0000806636-19-000004.txt : 20190617 0000806636-19-000004.hdr.sgml : 20190617 20190617144204 ACCESSION NUMBER: 0000806636-19-000004 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20190617 FILED AS OF DATE: 20190617 DATE AS OF CHANGE: 20190617 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: LONGLEAF PARTNERS FUNDS TRUST CENTRAL INDEX KEY: 0000806636 STATE OF INCORPORATION: TN FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36873 FILM NUMBER: 19901167 BUSINESS ADDRESS: STREET 1: C/O SOUTHEASTERN ASSET MANAGEMENT STREET 2: 6410 POPLAR AVE, SUITE 900 CITY: MEMPHIS STATE: TN ZIP: 38119 BUSINESS PHONE: 9017612474 MAIL ADDRESS: STREET 1: C/O SOUTHEASTERN ASSET MANAGEMENT STREET 2: 6410 POPLAR AVE, SUITE 900 CITY: MEMPHIS STATE: TN ZIP: 38119 FORMER NAME: FORMER CONFORMED NAME: SOUTHEASTERN ASSET MANAGEMENT FUNDS TRUST DATE OF NAME CHANGE: 19920703 FORMER NAME: FORMER CONFORMED NAME: SOUTHEASTERN ASSET MANAGEMENT VALUE TRUST DATE OF NAME CHANGE: 19881220 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 3 1 primary_doc.xml PRIMARY DOCUMENT X0206 3 2019-06-17 0 0001621563 Summit Materials, Inc. SUM 0000806636 LONGLEAF PARTNERS FUNDS TRUST C/O SOUTHEASTERN ASSET MANAGEMENT 6410 POPLAR AVE, SUITE 900 MEMPHIS TN 38119 0 0 1 0 Class A Common Stock 12699444 D This Form 3 is filed by Longleaf Partners Funds Trust on behalf of Longleaf Partners Small Cap Fund. As a result of converting from a Schedule 13G to a Schedule 13D, Longleaf Partners Small-Cap Fund may be deemed a "beneficial owner" of more than 10% of the company's Class A Common Stock for Section 16 purposes under Rule 16a-1(a)(1). As permitted by Rule 16a-1, this Form 3 filing shall not be deemed an admission that Longleaf Partners Funds Trust or Longleaf Partners Small Cap Fund is the beneficial owner of more than 10% of the company's Class A Common Stock for Section 16 purposes. The number of securities reported in Table I herein is included in Table I of the Form 3 filed by Southeastern Asset Management, Inc. /s/ Andrew R. McCarroll, General Counsel, Southeastern Asset Management, Inc. on behalf of Longleaf Partners Funds Trust 2019-06-17