Company Update

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 the report (Date of earliest event reported): December 4, 2025 CHURCH & DWIGHT CO., INC. (Exact Name of Registrant as Specified in its Charter) __________________________   Delaware 1-10585 13-4996950 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.R.S. Employer Identification No.)   500 Charles Ewing Boulevard, Ewing , New Jersey 08628 (Address of Principal Executive Offices) (Zip Code)   Registrant's telephone number, including area code: ( 609 ) 806-1200 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 class Trading Symbol Name of each exchange on which registered Common Stock, $1 par value CHD New York Stock Exchange 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. ☐         Item 8.01 Other Events.   On December 4, 2025, the Board of Directors (the “Board”) of Church & Dwight Co., Inc. (the “Company”) approved an amendment to the Company’s Corporate Governance Guidelines (the “Corporate Governance Guidelines”) to remove the limits on the number of years a Board member may serve on the Board. The Corporate Governance Guidelines continue to require that Board members retire from the Board upon reaching age 75. The Company is committed to ongoing Board refreshment while maintaining continuity and the experience of its independent Board members, and consistent with the practice of the majority of its peers and most of the S&P 500, believes this is best achieved on a case-by-case basis without a specified limit on a Board member’s tenure.                                                                           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.   CHURCH & DWIGHT CO., INC. Date: December 5, 2025 By: /s/ Patrick de Maynadier Name: Patrick de Maynadier Title: Executive Vice President, General Counsel and Secretary