0001104659-21-082174.txt : 20210616 0001104659-21-082174.hdr.sgml : 20210616 20210616203815 ACCESSION NUMBER: 0001104659-21-082174 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210614 FILED AS OF DATE: 20210616 DATE AS OF CHANGE: 20210616 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: LANCE HOWARD L CENTRAL INDEX KEY: 0001220679 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36873 FILM NUMBER: 211023077 MAIL ADDRESS: STREET 1: C/O SUMMIT MATERIALS, INC. STREET 2: 1550 WYNKOOP STREET, 3RD FLOOR CITY: DENVER STATE: CO ZIP: 80202 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: 0101 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 2021-06-14 0 0001621563 Summit Materials, Inc. SUM 0001220679 LANCE HOWARD L C/O SUMMIT MATERIALS, INC. 1550 WYNKOOP STREET, 3RD FLOOR DENVER CO 80202 1 0 0 0 Class A Common Stock 2021-06-14 4 C 0 90000 A 93994 D Class A Common Stock 2021-06-14 4 M 0 82500 18 A 176494 D Class A Common Stock 2021-06-14 4 S 0 82500 34.30 D 93994 D Class A Common Stock 2021-06-15 4 M 0 82500 18 A 176494 D Class A Common Stock 2021-06-15 4 S 0 82500 34.53 D 93994 D Class A Common Stock 2021-06-16 4 S 0 90000 34.33 D 3994 D LP Units of Summit Materials Holdings L.P. 2021-06-14 4 C 0 90000 D Class A Common Stock 90000 45772 D Options (right to buy) 2021-06-14 4 M 0 82500 0 D 2025-03-11 Class A Common Stock 82500 164111 D Options (right to buy) 2021-06-15 4 M 0 82500 0 D 2025-03-11 Class A Common Stock 82500 81611 D Pursuant to the terms of an exchange agreement, dated as of March 11, 2015, the limited partnership units of Summit Materials Holdings L.P. ("LP Units") reported herein are exchangeable from and after the first anniversary of the closing of the Issuer's initial public offering (subject to the terms of the exchange agreement and vesting requirements, including certain vesting events more fully described in the Issuer's Registration Statement on Form S-1 (File No. 333-201058)) for shares of the issuer's Class A common stock on a one-for-one basis. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $34.03 to $34.47, 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. The Reporting Person remains within compliance of the Issuer's equity ownership guidelines. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $34.36 to $34.75, 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. The Reporting Person remains within compliance of the Issuer's equity ownership guidelines. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $34.02 to $34.54, 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. The Reporting Person remains within compliance of the Issuer's equity ownership guidelines. These options are fully vested. /s/ Christopher B. Gaskill, as Attorney-in-Fact 2021-06-16