Form 4 Filing for Richard A. Dierker

This filing details a Form 4 submission by Richard A. Dierker, President and CEO of CHURCH & DWIGHT CO INC /DE/, on August 14, 2026. The transaction involved the acquisition of 42.695 shares of Phantom Stock, with a price per share of $101.30. These phantom shares are convertible to common stock on a 1-for-1 basis and will be settled in cash according to the Deferred Compensation Plan. Following this transaction, Mr. Dierker holds 18,053.862 shares. The filing was signed by Cristina Paradiso as attorney-in-fact for Mr. Dierker on August 17, 2026.