Church & Dwight (CHD)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-03-01 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: CHURCH & DWIGHT CO INC /DE/ (CHD) CIK: 0000313927 --- Reporting Owner --- Name: Buchert Brian D CIK: 0001918805 Role: Officer (EVP of Strategy, M&A, and BP) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-03-01 | Code: F (Payment of exercise/tax) Shares: -46 | Price: $104.86 Total Value: $4,823.56 Shares Owned After: 255 | Ownership: D (Direct) Footnotes: [F1] Represents shares of common stock withheld to satisfy certain tax obligations in connection with the vesting of previously reported restricted stock units ("RSUs"). [F2] Includes previously granted RSUs as well as shares received upon the vesting of the RSUs. [Transaction #2] Security: Common Stock Date: 2026-03-01 | Code: F (Payment of exercise/tax) Shares: -56 | Price: $104.86 Total Value: $5,872.16 Shares Owned After: 317 | Ownership: D (Direct) Footnotes: [F1] Represents shares of common stock withheld to satisfy certain tax obligations in connection with the vesting of previously reported restricted stock units ("RSUs"). [F2] Includes previously granted RSUs as well as shares received upon the vesting of the RSUs. [Transaction #3] Security: Common Stock Date: 2026-03-01 | Code: F (Payment of exercise/tax) Shares: -364 | Price: $104.86 Total Value: $38,169.04 Shares Owned After: 556 | Ownership: D (Direct) Footnotes: [F3] Represents shares of common stock withheld to satisfy certain tax obligations in connection with the time based vesting of previously reported performance stock units ("PSUs"). --- Holdings --- [Holding #1] Security: Common Stock Ownership: D (Direct) [Holding #2] Security: Common Stock Ownership: I (Indirect) --- Footnotes (Complete Index) --- F1: Represents shares of common stock withheld to satisfy certain tax obligations in connection with the vesting of previously reported restricted stock units ("RSUs"). F2: Includes previously granted RSUs as well as shares received upon the vesting of the RSUs. F3: Represents shares of common stock withheld to satisfy certain tax obligations in connection with the time based vesting of previously reported performance stock units ("PSUs"). --- Signature --- /s/ /s/ Cristina Paradiso, attorney-in-fact for Brian D. Buchert (2026-03-03)