0001628280-24-008671.txt : 20240304 0001628280-24-008671.hdr.sgml : 20240304 20240304181927 ACCESSION NUMBER: 0001628280-24-008671 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240229 FILED AS OF DATE: 20240304 DATE AS OF CHANGE: 20240304 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Noonan Anne P CENTRAL INDEX KEY: 0001620412 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36873 FILM NUMBER: 24717107 MAIL ADDRESS: STREET 1: 25435 HARVARD RD CITY: BEACHWOOD STATE: OH ZIP: 44122 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Summit Materials, Inc. CENTRAL INDEX KEY: 0001621563 STANDARD INDUSTRIAL CLASSIFICATION: MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400] ORGANIZATION NAME: 01 Energy & Transportation 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_1709594352.xml FORM 4 X0508 4 2024-02-29 0 0001621563 Summit Materials, Inc. SUM 0001620412 Noonan Anne P C/O SUMMIT MATERIALS, INC. 1801 CALIFORNIA STREET, SUITE 3500 DENVER CO 80202 1 1 0 0 President & CEO 0 Class A Common Stock 2024-02-29 4 M 0 16946 A 197795 D Class A Common Stock 2024-02-29 4 M 0 16632 A 214427 D Class A Common Stock 2024-02-29 4 M 0 18122 A 232549 D Class A Common Stock 2024-02-29 4 F 0 19108 42.71 D 213441 D Restricted Stock Units 2024-02-29 4 M 0 16946 0 D Class A Common Stock 16946 0 D Restricted Stock Units 2024-02-29 4 M 0 16632 0 D Class A Common Stock 16632 17260 D Restricted Stock Units 2024-02-29 4 M 0 18122 0 D Class A Common Stock 18122 36242 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. Total holdings include shares of Class A Common Stock acquired through the Issuer's Employee Stock Purchase Plan on April 14, 2022 and May 28, 2023. 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 vested on February 29, 2024. 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. These restricted stock units vest in three equal annual installments beginning on February 28, 2023. These restricted stock units vest in three equal annual installments beginning on February 29, 2024. /s/ Christopher B. Gaskill, as Attorney-in-Fact 2024-03-04