<SEC-DOCUMENT>0001258897-19-001093-index.html : 20190208 <SEC-HEADER>0001258897-19-001093.hdr.sgml : 20190208 <ACCEPTANCE-DATETIME>20190208075445 ACCESSION NUMBER: 0001258897-19-001093 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20190208 DATE AS OF CHANGE: 20190208 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: PARKER DRILLING CO /DE/ CENTRAL INDEX KEY: 0000076321 STANDARD INDUSTRIAL CLASSIFICATION: DRILLING OIL & GAS WELLS [1381] IRS NUMBER: 730618660 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-37314 FILM NUMBER: 19577520 BUSINESS ADDRESS: STREET 1: 5 GREENWAY PLAZA STREET 2: SUITE 100 CITY: HOUSTON STATE: TX ZIP: 77046 BUSINESS PHONE: 281-406-2000 MAIL ADDRESS: STREET 1: 5 GREENWAY PLAZA STREET 2: SUITE 100 CITY: HOUSTON STATE: TX ZIP: 77046 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: DIMENSIONAL FUND ADVISORS LP CENTRAL INDEX KEY: 0000354204 STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000] IRS NUMBER: 222370029 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 6300 BEE CAVE ROAD STREET 2: BUILDING ONE CITY: AUSTIN STATE: TX ZIP: 78746 BUSINESS PHONE: (512) 306-7400 MAIL ADDRESS: STREET 1: 6300 BEE CAVE ROAD STREET 2: BUILDING ONE CITY: AUSTIN STATE: TX ZIP: 78746 FORMER COMPANY: FORMER CONFORMED NAME: DIMENSIONAL FUND ADVISORS INC DATE OF NAME CHANGE: 19920929 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>dfs266.htm <DESCRIPTION>SCHEDULE 13G/A <TEXT> Document 1 - file: dfs266.htm
</DOCUMENT> </SEC-DOCUMENT>