0001628280-23-005886.txt : 20230301 0001628280-23-005886.hdr.sgml : 20230301 20230301173225 ACCESSION NUMBER: 0001628280-23-005886 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230228 FILED AS OF DATE: 20230301 DATE AS OF CHANGE: 20230301 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: LANCE HOWARD L CENTRAL INDEX KEY: 0001220679 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36873 FILM NUMBER: 23695254 MAIL ADDRESS: STREET 1: C/O SUMMIT MATERIALS, INC. STREET 2: 1550 WYNKOOP STREET, 3RD FLOOR CITY: DENVER STATE: CO ZIP: 80202 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_167770991526810.xml FORM 4 X0306 4 2023-02-28 0 0001621563 Summit Materials, Inc. SUM 0001220679 LANCE HOWARD L C/O SUMMIT MATERIALS, INC. 1801 CALIFORNIA STREET, SUITE 3500 DENVER CO 80202 1 0 0 0 Class A Common Stock 2023-02-28 4 M 0 3815 A 12325 D Restricted Stock Units 2023-02-28 4 M 0 3815 0 D Class A Common Stock 3815.0 0 D Reflects restricted stock units that upon vesting converted into shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. Total holdings include shares of Class A Common Stock received pursuant to a stock dividend paid on December 29, 2022. Each restricted stock unit represents a contingent right to receive one share of 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. On March 1, 2022, the Reporting Person was granted 3,815 restricted stock units that vested on February 28, 2023. /s/ Christopher B. Gaskill, as Attorney-in-Fact 2023-03-01