<SEC-DOCUMENT>0001398344-20-000536-index.html : 20200110 <SEC-HEADER>0001398344-20-000536.hdr.sgml : 20200110 <ACCEPTANCE-DATETIME>20200110090720 ACCESSION NUMBER: 0001398344-20-000536 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20200110 DATE AS OF CHANGE: 20200110 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: PIONEER ENERGY SERVICES CORP CENTRAL INDEX KEY: 0000320575 STANDARD INDUSTRIAL CLASSIFICATION: DRILLING OIL & GAS WELLS [1381] IRS NUMBER: 742088619 STATE OF INCORPORATION: TX FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-33018 FILM NUMBER: 20519581 BUSINESS ADDRESS: STREET 1: 1250 N.E. LOOP 410 STREET 2: SUITE 1000 CITY: SAN ANTONIO STATE: TX ZIP: 78209 BUSINESS PHONE: 2108287689 MAIL ADDRESS: STREET 1: 1250 N.E. LOOP 410 STREET 2: SUITE 1000 CITY: SAN ANTONIO STATE: TX ZIP: 78209 FORMER COMPANY: FORMER CONFORMED NAME: PIONEER DRILLING CO DATE OF NAME CHANGE: 20011102 FORMER COMPANY: FORMER CONFORMED NAME: SOUTH TEXAS DRILLING & EXPLORATION INC DATE OF NAME CHANGE: 19920703 FORMER COMPANY: FORMER CONFORMED NAME: SOUTH TEXAS DRILLING CO DATE OF NAME CHANGE: 19810715 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: VAN DEN BERG MANAGEMENT I, INC CENTRAL INDEX KEY: 0001142062 IRS NUMBER: 953017097 STATE OF INCORPORATION: TX FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 805 LAS CIMAS PARKWAY STREET 2: SUITE 430 CITY: AUSTIN STATE: TX ZIP: 78746 BUSINESS PHONE: 512-329-0050 MAIL ADDRESS: STREET 1: 805 LAS CIMAS PARKWAY STREET 2: SUITE 430 CITY: AUSTIN STATE: TX ZIP: 78746 FORMER COMPANY: FORMER CONFORMED NAME: VAN DEN BERG MANAGEMENT I INC DATE OF NAME CHANGE: 20140819 FORMER COMPANY: FORMER CONFORMED NAME: VAN DEN BERG MANAGEMENT INC/TX DATE OF NAME CHANGE: 20020917 FORMER COMPANY: FORMER CONFORMED NAME: VAN DEN BERG MANAGEMENT INC/CA DATE OF NAME CHANGE: 20010606 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>fp0049194_sc13ga.htm <TEXT> Document 1 - file: fp0049194_sc13ga.htm
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