0001104659-18-014206.txt : 20180301 0001104659-18-014206.hdr.sgml : 20180301 20180301210210 ACCESSION NUMBER: 0001104659-18-014206 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180228 FILED AS OF DATE: 20180301 DATE AS OF CHANGE: 20180301 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: 18659814 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 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 4 1 a4.xml 4 X0306 4 2018-02-28 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 Class A Common Stock 2018-02-28 4 M 0 4098 A 4098 D Restricted Stock Units 2018-02-28 4 M 0 4098 0 D Class A Common Stock 4098 0 D Restricted Stock Units 2018-02-28 4 A 0 3994 0 A Class A Common Stock 3994 3994 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. 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 compensation committee. On February 28, 2017, the Reporting Person was granted 4,098 restricted stock units that vested on February 28, 2018. These restricted stock units vest on February 28, 2019. /s/Anne Lee Benedict, as Attorney-in-Fact 2018-03-01