{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-25-049399","form_type":"8-K","ticker":"AWI","cik":"0000007431","company_name":"ARMSTRONG WORLD INDUSTRIES INC","filed_at":"2025-04-02T23:59:59+00:00","discovered_at":"2026-05-14T18:02:51.139736+00:00","generated_at":"2026-05-24T00:09:24.761727+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Armstrong appoints Mark Hershey as SVP & COO effective April 1, 2025","bullets":["Mark A. Hershey promoted to Senior Vice President & Chief Operating Officer effective April 1, 2025.","Previously served as SVP, Americas since January 2022; prior roles include General Counsel and Secretary.","Hershey, age 55, has been with Armstrong since July 2011 in various leadership positions."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-25-049399","json":"https://secwatch.observer/filing/0000950170-25-049399.json","markdown":"https://secwatch.observer/filing/0000950170-25-049399.md","text":"https://secwatch.observer/filing/0000950170-25-049399.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/7431/000095017025049399/0000950170-25-049399-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/7431/000095017025049399/awi-20250331.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-24T00:09:24.761727+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"86c7cce6c0","claim":"Mark A. Hershey was appointed as Senior Vice President & Chief Operating Officer at ARMSTRONG WORLD INDUSTRIES INC.","evidence_excerpt":"On March 31, 2025, the Board of Directors of Armstrong World Industries, Inc. (the “Company”) appointed Mark A. Hershey as Senior Vice President & Chief Operating Officer, effective April 1, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/7431/000095017025049399/0000950170-25-049399-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Senior Vice President & Chief Operating Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}