0001628280-24-008676.txt : 20240304 0001628280-24-008676.hdr.sgml : 20240304 20240304182052 ACCESSION NUMBER: 0001628280-24-008676 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: Kilgore Jason CENTRAL INDEX KEY: 0002006214 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36873 FILM NUMBER: 24717120 MAIL ADDRESS: STREET 1: 1801 CALIFORNIA STREET STREET 2: SUITE 3500 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] 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_1709594440.xml FORM 4 X0508 4 2024-02-29 0 0001621563 Summit Materials, Inc. SUM 0002006214 Kilgore Jason 1801 CALIFORNIA STREET SUITE 3500 DENVER CO 80202 0 1 0 0 See Remarks 0 Class A Common Stock 2024-02-29 4 M 0 2786 A 47773 D Class A Common Stock 2024-02-29 4 M 0 2796 A 50569 D Class A Common Stock 2024-02-29 4 M 0 3217 A 53786 D Class A Common Stock 2024-02-29 4 F 0 2652 42.71 D 51134 D Class A Common Stock 108642 I See Footnote Restricted Stock Units 2024-02-29 4 M 0 2786 0 D Class A Common Stock 2786 0 D Restricted Stock Units 2024-02-29 4 M 0 2796 0 D Class A Common Stock 2796 2795 D Restricted Stock Units 2024-02-29 4 M 0 3217 0 D Class A Common Stock 3217 6432 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. Reflects securities held by a limited liability company for the benefit of Mr. Kilgore's family, for which Mr. Kilgore's spouse serves as manager. 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 vested on February 29, 2024. The Reporting Person was granted 8,387 restricted stock units that vest in three equal annual installments beginning on February 28, 2023. The Reporting Person was granted 9,649 restricted stock units that vest in three equal annual installments beginning on February 29, 2024. Title: EVP, West Segment Construction Materials /s/ David Hamm, as Attorney-in-Fact 2024-03-04