0001104659-17-012716.txt : 20170228 0001104659-17-012716.hdr.sgml : 20170228 20170228201657 ACCESSION NUMBER: 0001104659-17-012716 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20170224 FILED AS OF DATE: 20170228 DATE AS OF CHANGE: 20170228 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: GARDNER TED A CENTRAL INDEX KEY: 0001228680 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36873 FILM NUMBER: 17650941 MAIL ADDRESS: STREET 1: 1001 LOUISIANA, SUITE 1000 CITY: HOUSTON STATE: TX ZIP: 77002 4 1 a4.xml 4 X0306 4 2017-02-24 0 0001621563 Summit Materials, Inc. SUM 0001228680 GARDNER TED A C/O SUMMIT MATERIALS, INC. 1550 WYNKOOP STREET, 3RD FLOOR DENVER CO 80202 1 0 0 0 Class A Common Stock 2017-02-24 4 M 0 6414 A 6414 D Class A Common Stock 19332 I See Footnote Restricted Stock Units 2017-02-24 4 M 0 6414 0 D Class A Common Stock 6414 0 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. Reflects securities held by certain investment funds affiliated with Silverhawk Summit, L.P. ("Silverhawk"). Mr. Gardner, a managing partner and co-founder of Silverhawk, may be deemed to have beneficial ownership of the securities of the Issuer held by Silverhawk. Total holdings include shares of Class A Common Stock received pursuant to a stock dividend paid on December 28, 2016. Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock. The restricted stock units settle in either Class A Common Stock or cash (or a combination thereof) at the discretion of the Issuer's compensation committee. On February 24, 2016, the Reporting Person was granted 6,414 restricted stock units that vested on February 24, 2017. /s/Anne Lee Benedict, as Attorney-in-Fact 2017-02-28