February 27, 2026 · Form 4 insider transaction
Calzaretta Christopher P. bought 2,408 shares of Armstrong World Industries, Inc. at $173.50 per share, a transaction worth $417.8K. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 3 days after the transaction.
Restricted Stock Units convert into common stock on a one-for-one basis.