{"schema_version":"secwatch.filing_event.v1","accession":"0001104657-22-000059","form_type":"8-K","ticker":"MTRN","cik":"0001104657","company_name":"MATERION Corp","filed_at":"2022-04-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:59.767014+00:00","generated_at":"2026-06-26T05:35:55.626565+00:00","sec_items":["2.02","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Materion adopts EBITDA as primary operating metric effective Q1 2022","bullets":["New metric due to increased purchase accounting amortization from recent acquisitions affecting comparability.","Historical EBITDA and adjusted EBITDA provided for each quarter of 2019–2021 and full years 2018–2021.","Segment-level EBITDA shown for Performance Alloys, Advanced Materials, Precision Optics, and Other.","FY 2021 total EBITDA: $126.4M; adjusted EBITDA: $143.6M vs. FY 2020 EBITDA of $54.5M; adjusted $97.8M.","No current-period financial results or guidance changes reported in this filing."],"urls":{"canonical":"https://secwatch.observer/filing/0001104657-22-000059","json":"https://secwatch.observer/filing/0001104657-22-000059.json","markdown":"https://secwatch.observer/filing/0001104657-22-000059.md","text":"https://secwatch.observer/filing/0001104657-22-000059.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1104657/000110465722000059/0001104657-22-000059-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1104657/000110465722000059/mtrn-20220421.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-26T05:35:55.626565+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"}