0001628280-23-033532.txt : 20231002 0001628280-23-033532.hdr.sgml : 20231002 20231002200328 ACCESSION NUMBER: 0001628280-23-033532 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230929 FILED AS OF DATE: 20231002 DATE AS OF CHANGE: 20231002 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: 231301270 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: 1231 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 wk-form4_1696291397.xml FORM 4 X0508 4 2023-09-29 0 0001621563 Summit Materials, Inc. SUM 0001220679 LANCE HOWARD L C/O SUMMIT MATERIALS, INC. 1801 CALIFORNIA STREET, SUITE 3500 DENVER CO 80202 1 0 0 0 0 Class A Common Stock 2023-09-29 4 C 0 45772 A 45772 I by Howard L. Lance TTEE Howard Lance Trust dated 09/01/2006 Class A Common Stock 12325 D LP Units of Summit Materials Holdings L.P. 2023-09-29 4 C 0 45772 D Class A Common Stock 45772 0 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. /s/ Christopher B. Gaskill, as Attorney-in-Fact 2023-10-02