Company: CHD
Filing Date: 2025-01-31
Form Type: 8-K/A
Source: 0001193125-25-018422
Chunk: 0

Company: CHURCH & DWIGHT CO INC /DE/
Filing Date: 2025-01-31
Form: 8-K/A
Chunk 0
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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 the report (Date of earliest event reported): January 28, 2025 ( September 15, 2024) 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-Kfiling 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 exchangeon 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-2of the Securities Exchange Act of 1934 (§240.12b-2