SEC EDGAR Filings04/10 20:39 UTC4 - Calzaretta Christopher P.Filed: 2026-04-10 AccNo: 0000007431-26-000038 Size: 9 KBInsider Ownership FilingAWIARMSTRONG WORLD INDUSTRIES INCU.S. Securities and Exchange Commission热度 106.3重要度 74情绪 0.00