Church & Dwight (CHD)

=== SEC Form 4/A — Statement of Changes in Beneficial Ownership === Document Type: 4/A Period of Report: 2026-01-27 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: 2026-01-27 | Code: A (Grant or award) Shares: +920 | Price: $0.00 Shares Owned After: 920 | Ownership: D (Direct) Footnotes: [F1] Represents performance stock units ("PSUs") earned as a result of the achievement of performance criteria pursuant to PSU awards with a performance period that ended on December 31, 2025, as certified by the Compensation and Human Capital Committee of the Issuer's Board of Directors on January 27, 2026. The PSUs will vest on March 1, 2026 and settle with the delivery of shares of common stock thereafter, subject to the Reporting Person's continued service to the Issuer through the vesting date. [F2] The shares issued upon vesting of the PSUs could have ranged from 0 - 200%, depending on the Company's performance during the performance measurement period. This amendment is filed to reflect that the PSUs were paid at 200%. --- Holdings --- [Holding #1] Security: Common Stock Ownership: D (Direct) [Holding #2] Security: Common Stock Ownership: D (Direct) [Holding #3] Security: Common Stock Ownership: D (Direct) [Holding #4] Security: Common Stock Ownership: I (Indirect) Footnotes: [F3] Holdings have been adjusted to reflect shares added to reporting person's Savings and Profit Sharing account. --- Footnotes (Complete Index) --- F1: Represents performance stock units ("PSUs") earned as a result of the achievement of performance criteria pursuant to PSU awards with a performance period that ended on December 31, 2025, as certified by the Compensation and Human Capital Committee of the Issuer's Board of Directors on January 27, 2026. The PSUs will vest on March 1, 2026 and settle with the delivery of shares of common stock thereafter, subject to the Reporting Person's continued service to the Issuer through the vesting date. F2: The shares issued upon vesting of the PSUs could have ranged from 0 - 200%, depending on the Company's performance during the performance measurement period. This amendment is filed to reflect that the PSUs were paid at 200%. F3: Holdings have been adjusted to reflect shares added to reporting person's Savings and Profit Sharing account. --- Signature --- /s/ /s/ Cristina Paradiso, attorney-in-fact for Brian D. Buchert (2026-03-03)