<SEC-DOCUMENT>0001038357-21-000072-index.html : 20211115
<SEC-HEADER>0001038357-21-000072.hdr.sgml : 20211115
<ACCEPTANCE-DATETIME>20211115165202
ACCESSION NUMBER:		0001038357-21-000072
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20211026
FILED AS OF DATE:		20211115
DATE AS OF CHANGE:		20211115

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BERG MARK STEPHEN
		CENTRAL INDEX KEY:			0001238881

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13245
		FILM NUMBER:		211411894

	MAIL ADDRESS:	
		STREET 1:		777 HIDDEN RIDGE
		CITY:			IRVING
		STATE:			TX
		ZIP:			75038

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PIONEER NATURAL RESOURCES CO
		CENTRAL INDEX KEY:			0001038357
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				752702753
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		777 HIDDEN RIDGE
		CITY:			IRVING
		STATE:			TX
		ZIP:			75038
		BUSINESS PHONE:		9724449001

	MAIL ADDRESS:	
		STREET 1:		777 HIDDEN RIDGE
		CITY:			IRVING
		STATE:			TX
		ZIP:			75038
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_163701310027253.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wf-form4_163701310027253.html

Document 1 - RAW XML: wf-form4_163701310027253.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>poa.txt
<DESCRIPTION>POWER OF ATTORNEY FOR: AKSHAR C. PATEL, ATTORNEY-IN-FACT FOR MARK S. BERG
<TEXT>
Document 2 - file: poa.txt

</DOCUMENT>
</SEC-DOCUMENT>