0001628280-23-005112.txt : 20230224 0001628280-23-005112.hdr.sgml : 20230224 20230224182352 ACCESSION NUMBER: 0001628280-23-005112 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230222 FILED AS OF DATE: 20230224 DATE AS OF CHANGE: 20230224 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: WUNNING STEVEN H CENTRAL INDEX KEY: 0001171788 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36873 FILM NUMBER: 23669281 MAIL ADDRESS: STREET 1: 471 EAST HIGH POINT DRIVE CITY: PEORIA STATE: IL ZIP: 61614 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Summit Materials, Inc. CENTRAL INDEX KEY: 0001621563 STANDARD INDUSTRIAL CLASSIFICATION: MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400] IRS NUMBER: 471984212 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1550 WYNKOOP STREET, 3RD FLOOR CITY: DENVER STATE: CO ZIP: 80202 BUSINESS PHONE: 303-893-0012 MAIL ADDRESS: STREET 1: 1550 WYNKOOP STREET, 3RD FLOOR CITY: DENVER STATE: CO ZIP: 80202 4 1 wf-form4_167728101501650.xml FORM 4 X0306 4 2023-02-22 0 0001621563 Summit Materials, Inc. SUM 0001171788 WUNNING STEVEN H C/O SUMMIT MATERIALS, INC. 1801 CALIFORNIA STREET, SUITE 3500 DENVER, CO 80202 1 0 0 0 Restricted Stock Units 2023-02-22 4 A 0 4038 0 A Class A Common Stock 4038.0 4038 D Each restricted stock unit represents a contingent right to receive one share of Class A common stock of the Issuer ("Class A Common Stock"). The restricted stock units will be settled in either Class A Common Stock or cash (or a combination thereof) at the discretion of the Issuer's Human Capital and Compensation Committee. These restricted stock units vest on February 28, 2024. /s/ Christopher B. Gaskill, as Attorney-in-Fact 2023-02-24