0001104659-17-019751.txt : 20170328 0001104659-17-019751.hdr.sgml : 20170328 20170328181456 ACCESSION NUMBER: 0001104659-17-019751 CONFORMED SUBMISSION TYPE: 4/A PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20170228 FILED AS OF DATE: 20170328 DATE AS OF CHANGE: 20170328 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: Murphy Damian John CENTRAL INDEX KEY: 0001635256 FILING VALUES: FORM TYPE: 4/A SEC ACT: 1934 Act SEC FILE NUMBER: 001-36873 FILM NUMBER: 17720199 MAIL ADDRESS: STREET 1: C/O SUMMIT MATERIALS, INC. STREET 2: 1550 WYNKOOP STREET, 3RD FLOOR CITY: DENVER STATE: CO ZIP: 80202 4/A 1 a4a.xml 4/A X0306 4/A 2017-02-28 2017-03-02 0 0001621563 Summit Materials, Inc. SUM 0001635256 Murphy Damian John C/O SUMMIT MATERIALS, INC. 1550 WYNKOOP STREET, 3RD FLOOR DENVER CO 80202 0 1 0 0 EVP & East Division President Options (right to buy) 23.89 2017-02-28 4 A 0 8962 0 A 2027-02-28 Class A Common Stock 8962 8962 D The options vest in three equal annual installments beginning on February 28, 2018. This Amendment is being filed to correct the number of options reported as granted to the Reporting Person in the original Form 4 filed on March 2, 2017. /s/Anne Lee Benedict, as Attorney-in-Fact 2017-03-28