0000806636-17-000002.txt : 20171219 0000806636-17-000002.hdr.sgml : 20171219 20171219122622 ACCESSION NUMBER: 0000806636-17-000002 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20171218 FILED AS OF DATE: 20171219 DATE AS OF CHANGE: 20171219 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: SOUTHEASTERN ASSET MANAGEMENT INC/TN/ CENTRAL INDEX KEY: 0000807985 STATE OF INCORPORATION: TN FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 000-18859 FILM NUMBER: 171263361 BUSINESS ADDRESS: STREET 1: 6410 POPLAR AVENUE STE 900 CITY: MEMPHIS STATE: TN ZIP: 38119 BUSINESS PHONE: 9017612474 MAIL ADDRESS: STREET 1: 6410 POPLAR AVENUE STREET 2: SUITE 900 CITY: MEMPHIS STATE: TN ZIP: 38119 FORMER NAME: FORMER CONFORMED NAME: PROFESSIONAL PORTFOLIO MANAGEMENT INC DATE OF NAME CHANGE: 19890314 FORMER NAME: FORMER CONFORMED NAME: SOUTHEASTERN ASSET MANAGEMENT INC DATE OF NAME CHANGE: 19880622 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: SONIC CORP CENTRAL INDEX KEY: 0000868611 STANDARD INDUSTRIAL CLASSIFICATION: RETAIL-EATING PLACES [5812] IRS NUMBER: 731371046 STATE OF INCORPORATION: DE FISCAL YEAR END: 0816 BUSINESS ADDRESS: STREET 1: 300 JOHNNY BENCH DRIVE CITY: OKLAHOMA CITY STATE: OK ZIP: 73104 BUSINESS PHONE: 4052255000 MAIL ADDRESS: STREET 1: 300 JOHNNY BENCH DRIVE CITY: OKLAHOMA CITY STATE: OK ZIP: 73104 3 1 primary_doc.xml PRIMARY DOCUMENT X0206 3 2017-12-18 0 0000868611 SONIC CORP SONC 0000807985 SOUTHEASTERN ASSET MANAGEMENT INC/TN/ 6410 POPLAR AVENUE SUITE 900 MEMPHIS TN 38119 0 0 1 0 Common Stock 6436879 I Voting and/or investment discretion per investment advisory contracts Southeastern Asset Management, Inc. ("Southeastern") does not have a pecuniary interest in the securities. As a result of a conversion from a Schedule 13G to a Schedule 13D, Southeastern may now be deemed a "beneficial owner" of more than 10% of the company's common stock for Section 16 purposes under Rule 16a-1(a)(1) under the Securities Exchange Act of 1934. As permitted by Rule 16a-1, this Form 3 shall not be deemed an admission that Southeastern is the beneficial owner of more than 10% of the company's common stock for Section 16 purposes. The number of securities reported in Table I includes 6,370,000 shares held by Longleaf Partners Small Cap Fund. /s/ Andrew R. McCarroll, General Counsel, Southeastern Asset Management, Inc. 2017-12-19