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MATERION Corp — PRE 14A Filings

3 PRE 14A filings on record

This page lists all PRE 14A filings submitted to the SEC by MATERION Corp (MTRN), sorted by most recent first. Each row links to the full filing on EdgarLookup. MATERION Corp has filed 3 PRE 14A documents with the SEC since 2017. To view all SEC filings by MATERION Corp, see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-K405 10-Q 10-Q/A 11-K 144 3 3/A 4 4/A 424B3 424B4 5 8-A12B 8-A12B/A 8-K 8-K/A CORRESP DEF 14A DEFA14A EFFECT PRE 14A S-3 S-3/A S-3MEF S-4 S-4/A S-8 S-8 POS SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13G/A SD UPLOAD
Form Description Accession Number Filed Period
PRE 14A PRE 14A 0001104657-26-000018 Mar 12, 2026 May 7, 2026
PRE 14A PRE 14A 0001104657-14-000066 Mar 21, 2014 Dec 31, 2013
PRE 14A FORM PRE 14A 0000950152-09-001954 Feb 27, 2009 May 6, 2009