ARMSTRONG WORLD INDUSTRIES INC - Form 4 Filing

This Form 4 filing details transactions by Victor Grizzle, Executive Chair of ARMSTRONG WORLD INDUSTRIES INC (AWI). On April 8, 2026, Grizzle acquired 97,835 shares of Common Stock valued at $0.00 upon the conversion of performance-based restricted stock units. These units vested after the performance period of January 1, 2023, to December 31, 2025, and were subject to certified performance conditions. Following this, Grizzle disposed of 42,550 shares of Common Stock at a price of $172.77 per share to cover tax obligations incurred from the vested restricted stock units. Post-transaction, Grizzle directly owns 464,670 shares of AWI common stock.