| Filed On | Filing |
|---|---|
| 12 Jan 2021 | SC 13D/A |
| 18 Dec 2013 | SCHEDULE 13D AMENDMENT NO. 4 |
| 12 Aug 2013 | SCHEDULE 13D AMENDMENT NO. 3 |
| 07 May 2013 | SCHEDULE 13D AMENDMENT NO. 2 |
| 16 Dec 2011 | SCHEDULE 13D AMENDMENT NO. 1 |
| 04 Apr 2011 | PIONEER NATURAL RESOURCES COMPANY - 13D |
| 23 Mar 2011 | PIONEER NATURAL RESOURCES COMPANY - 13D |
| 10 Mar 2011 | PIONEER NATURAL RESOURCES COMPANY - 13D |
| 22 Feb 2011 | PIONEER NATURAL RESOURCES COMPANY - 13D |
| 10 Jan 2011 | PIONEER NATURAL RESOURCES COMPANY - 13D |
| 09 Dec 2010 | PIONEER NATURAL RESOURCES COMPANY - 13D |
| 27 Sep 2010 | PIONEER NATURAL RESOURCES COMPANY - 13D |
| 29 Jun 2010 | PIONEER NATURAL RESOURCES COMPANY 13D |
| 10 Aug 2009 | PIONEER NATURAL RESOURCES COMPANY 13D |
| 19 Mar 2009 | PIONEER NATURAL RESOURCES COMPANY 13D |
| 07 Apr 2000 | AMENDMENT NO. 1 TO SCHEDULE 13D |
| 22 Apr 1999 | AMENDMENT NO. 1 TO SCHEDULE 13D |
| 31 Mar 1998 | AMENDMENT NO. 2 TO SCHEDULE 13D |
| 15 Sep 1997 | AMENDMENT NO.1 TO SCHEDULE 13D |
| 05 Sep 1997 | SCHEDULE 13D/AMENDMENT |
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