{"schema_version":"secwatch.filing_event.v1","accession":"0001104657-26-000031","form_type":"8-K","ticker":"MTRN","cik":"0001104657","company_name":"MATERION Corp","filed_at":"2026-05-07T23:59:59+00:00","discovered_at":"2026-05-14T18:02:31.959802+00:00","generated_at":"2026-05-14T21:24:04.016974+00:00","sec_items":["5.07"],"event_type":"other","sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"confidence":"high","headline":"Materion shareholders elect nine directors, ratify EY, and approve board size amendment at 2026 annual meeting","bullets":["All nine director nominees elected with 17.1M–18.5M votes for; Vinod M. Khilnani received 1.54M withhold votes.","Ratification of Ernst & Young as independent auditor for 2026 passed: 18.95M for, 0.59M against.","Advisory say-on-pay approved: 17.84M for, 0.83M against, with 0.85M broker non-votes.","Amendment to articles of incorporation to reduce min/max board size approved: 19.39M for, 0.12M against.","Turnout was 94% (19.54M of 20.80M outstanding shares represented at the meeting)."],"urls":{"canonical":"https://secwatch.observer/filing/0001104657-26-000031","json":"https://secwatch.observer/filing/0001104657-26-000031.json","markdown":"https://secwatch.observer/filing/0001104657-26-000031.md","text":"https://secwatch.observer/filing/0001104657-26-000031.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1104657/000110465726000031/0001104657-26-000031-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1104657/000110465726000031/mtrn-20260507.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-14T21:24:04.016974+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":"3745c4075e6cfdc9a926166b655ddfffd8163d9a","claim":"MATERION Corp shareholders approved Approval, on an advisory basis, of the compensation of the Company's named executive officers at the 2026-05-07 meeting.","evidence_excerpt":"For 17,844,749 Against 826,703 Abstentions 17,341 Broker Non-Votes 854,185","evidence_source":"SEC 8-K Item 5.07","evidence_url":"https://www.sec.gov/Archives/edgar/data/1104657/000110465726000031/0001104657-26-000031-index.htm","confidence":0.95,"family_label":"Shareholder Votes","details":[{"label":"Proposal","value":"say on pay"},{"label":"Outcome","value":"passed"},{"label":"Meeting","value":"2026-05-07"}],"fact_type":"shareholder_vote"},{"claim_id":"3c8b0667bd3b998e47aebfd7e8dbdc5b1acbca82","claim":"MATERION Corp shareholders approved Election of Directors at the 2026-05-07 meeting.","evidence_excerpt":"Those common shares were voted as follows: (1) Election of Directors . The following individuals were nominated in 2026 to serve as directors until 2027.","evidence_source":"SEC 8-K Item 5.07","evidence_url":"https://www.sec.gov/Archives/edgar/data/1104657/000110465726000031/0001104657-26-000031-index.htm","confidence":0.95,"family_label":"Shareholder Votes","details":[{"label":"Proposal","value":"director election"},{"label":"Outcome","value":"passed"},{"label":"Meeting","value":"2026-05-07"}],"fact_type":"shareholder_vote"},{"claim_id":"4436d21e2218af993e1958b3ab1b4ce1c5546558","claim":"MATERION Corp shareholders approved Ratification of the appointment of Ernst & Young LLP as the independent registered public accounting firm of the Company for the year 2026 at the 2026-05-07 meeting.","evidence_excerpt":"The proposal was ratified based on the following vote: For 18,947,675 Against 590,316 Abstentions 4,987","evidence_source":"SEC 8-K Item 5.07","evidence_url":"https://www.sec.gov/Archives/edgar/data/1104657/000110465726000031/0001104657-26-000031-index.htm","confidence":0.95,"family_label":"Shareholder Votes","details":[{"label":"Proposal","value":"auditor ratification"},{"label":"Outcome","value":"passed"},{"label":"Meeting","value":"2026-05-07"}],"fact_type":"shareholder_vote"},{"claim_id":"4d59db7a0379aea1499290969cd448711db5bad4","claim":"MATERION Corp shareholders approved Approval of an amendment to Amended & Restated Articles of Incorporation to reduce the minimum and maximum size of the Board of Directors at the 2026-05-07 meeting.","evidence_excerpt":"For 19,393,987 Against 124,915 Abstentions 24,076 Broker Non-Votes 0","evidence_source":"SEC 8-K Item 5.07","evidence_url":"https://www.sec.gov/Archives/edgar/data/1104657/000110465726000031/0001104657-26-000031-index.htm","confidence":0.95,"family_label":"Shareholder Votes","details":[{"label":"Proposal","value":"charter amendment"},{"label":"Outcome","value":"passed"},{"label":"Meeting","value":"2026-05-07"}],"fact_type":"shareholder_vote"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}