SEC Filing Summary for ARMSTRONG WORLD INDUSTRIES INC

Christopher P. Calzaretta, SVP & CFO of ARMSTRONG WORLD INDUSTRIES INC, reported a transaction on April 8, 2026. He acquired 9,149 shares of Common Stock through the conversion of performance-based restricted stock units, with a transaction price of $0.00. This transaction resulted in 15,171 shares held post-transaction. Subsequently, 3,980 shares were withheld to cover tax obligations related to the vesting of these units, at a price of $172.77 per share. This left Mr. Calzaretta with 11,191 shares of Common Stock. The performance-based restricted stock units were granted on March 1, 2023, under the 2022 Equity and Cash Incentive Plan, with a performance period from January 1, 2023, to December 31, 2025. Vesting and payment were contingent upon achieving pre-established performance conditions, which were certified on April 8, 2026.