{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-121320","form_type":"8-K","ticker":"EXP","cik":"0000918646","company_name":"EAGLE MATERIALS INC","filed_at":"2025-05-16T23:59:59+00:00","discovered_at":"2026-05-14T18:02:51.813417+00:00","generated_at":"2026-05-21T04:10:44.985694+00:00","sec_items":["7.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Eagle Materials to invest $330M to expand Duke wallboard plant capacity by 25% and cut costs 20%","bullets":["Total investment $330M; capacity increase of 300M sq ft (25%) to ~1.5B sq ft.","Manufacturing cost savings of nearly 20% from upgraded technology and reduced natural gas usage.","Construction begins immediately; startup expected H2 2027; all regulatory approvals received.","Future optional expansion of 500M sq ft could bring total capacity to 2.0B sq ft with moderate additional investment.","Plant serves high-growth South and Sunbelt markets; American Gypsum is 5th largest US wallboard producer."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-121320","json":"https://secwatch.observer/filing/0001193125-25-121320.json","markdown":"https://secwatch.observer/filing/0001193125-25-121320.md","text":"https://secwatch.observer/filing/0001193125-25-121320.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/918646/000119312525121320/0001193125-25-121320-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/918646/000119312525121320/d939050d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-21T04:10:44.985694+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}