{"schema_version":"secwatch.filing_event.v1","accession":"0001104657-21-000096","form_type":"8-K","ticker":"MTRN","cik":"0001104657","company_name":"MATERION Corp","filed_at":"2021-10-05T23:59:59+00:00","discovered_at":"2026-05-14T18:04:11.513290+00:00","generated_at":"2026-06-28T22:50:23.609552+00:00","sec_items":["1.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Materion amends credit agreement to raise leverage covenant for H.C. Starck acquisition","bullets":["Amendment No. 1 to Third Amended and Restated Credit Agreement entered on Sept 30, 2021.","Increases maximum leverage ratio covenant to permit debt for proposed acquisition of H.C. Starck Inc.","Lender group includes JPMorgan Chase, Wells Fargo, Bank of America, and KeyBank."],"urls":{"canonical":"https://secwatch.observer/filing/0001104657-21-000096","json":"https://secwatch.observer/filing/0001104657-21-000096.json","markdown":"https://secwatch.observer/filing/0001104657-21-000096.md","text":"https://secwatch.observer/filing/0001104657-21-000096.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1104657/000110465721000096/0001104657-21-000096-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1104657/000110465721000096/mtrn-20210930.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T22:50:23.609552+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"}