Insider Ownership Filing for Brandon Risner

This filing details the ownership of COMPASS MINERALS INTERNATIONAL INC (CMP) by Brandon Risner, Chief Operating Officer. The report, dated August 3, 2026, includes information on restricted stock units (RSUs) granted to Mr. Risner. These RSUs represent contingent rights to receive shares of the company's common stock and have various vesting schedules and expiration dates. Specifically, there are RSUs vesting on November 24, 2028 (10,028 units), June 15, 2028 (1,127 units), October 15, 2027 (8,885 units), and October 15, 2026 (803 units). The filing also includes a Power of Attorney (Exhibit 24) authorizing Jared Campbell to sign on behalf of Mr. Risner.