<SEC-DOCUMENT>0000892712-15-000281-index.html : 20150213 <SEC-HEADER>0000892712-15-000281.hdr.sgml : 20150213 <ACCEPTANCE-DATETIME>20150213111229 ACCESSION NUMBER: 0000892712-15-000281 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20150213 DATE AS OF CHANGE: 20150213 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: UNIT CORP CENTRAL INDEX KEY: 0000798949 STANDARD INDUSTRIAL CLASSIFICATION: CRUDE PETROLEUM & NATURAL GAS [1311] IRS NUMBER: 731283193 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-38944 FILM NUMBER: 15611001 BUSINESS ADDRESS: STREET 1: 1000 KENSINGTON TOWER STREET 2: 7130 SO LEWIS STE 1000 CITY: TULSA STATE: OK ZIP: 74136 BUSINESS PHONE: 9184937700 MAIL ADDRESS: STREET 1: 1000 KENSINGTON TOWER STREET 2: 7130 SO LEWIS STE 1000 CITY: TULSA STATE: OK ZIP: 74136 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: HEARTLAND ADVISORS INC CENTRAL INDEX KEY: 0000937394 IRS NUMBER: 391078128 STATE OF INCORPORATION: WI FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 789 N WATER STREET CITY: MILWAUKEE STATE: WI ZIP: 53202 BUSINESS PHONE: 414-347-7777 MAIL ADDRESS: STREET 1: 789 N WATER STREET CITY: MILWAUKEE STATE: WI ZIP: 53202 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>heartlandunit13ga.htm <DESCRIPTION>AMENDMENT NO. 2 TO SCHEDULE 13G <TEXT> Document 1 - file: heartlandunit13ga.htm
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