filing?

The filing references a 53,787-unit RSU grant awarded on May 7, 2025. This grant vests 33% on each of the first and second anniversaries and 34% on the third. On May 7, 2026, the first 33% tranche vested, issuing 17,749 Mattel common shares, subject to tax withholding.

Did Mattel (MAT) EVP Jacobo use a Rule 10b5-1 plan for these transactions?

The disclosed transactions arise from scheduled RSU vesting and automatic tax withholding under the grant terms. The footnotes describe the vesting schedule and tax withholding mechanics but do not mention any Rule 10b5-1 trading plan, emphasizing this as routine compensation rather than discretionary trading activity.

How is the tax withholding in the Mattel (MAT) Form 4 reflected?

Tax withholding is shown as a disposition of 9,031 Mattel common shares at an indicated value of $15.00 per share. These shares were automatically withheld at the time of RSU vesting to satisfy required tax obligations, rather than being sold by the executive in the open market.