Form 4 Filing for Compass Minerals International Inc.

Richard P. Dealy, a director at Compass Minerals International Inc., acquired 1333 units of common stock on September 30, 2026. These units were granted by the issuer in connection with his service as a director. Following this transaction, Dealy now holds 47093 units of common stock. The transaction code "A" indicates acquisition, and the price per share was $0.0, suggesting these were likely performance awards or restricted stock units vesting. The filing was signed by Jared Campbell on behalf of Dealy on October 1, 2026.