0001104659-17-012717.txt : 20170228 0001104659-17-012717.hdr.sgml : 20170228 20170228201757 ACCESSION NUMBER: 0001104659-17-012717 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: Hill Thomas W. CENTRAL INDEX KEY: 0001440948 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36873 FILM NUMBER: 17650947 MAIL ADDRESS: STREET 1: C/O SUMMIT MATERIALS, INC. STREET 2: 1550 WYNKOOP STREET, 3RD FLOOR CITY: DENVER STATE: CO ZIP: 80202 4 1 a4.xml 4 X0306 4 2017-02-24 0 0001621563 Summit Materials, Inc. SUM 0001440948 Hill Thomas W. C/O SUMMIT MATERIALS, INC. 1550 WYNKOOP STREET, 3RD FLOOR DENVER CO 80202 1 1 0 0 President and CEO Class A Common Stock 2017-02-24 4 M 0 14382 A 24653 D Class A Common Stock 2017-02-24 4 F 0 4043 23.75 D 20610 D Class A Common Stock 2017-02-27 4 S 0 5000 24.28 D 15360 I See Footnote Class A Common Stock 2017-02-28 4 S 0 5000 23.89 D 10360 I See Footnote Restricted Stock Units 2017-02-24 4 M 0 14382 0 D Class A Common Stock 14382 28763 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 28, 2016. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $23.75 to $24.55, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above. Reflects securities held by a trust for the benefit of Mr. Hill's family, for which Mr. Hill's spouse serves as trustee. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $23.75 to $24.23, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above. 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 43,145 restricted stock units that vest in three equal annual installments beginning on February 24, 2017. The Reporting Person disclaims beneficial ownership of the securities reported herein as indirectly beneficially owned, except to the extent of his pecuniary interest therein. /s/ Anne Lee Benedict, as Attorney-in-Fact 2017-02-28