NG DOMINIC

SEC source: 0001201236-26-000014 · wk-form4_1780350941.xml · derivative · entry 1

NG DOMINIC · CIK 0001201236 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,753

Underlying: Common Stock · 11,753 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

SEC source: 0001201236-26-000012 · wk-form4_1778113075.xml · nonDerivative · entry 2

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 707,930

F2 · price: A total of 28,312 shares were sold at a weighted average price of $125.3408 per share.

SEC source: 0001201236-26-000012 · wk-form4_1778113075.xml · nonDerivative · entry 1

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 736,242

F1 · price: A total of 1,688 shares were sold at a weighted average price of $124.7613 per share.

SEC source: 0001201236-26-000010 · wk-form4_1778109841.xml · nonDerivative · entry 1

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 737,930

F1 · price: A total of 30,000 shares were sold at a weighted average price of $123.48533 per share.

SEC source: 0001201236-26-000008 · wk-form4_1773953080.xml · nonDerivative · entry 4

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Ellen Wong 2025 Irrev Gift Trust

Disclosed balance after: 57,219

F2 · shares: Ellen Wong serves as trustee of the Ellen Wong 2025 Irrev Gift Trust. The reporting person disclaims beneficial ownership of the shares held by the trust.

SEC source: 0001201236-26-000008 · wk-form4_1773953080.xml · nonDerivative · entry 3

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · As trustee for Ryan Ng 2025 Irrev Gift Trust

Disclosed balance after: 19,073

F1 · shares: Represents change in beneficial ownership from direct to indirect.

SEC source: 0001201236-26-000008 · wk-form4_1773953080.xml · nonDerivative · entry 2

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · As trustee for Rachel Ng 2025 Irrev Gift Trust

Disclosed balance after: 19,073

F1 · shares: Represents change in beneficial ownership from direct to indirect.

SEC source: 0001201236-26-000008 · wk-form4_1773953080.xml · nonDerivative · entry 1

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 767,930

F1 · shares: Represents change in beneficial ownership from direct to indirect.

SEC source: 0001201236-26-000006 · wk-form4_1772578857.xml · nonDerivative · entry 2

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 863,295

F2 · shares: Shares withheld for payment of tax liability in connection with the vesting of Performance-Based Restricted Stock Units. Since March 1, 2026 was a Sunday, the number of shares withheld was based on the closing price of the issuer's common stock on February 27, 2026.

SEC source: 0001201236-26-000006 · wk-form4_1772578857.xml · nonDerivative · entry 1

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 914,636

F1 · price: Performance-Based Restricted Stock Units granted on March 1, 2023 fully vest in three years. Number of vested units depends on meeting pre-established performance criteria. As of March 1, 2026, 179.1% of the units granted on March 1, 2023 were earned and vested. On the settlement date, for each vested Performance-Based Restricted Stock Unit, the reporting person received one share of Common Stock.

SEC source: 0001201236-26-000004 · wk-form4_1770255125.xml · nonDerivative · entry 2

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 808,331

F2 · price: A total of 21,672 shares were sold at a weighted average price of $118.0650 per share.

SEC source: 0001201236-26-000004 · wk-form4_1770255125.xml · nonDerivative · entry 1

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 830,003

F1 · price: A total of 28,328 shares were sold at a weighted average price of $117.6229 per share.

SEC source: 0001201236-26-000002 · wk-form4_1769478052.xml · nonDerivative · entry 2

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 858,331

F2 · shares: Shares withheld for payment of tax liability in connection with the vesting of Time-Based Restricted Stock Units pursuant to the Issuer's Spirit of Ownership stock program. The number of shares withheld was based on the closing price of the Issuer's common stock on January 23, 2026.

SEC source: 0001201236-26-000002 · wk-form4_1769478052.xml · nonDerivative · entry 1

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 858,343

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Time-Based Restricted Stock Units granted on January 23, 2023, with full cliff vesting in three years on January 23, 2026, pursuant to the Issuer's Spirit of Ownership stock program.

SEC source: 0001201236-25-000006 · wk-form4_1765586281.xml · nonDerivative · entry 2

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 858,314

F2 · price: A total of 11,344 shares were sold at a weighted average price of $114.314894 per share.

SEC source: 0001201236-25-000006 · wk-form4_1765586281.xml · nonDerivative · entry 1

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 869,658

F1 · price: A total of 18,656 shares were sold at a weighted average price of $113.219404 per share.

SEC source: 0001069157-25-000092 · wk-form4_1753822965.xml · nonDerivative · entry 1

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 888,314

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2024.

F2 · price: A total of 40,000 shares were sold at a weighted average price of $103.380107 per share.

SEC source: 0001523711-25-000085 · wk-form4_1748643816.xml · derivative · entry 1

NG DOMINIC · CIK 0001201236 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,196

Underlying: Common Stock · 9,196 shares

Expires not disclosed

F1 · derivative.exercise_price: The Restricted Stock Units ("RSUs") were granted on May 28, 2025, pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended. Each RSU represents a contingent right to receive one share of Mattel, Inc. Common Stock. The RSUs are accompanied by dividend equivalent rights.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

SEC source: 0001069157-25-000054 · wk-form4_1747090369.xml · nonDerivative · entry 3

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 928,314

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2024.

F4 · price: A total of 28,566 shares were sold at a weighted average price of $96.73152 per share.

SEC source: 0001069157-25-000054 · wk-form4_1747090369.xml · nonDerivative · entry 2

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 956,880

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2024.

F3 · price: A total of 6,766 shares were sold at a weighted average price of $96.14284 per share.

SEC source: 0001069157-25-000054 · wk-form4_1747090369.xml · nonDerivative · entry 1

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 963,646

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2024.

F2 · price: A total of 4,668 shares were sold at a weighted average price of $95.03938 per share.

SEC source: 0001069157-25-000048 · wk-form4_1742505313.xml · nonDerivative · entry 1

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 968,314

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2024.

F2 · price: A total of 19,819 shares were sold at a weighted average price of $90.000142 per share.

SEC source: 0001069157-25-000042 · wk-form4_1741389601.xml · nonDerivative · entry 1

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 988,133

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2024.

F2 · price: A total of 20,181 shares were sold at a weighted average price of $90.013207 per share.

SEC source: 0001069157-25-000029 · wk-form4_1741304373.xml · nonDerivative · entry 2

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,008,314

F2 · shares: Shares withheld for payment of tax liability in connection with the vesting of Performance-Based Restricted Stock Units. The number of shares withheld was based on the closing price of the issuer's common stock on March 4, 2025.

SEC source: 0001069157-25-000029 · wk-form4_1741304373.xml · nonDerivative · entry 1

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,056,515

F1 · price: Performance-Based Restricted Stock Units granted on March 4, 2022 fully vest in three years. Number of vested units depends on meeting pre-established performance criteria. As of March 4, 2025, 172.8% of the units granted on March 4, 2022 were earned and vested. On the settlement date, for each vested Performance-Based Restricted Stock Unit, the reporting person received one share of Common Stock.

SEC source: 0001069157-25-000013 · wk-form4_1738716745.xml · nonDerivative · entry 2

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 955,955

F2 · shares: Shares withheld for payment of tax liability in connection with the vesting of Time-Based Restricted Stock Units pursuant to the Issuer's Spirit of Ownership stock program. The number of shares withheld was based on the closing price of the issuer's common stock on January 31, 2025 since February 1, 2025 was a Saturday.

SEC source: 0001069157-25-000013 · wk-form4_1738716745.xml · nonDerivative · entry 1

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 955,964

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Time-Based Restricted Stock Units granted on February 1, 2022, with full cliff vesting in three years on February 1, 2025, pursuant to the Issuer's Spirit of Ownership stock program.

SEC source: 0001523711-24-000091 · wk-form4_1717191433.xml · derivative · entry 1

NG DOMINIC · CIK 0001201236 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,972

Underlying: Common Stock · 9,972 shares

Expires not disclosed

F1 · derivative.exercise_price: The Restricted Stock Units ("RSUs") were granted on May 29, 2024, pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended. Each RSU represents a contingent right to receive one share of Mattel, Inc. Common Stock. The RSUs are accompanied by dividend equivalent rights.

F2 · derivative.exercise_date: 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. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Mattel, Inc. Common Stock.

F2 · derivative.expiration_date: 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. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Mattel, Inc. Common Stock.

SEC source: 0001069157-24-000032 · wk-form4_1709777075.xml · nonDerivative · entry 2

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 955,941

F2 · shares: Shares withheld for payment of tax liability in connection with the vesting of Performance-Based Restricted Stock Units. The number of shares withheld was based on the closing price of the issuer's common stock on March 4, 2024.

SEC source: 0001069157-24-000032 · wk-form4_1709777075.xml · nonDerivative · entry 1

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,011,492

F1 · price: Performance-Based Restricted Stock Units granted on March 4, 2021 fully vest in three years. Number of vested units depends on meeting pre-established performance criteria. As of March 4, 2024, 178.2% of the units granted on March 4, 2021 were earned and vested. On the settlement date, for each vested Performance-Based Restricted Stock Unit, the reporting person received one share of Common Stock.

SEC source: 0001069157-24-000011 · wk-form4_1707870340.xml · nonDerivative · entry 2

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 895,328

F2 · shares: Shares withheld for payment of tax liability in connection with the vesting of Time-Based Restricted Stock Units pursuant to the Issuer's Spirit of Ownership stock program. The number of shares withheld was based on the closing price of the issuer's common stock on February 12, 2024.

SEC source: 0001069157-24-000011 · wk-form4_1707870340.xml · nonDerivative · entry 1

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 895,339

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Time-Based Restricted Stock Units granted on February 12, 2021, with full cliff vesting in three years on February 12, 2024, pursuant to the Issuer's Spirit of Ownership stock program.

SEC source: 0001523711-23-000056 · wf-form4_168437110226694.xml · derivative · entry 2

NG DOMINIC · CIK 0001201236 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,427

Underlying: Common Stock · 6,771 shares

Expires not disclosed

F3 · derivative.exercise_price: Distributions from the Reporting Person's phantom stock account will be in the form of shares of Mattel, Inc. Common Stock equal in value to the value of the phantom stock account.

F4 · derivative.exercise_date: The phantom stock units will be settled in shares of Mattel, Inc. Common Stock following the Reporting Person's separation from service with Mattel, Inc.

F4 · derivative.expiration_date: The phantom stock units will be settled in shares of Mattel, Inc. Common Stock following the Reporting Person's separation from service with Mattel, Inc.

SEC source: 0001523711-23-000056 · wf-form4_168437110226694.xml · derivative · entry 1

NG DOMINIC · CIK 0001201236 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,594

Underlying: Common Stock · 8,594 shares

Expires not disclosed

F1 · derivative.exercise_price: The Restricted Stock Units ("RSUs") were granted on May 15, 2023, pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended. Each RSU represents a contingent right to receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of such share on the settlement date). The RSUs are accompanied by dividend equivalent rights.

F2 · derivative.exercise_date: 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. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

F2 · derivative.expiration_date: 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. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

SEC source: 0001069157-23-000048 · wf-form4_168355875080987.xml · nonDerivative · entry 1

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 895,309

F1 · price: A total of 5,700 shares were purchased at a weighted average price of $43.9364. The shares were purchased in multiple transactions at prices ranging from $43.65 to $44.2799, inclusive. The reporting person undertakes to provide to East West Bancorp, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in the preceding sentence.

SEC source: 0001069157-23-000044 · wf-form4_168323778299589.xml · nonDerivative · entry 2

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 889,609

F2 · price: A total of 5,900 shares were purchased at a weighted average price of $42.62458. The shares were purchased in multiple transactions at prices ranging from $42.35 to $42.65, inclusive. The reporting person undertakes to provide to East West Bancorp, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in the preceding sentence.

SEC source: 0001069157-23-000044 · wf-form4_168323778299589.xml · nonDerivative · entry 1

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 883,709

F1 · price: A total of 6,000 shares were purchased at a weighted average price of $41.56733. The shares were purchased in multiple transactions at prices ranging from $41.25 to $41.75, inclusive. The reporting person undertakes to provide to East West Bancorp, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in the preceding sentence.

SEC source: 0001069157-23-000018 · wf-form4_167822442148878.xml · nonDerivative · entry 2

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 877,709

F2 · shares: Shares withheld for payment of tax liability in connection with the vesting of Performance-Based Restricted Stock Units. Since March 4, 2023 was a Saturday, the number of shares withheld was determined on March 3, 2023 based on the closing price of the issuer's common stock on March 3, 2023.

SEC source: 0001069157-23-000018 · wf-form4_167822442148878.xml · nonDerivative · entry 1

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 967,378

F1 · price: Performance-Based Restricted Stock Units granted on March 4, 2020 fully vest in three years. Number of vested units depends on meeting pre-established performance criteria. As of March 4, 2023, 182.08% of the units granted on March 4, 2020 were earned and vested. On the settlement date, for each vested Performance-Based Restricted Stock Unit, the reporting person received one share of Common Stock.

SEC source: 0001069157-23-000008 · wf-form4_167460657411648.xml · nonDerivative · entry 1

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 762,122

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Time-Based Restricted Stock Units granted on January 24, 2020, with full cliff vesting in three years on January 24, 2023, pursuant to the Issuer's Spirit of Ownership stock program.

SEC source: 0001523711-22-000059 · wf-form4_165368388039197.xml · derivative · entry 2

NG DOMINIC · CIK 0001201236 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,075

Underlying: Common Stock · 5,740 shares

Expires not disclosed

F3 · derivative.exercise_price: Distributions from the Reporting Person's phantom stock account will be in the form of shares of Common Stock equal in value to the value of the phantom stock account.

F4 · derivative.exercise_date: The phantom stock units will be settled in shares of Common Stock following the Reporting Person's separation from service with Mattel, Inc.

F4 · derivative.expiration_date: The phantom stock units will be settled in shares of Common Stock following the Reporting Person's separation from service with Mattel, Inc.

SEC source: 0001523711-22-000059 · wf-form4_165368388039197.xml · derivative · entry 1

NG DOMINIC · CIK 0001201236 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,843

Underlying: Common Stock · 6,843 shares

Expires not disclosed

F1 · derivative.exercise_price: The Restricted Stock Units ("RSUs") were granted on May 25, 2022, pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended. Each RSU represents a contingent right to receive one share of Common Stock. The RSUs are accompanied by dividend equivalent rights.

F2 · derivative.exercise_date: 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. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock.

F2 · derivative.expiration_date: 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. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock.

SEC source: 0001069157-22-000039 · wf-form4_164676103699209.xml · nonDerivative · entry 2

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 762,081

F2 · shares: Shares withheld for payment of tax liability in connection with the vesting of Performance-Based Restricted Stock Units. Since March 6, 2022 was a Sunday, the number of shares withheld were determined on March 4, 2022 based on the closing price of the issuer's common stock on March 4, 2022.

SEC source: 0001069157-22-000039 · wf-form4_164676103699209.xml · nonDerivative · entry 1

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 840,343

F1 · price: Performance-Based Restricted Stock Units granted on March 6, 2019 fully vest in three years. Number of vested units depends on meeting pre-established performance criteria. As of March 6, 2022, 182.10% of the units granted on March 6, 2019 were earned and vested. On the settlement date, for each vested Performance-Based Restricted Stock Unit, the reporting person received one share of Common Stock.

SEC source: 0001069157-22-000020 · wf-form4_164425312020077.xml · nonDerivative · entry 1

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 670,445

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Time-Based Restricted Stock Units granted on February 4, 2019, with full cliff vesting in three years on February 4, 2022, pursuant to the Issuer's Spirit of Ownership stock program.

SEC source: 0001523711-21-000038 · wf-form4_162224126573261.xml · derivative · entry 2

NG DOMINIC · CIK 0001201236 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,917

Underlying: Common Stock · 6,323 shares

Expires not disclosed

F3 · derivative.exercise_price: Distributions from the Reporting Person's phantom stock account will be in the form of shares of Common Stock equal in value to the value of the phantom stock account.

F4 · derivative.exercise_date: The phantom stock units will be settled in shares of Common Stock following the Reporting Person's separation from service with Mattel, Inc.

F4 · derivative.expiration_date: The phantom stock units will be settled in shares of Common Stock following the Reporting Person's separation from service with Mattel, Inc.

SEC source: 0001523711-21-000038 · wf-form4_162224126573261.xml · derivative · entry 1

NG DOMINIC · CIK 0001201236 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,539

Underlying: Common Stock · 7,539 shares

Expires not disclosed

F1 · derivative.exercise_price: The Restricted Stock Units ("RSUs") were granted on May 26, 2021, pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended. Each RSU represents a contingent right to receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of such share on the settlement date). The RSUs are accompanied by dividend equivalent rights.

F2 · derivative.exercise_date: 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. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

F2 · derivative.expiration_date: 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. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

SEC source: 0001069157-21-000017 · wf-form4_161542210617006.xml · nonDerivative · entry 2

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 670,406

F3 · shares: Shares withheld for payment of tax liability in connection with the vesting of Performance-Based Restricted Stock Units. The number of shares withheld was determined on March 8, 2021 based on the closing price of the issuer's common stock on March 8, 2021.

SEC source: 0001069157-21-000017 · wf-form4_161542210617006.xml · nonDerivative · entry 1

NG DOMINIC · CIK 0001201236 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 723,405

F1 · price: Performance-Based Restricted Stock Units granted on March 8, 2018 fully vest in three years. Number of vested units depends on meeting pre-established performance criteria. As of March 8, 2021, 166% of the units granted on March 8, 2018 were earned and vested. On the settlement date, for each vested Performance-Based Restricted Stock Unit, the reporting person received one share of Common Stock.

F2 · balance_after: Includes 30 shares granted under the Spirit of Ownership program that were previously reported at the date of grant, but were not included in the reporting person's total direct beneficial ownership in prior filings.

SEC source: 0001523711-20-000048 · wf-form4_159657868122176.xml · derivative · entry 1

NG DOMINIC · CIK 0001201236 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,601

Underlying: Common Stock · 12,601 shares

Expires not disclosed

F1 · derivative.exercise_price: The Restricted Stock Units ("RSUs") were granted on July 31, 2020, pursuant to the Mattel, Inc. Amended and Restated 2010 Equity and Long-Term Compensation Plan, as amended. Each RSU represents a contingent right to receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of such share on the settlement date). The RSUs are accompanied by dividend equivalent rights.

F2 · derivative.exercise_date: 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. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).

F2 · derivative.expiration_date: 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. On the settlement date, for each vested RSU, the Reporting Person will receive one share of Common Stock (or, at the election of Mattel, Inc., a cash amount equal to the fair market value of one share of Common Stock on the settlement date).