secwatch.observer — SEC 8-K summary ====================================== Issuer: MATERION Corp (MTRN) CIK: 0001104657 Form: 8-K Filed at: 2025-12-11T23:59:59+00:00 Accession: 0001104657-25-000207 Event type: leadership Sentiment: neutral Materiality: 0.50 Item codes: 5.02 LLM model: deepseek-v4-flash:cloud@v2 Materion appoints Thomas Edman to Board; Reddy to retire at 2026 meeting ------------------------------------------------------------------------ - N. Mohan Reddy will retire from Materion Board at the 2026 annual meeting after 25+ years of service. - Board increased to ten members; appointed Thomas T. Edman, former CEO of TTM Technologies, effective Jan 21, 2026. - Edman will serve on Audit/Risk and Nominating/Governance/Corporate Responsibility Committees. - Edman receives standard non-employee director compensation; annual RSU increased to $145,000; initial equity award eliminated. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1104657/000110465725000207/0001104657-25-000207-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1104657/000110465725000207/mtrn-20251209.htm HTML page: https://secwatch.observer/filing/0001104657-25-000207 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer