Executive Change

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): August 13, 2018 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) (Zip Code) (310) 252-2000 Registrant’s telephone number, including area code 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)) 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 5 – Corporate Governance and Management Item 5.02. Election of Directors. On August 13, 2018, Mattel, Inc. (the “Company”) filed a Current Report on Form 8-K with the U.S. Securities and Exchange Commission to report that the Board of Directors (the “Board”) of the Company elected Adriana Cisneros and Roger Lynch as new directors on such date, effective immediately (the “Original Filing”). At the time, the Company had not made a determination regarding any Board committee assignments for Ms. Cisneros or Mr. Lynch. On September 26, 2018, the Board appointed Ms. Cisneros to the Company’s Governance & Social Responsibility Committee, and also appointed Mr. Lynch to the Company’s Audit Committee and Finance Committee. The Original Filing is now being amended hereby to report such appointments. Other than the preceding disclosure, no other changes have been made to the Original Filing pursuant to this Report. SIGNATURES 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. Date: September 28, 2018 MATTEL, INC. By: /s/ Robert Normile Name: Robert Normile Title: Executive Vice President, Chief Legal Officer and Secretary