0001104657-23-000163.txt : 20231212 0001104657-23-000163.hdr.sgml : 20231212 20231212174452 ACCESSION NUMBER: 0001104657-23-000163 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231208 FILED AS OF DATE: 20231212 DATE AS OF CHANGE: 20231212 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Prevost Patrick M. CENTRAL INDEX KEY: 0001422978 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-15885 FILM NUMBER: 231482256 MAIL ADDRESS: STREET 1: C/O SOUTHWESTERN ENERGY COMPANY STREET 2: 10000 ENERGY DRIVE CITY: SPRING STATE: TX ZIP: 77389-4954 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: MATERION Corp CENTRAL INDEX KEY: 0001104657 STANDARD INDUSTRIAL CLASSIFICATION: METAL FORGING & STAMPINGS [3460] IRS NUMBER: 341919973 STATE OF INCORPORATION: OH FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 6070 PARKLAND BLVD. CITY: MAYFIELD HTS. STATE: OH ZIP: 44124 BUSINESS PHONE: 2163834931 MAIL ADDRESS: STREET 1: 6070 PARKLAND BLVD. CITY: MAYFIELD HTS. STATE: OH ZIP: 44124 FORMER COMPANY: FORMER CONFORMED NAME: BRUSH ENGINEERED MATERIALS INC DATE OF NAME CHANGE: 20000131 4 1 wk-form4_1702421080.xml FORM 4 X0508 4 2023-12-08 0 0001104657 MATERION Corp MTRN 0001422978 Prevost Patrick M. 6070 PARKLAND BLVD MAYFIELD HTS. OH 44124 1 0 0 0 0 Common Stock 2023-12-08 4 A 0 13.414 0 A 11912.032 I Held In Directors Deferred Comp. Plan Restricted Stock Units 2023-12-08 4 A 0 1 0 A Common Stock 1 1151 D Each restricted stock unit represents a right to receive one share of MTRN common stock. These units, which were acquired upon the reinvestment of dividend equivalents, will vest at the same time as the restricted stock units to which they relate (earlier of May 18, 2024 and the date of the next annual meeting of MTRN's shareholders). Expiration Date is the same as the Date Exercisable. /s/Michelle R. Mekinda as attorney-in-fact 2023-12-12