MAT

mat-202602100000063276false00000632762026-02-102026-02-10

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): February 10, 2026

MATTEL, INC.

(Exact name of registrant as specified in its charter)

Delaware 001-05647 95-1567322 (State or other jurisdiction of incorporation) (Commission File No.) (I.R.S. Employer Identification No.)

333 Continental Boulevard El Segundo, California 90245-5012 (Address of principal executive offices)

Registrant’s telephone number, including area code (310) 252-2000 N/A (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s) Name of each exchange on which registered

Common Stock, $1.00 per shareMATThe Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company  ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.    ☐

Section 2 – Financial Information Item 2.02 Results of Operations and Financial Condition. On February 10, 2026, Mattel, Inc. (“Mattel” or the “Company”) issued a press release regarding its fourth quarter and full year 2025 financial results, a copy of which is furnished as Exhibit 99.1 hereto. This exhibit is incorporated herein by reference.

Section 7 – Regulation FD Item 7.01 Regulation FD Disclosure. In the same press release described in Item 2.02 above, the Company also announced that Mattel’s Board of Directors has authorized the Company to repurchase $1.5 billion of the Company’s shares. In accordance with General Instruction B.2 of Form 8-K, the information in this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed to be “filed” for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Section 9 – Financial Statements and Exhibits Item 9.01 Financial Statements and Exhibits. (d) Exhibits: Press release dated February 10, 2026, issued by Mattel, Inc.

Exhibit No.  Exhibit Description 99.1** Press release dated February 10, 2026

104Cover Page Interactive Data File (embedded within the Inline XBRL Document)

** Furnished herewith

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

MATTEL, INC.

Registrant

By:/s/ Jonathan Anschell Name:Jonathan Anschell Title:Executive Vice President, Chief Legal Officer, and Secretary

Dated: February 10, 2026

mat-202510210000063276false00000632762025-10-212025-10-21

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): October 21, 2025

MATTEL, INC.

(Exact name of registrant as specified in its charter)

Delaware 001-05647 95-1567322 (State or other jurisdiction of incorporation) (Commission File No.) (I.R.S. Employer Identification No.)

333 Continental Boulevard El Segundo, California 90245-5012 (Address of principal executive offices)

Registrant’s telephone number, including area code (310) 252-2000 N/A (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s) Name of each exchange on which registered

Common Stock, $1.00 per shareMATThe Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company  ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.    ☐

Section 2 – Financial Information Item 2.02 Results of Operations and Financial Condition. On October 21, 2025, Mattel, Inc. (“Mattel”) issued a press release regarding its third quarter 2025 financial results, a copy of which is furnished as Exhibit 99.1 hereto. This exhibit is incorporated herein by reference. In accordance with General Instruction B.2 of Form 8-K, the information in this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed to be “filed” for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Section 9 – Financial Statements and Exhibits Item 9.01 Financial Statements and Exhibits. (d) Exhibits: Press release dated October 21, 2025, issued by Mattel, Inc.

Exhibit No.  Exhibit Description 99.1** Press release dated October 21, 2025

104Cover Page Interactive Data File (embedded within the Inline XBRL Document)

** Furnished herewith

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

MATTEL, INC.

Registrant

By:/s/ Jonathan Anschell Name:Jonathan Anschell Title:Executive Vice President, Chief Legal Officer, and Secretary

Dated: October 21, 2025

mat-202507230000063276false00000632762025-07-232025-07-23

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): July 23, 2025

MATTEL, INC.

(Exact name of registrant as specified in its charter)

Delaware 001-05647 95-1567322 (State or other jurisdiction of incorporation) (Commission File No.) (I.R.S. Employer Identification No.)

333 Continental Boulevard El Segundo, California 90245-5012 (Address of principal executive offices)

Registrant’s telephone number, including area code (310) 252-2000 N/A (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s) Name of each exchange on which registered

Common Stock, $1.00 per shareMATThe Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company  ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.    ☐

Section 2 – Financial Information Item 2.02 Results of Operations and Financial Condition. On July 23, 2025, Mattel, Inc. (“Mattel”) issued a press release regarding its second quarter 2025 financial results, a copy of which is furnished as Exhibit 99.1 hereto. This exhibit is incorporated herein by reference. In accordance with General Instruction B.2 of Form 8-K, the information in this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed to be “filed” for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Section 9 – Financial Statements and Exhibits Item 9.01 Financial Statements and Exhibits. (d) Exhibits: Press release dated July 23, 2025, issued by Mattel, Inc.

Exhibit No.  Exhibit Description 99.1** Press release dated July 23, 2025

104Cover Page Interactive Data File (embedded within the Inline XBRL Document)

** Furnished herewith

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

MATTEL, INC.

Registrant

By:/s/ Jonathan Anschell Name:Jonathan Anschell Title:Executive Vice President, Chief Legal Officer, and Secretary

Dated: July 23, 2025