0001104659-17-013659.txt : 20170302 0001104659-17-013659.hdr.sgml : 20170302 20170302203412 ACCESSION NUMBER: 0001104659-17-013659 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20170228 FILED AS OF DATE: 20170302 DATE AS OF CHANGE: 20170302 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: 1227 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 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: SIMPKINS NEIL P CENTRAL INDEX KEY: 0001275519 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36873 FILM NUMBER: 17661189 BUSINESS ADDRESS: STREET 1: C/O BLACKSTONE GROUP STREET 2: 345 PARK AVENUE CITY: NEW YORK STATE: NY ZIP: 10154 BUSINESS PHONE: 2125835000 MAIL ADDRESS: STREET 1: C/O BLACKSTONE GROUP STREET 2: 345 PARK AVENUE CITY: NEW YORK STATE: NY ZIP: 10154 4 1 a4.xml 4 X0306 4 2017-02-28 0 0001621563 Summit Materials, Inc. SUM 0001275519 SIMPKINS NEIL P C/O THE BLACKSTONE GROUP L.P. 345 PARK AVENUE NEW YORK NY 10154 1 0 0 0 Restricted Stock Units 2017-02-28 4 A 0 4098 0 A Class A Common Stock 4098 4098 D Each restricted stock unit represents a contingent right to receive one share of Issuer Class A common stock ("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 compensation committee. The restricted stock units vest on February 28, 2018. /s/Anne Lee Benedict, as Attorney-in-Fact 2017-03-02