Enpro Director John Humphrey Phantom Stock Dividend Equivalent Accruals

This Form 4 filing reports that John Humphrey, a director of Enpro Inc. (NPO), acquired dividend equivalent rights on phantom stock holdings through two separate transactions on June 17, 2026. The first transaction involved 11.1015 phantom stock units at $363.62 per share, accrued under the Deferred Compensation Plan for Non-Employee Directors, bringing his total phantom stock holdings to 17,861.0115 units. The second transaction involved 8.0000 phantom stock units at the same price per share, accrued under the Amended and Restated 2002 Equity Compensation Plan, increasing his total to 17,869.0115 units. These dividend equivalent rights are tied to previously granted phantom stock awards and represent additional compensation for the director. The phantom stock units convert to common stock on a 1-for-1 basis and vest upon death, disability, or vesting of the underlying awards. This filing demonstrates ongoing director compensation through equity-based plans.