Form 4 Filing for ARMSTRONG WORLD INDUSTRIES INC

Kathleen Pitre, a director at ARMSTRONG WORLD INDUSTRIES INC (AWI), acquired 876 shares of common stock on June 12, 2026. This acquisition was part of an annual grant of restricted stock units (RSUs) under the company's non-employee Director Compensation Program and the 2016 Directors Stock Unit Plan. The fair value of these units was calculated using the closing stock price of $154.21 on the grant date. The RSUs are subject to vesting conditions, including continued service, and can be acquired upon vesting or termination of service. The filing also notes that the post-transaction shares owned by Ms. Pitre amount to 1703, including vested, unvested, and not-yet-acquirable units.