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Form SC 13D/A - General Statement of Acquisition of Beneficial Ownership: [Amend]
SEC Accession No. 0000807985-11-000033
Filing Date
2011-04-04
Accepted
2011-04-04 17:05:46
Documents
1

Document Format Files

Seq Description Document Type Size
1 PIONEER NATURAL RESOURCES COMPANY - 13D pxd13d10.txt SC 13D/A 43278
  Complete submission text file 0000807985-11-000033.txt   45108
Mailing Address 6410 POPLAR AVENUE SUITE 900 MEMPHIS TN 38119
Business Address 6410 POPLAR AVENUE STE 900 MEMPHIS TN 38119 9017612474
SOUTHEASTERN ASSET MANAGEMENT INC/TN/ (Filed by) CIK: 0000807985 (see all company filings)

IRS No.: 620951781 | State of Incorp.: TN | Fiscal Year End: 1231
Type: SC 13D/A
SIC: 0000

Mailing Address 200 WILLIAMS SQUARE WEST 5205 N OCONNOR BLVD IRVING TX 75039
Business Address 200 WILLIAMS SQUARE WEST 5205 N OCONNOR BLVD IRVING TX 75039 9724449001
PIONEER NATURAL RESOURCES CO (Subject) CIK: 0001038357 (see all company filings)

IRS No.: 752702753 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13D/A | Act: 34 | File No.: 005-51453 | Film No.: 11736736
SIC: 1311 Crude Petroleum & Natural Gas