{"schema_version":"secwatch.filing_event.v1","accession":"0001104657-24-000049","form_type":"8-K","ticker":"MTRN","cik":"0001104657","company_name":"MATERION Corp","filed_at":"2024-03-28T23:59:59+00:00","discovered_at":"2026-05-14T18:03:23.375883+00:00","generated_at":"2026-06-04T05:44:41.699757+00:00","sec_items":["7.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Materion warns Q1 value-added sales ~10% below guidance, sees $255-265M","bullets":["Value-added sales estimated at $255M–$265M, approximately 10% below 2024 earnings guidance.","Shortfall due to temporary operational challenges and slower incoming order rates.","Company expects Q1 shortfall to be made up over the balance of 2024.","Update to be provided during Q1 earnings call in early May."],"urls":{"canonical":"https://secwatch.observer/filing/0001104657-24-000049","json":"https://secwatch.observer/filing/0001104657-24-000049.json","markdown":"https://secwatch.observer/filing/0001104657-24-000049.md","text":"https://secwatch.observer/filing/0001104657-24-000049.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1104657/000110465724000049/0001104657-24-000049-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1104657/000110465724000049/mtrn-20240328.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-04T05:44:41.699757+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"}