0001628280-23-032469.txt : 20230918 0001628280-23-032469.hdr.sgml : 20230918 20230918163210 ACCESSION NUMBER: 0001628280-23-032469 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230915 FILED AS OF DATE: 20230918 DATE AS OF CHANGE: 20230918 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Ghelani Kekin CENTRAL INDEX KEY: 0001929414 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36873 FILM NUMBER: 231261555 MAIL ADDRESS: STREET 1: 1550 WYNKOOP 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 wk-form4_1695069118.xml FORM 4 X0508 4 2023-09-15 0 0001621563 Summit Materials, Inc. SUM 0001929414 Ghelani Kekin C/O SUMMIT MATERIALS, INC. 1801 CALIFORNIA STREET, SUITE 3500 DENVER CO 80202 0 1 0 0 Chief Strategy&Growth Officer 0 Class A Common Stock 2023-09-15 4 M 0 9667 A 10656 D Class A Common Stock 2023-09-15 4 F 0 2780 32 D 7876 D Restricted Stock Units 2023-09-15 4 M 0 9667 0 D Class A Common Stock 9667 19334 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. Includes 989 shares acquired through the Issuer's Employee Stock Purchase Plan on 5/28/23. 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 in three equal annual installments on September 15, 2023, February 28, 2024 and February 28, 2025. /s/ David Hamm, as Attorney-in-Fact 2023-09-18