PIONEER ENERGY SERVICES CORP  [  NYSE ]  [ PES ]


1250 N.E. LOOP 410
SUITE 1000
SAN ANTONIO,  TX,
  USA
2108287689
Filing DateCurrent and former namesChanged on date
2012-07-30
PIONEER ENERGY SERVICES CORP
2007-12-13
PIONEER DRILLING CO
2003-06-03
SOUTH TEXAS DRILLING CO
1981-07-15
2002-02-08
SOUTH TEXAS DRILLING & EXPLORATION INC
1992-07-03
Central Index Key (CIK)
0000320575
State of Incorporation
TX
Country of Incorporation
USA
Fiscal year end
1231
IRS #
742088619
Std. Industrial Class.
1381 DRILLING OIL & GAS WELLS

Ownership (Form 3,4,5)# Filings
BUNCH C ROBERT (0001228213) 6
BURKHARDT DEAN A (0001185620) 23
Bouziden Bill W (0001635793) 5
CHESAPEAKE ENERGY CORP (0000895126) 4
Eustace Joseph Brooks (0001428531) 20
FARES ISSAM M (0001271862) 17
Freeman Joe (0001635450) 4
HIBBETTS WILLIAM D (0001185171) 18
Harness Mike F (0001290733) 4
LACOMBE DONALD G (0001185168) 13
LITTLE MICHAEL E (0001185098) 9
LOCKE STACY (0001185173) 45
PEBBLETON CORP N V (0001072022) 18
PENA CARLOS R (0001448971) 20
Phillips Lorne (0001384242) 20
RAUH JOHN M (0001189601) 15
Schuldt Joyce M (0001327946) 2
THOMPSON C JOHN (0001187288) 46
TIDWELL JAMES M (0001222111) 6
Tucker Brian L (0001629779) 8
Urban Scott D (0001416040) 11
WEDGE ENERGY SERVICES LLC (0001101563) 3
WEST FRANKLIN C (0001185176) 23
WHITE WILLIAM H (0001132020) 1
All related persons/companies# Filings
ARTIS CAPITAL MANAGEMENT LLC 2
ARTIS CAPITAL MANAGEMENT, L.P. (0001279364) 2
BARCLAYS GLOBAL INVESTORS NA /CA/ (0000913414) 2
BUNCH C ROBERT (0001228213) 6
BURKHARDT DEAN A (0001185620) 23
BZW BARCLAYS GLOBAL INVESTORS NA 2
Bank of New York Mellon Corp (0001390777) 2
BlackRock Inc. (0001364742) 10
Bouziden Bill W. (0001635793) 5
CHESAPEAKE ENERGY CORP (0000895126) 9
DIMENSIONAL FUND ADVISORS INC (0000354204) 10
DIMENSIONAL FUND ADVISORS LP (0000354204) 8
ELLIOTT ASSOCIATES, L.P. (0000904495) 2
EQSF ADVISERS INC 8
Eustace Joseph Brooks (0001428531) 20
FARES ISSAM M (0001271862) 17
FMR CORP (0000315066) 2
FRANKLIN RESOURCES INC (0000038777) 2
Freeman Joe (0001635450) 4
HIBBETTS WILLIAM D (0001185171) 19
HOLCOMB ALFORD G ET AL (0000934179) 1
Harness Mike F (0001290733) 4
Indian Creek Asset Management LLC (0001389359) 2
KEELEY ASSET MANAGEMENT CORP (0001056504) 3
LACOMBE DONALD G (0001185168) 14
LEWIS RODNEY R (0000934178) 1
LITTLE MICHAEL E (0001185098) 14
LOCKE STACY (0001185173) 46
MET INVESTORS ADVISORY CORP 2
MET INVESTORS ADVISORY LLC (0001129291) 2
New BlackRock, Inc. 10
PEBBLETON CORP N V (0001072022) 30
PENA CARLOS R (0001448971) 20
PIONEER DRILLING CO (0000320575) 816
Phillips Lorne (0001384242) 20
Pioneer Coiled Tubing Services, LLC (0001616734) 8
Pioneer Drilling Services, Ltd. (0001497341) 14
Pioneer Fishing & Rental Services, LLC (0001497886) 14
Pioneer Global Holdings, Inc. (0001497880) 14
Pioneer Production Services, Inc. (0001497879) 14
Pioneer Well Services, LLC (0001497882) 14
Pioneer Wireline Services Holdings, Inc. (0001497878) 14
Pioneer Wireline Services, LLC (0001497884) 14
QUEST ADVISORY CORP/NY 2
RAUH JOHN M (0001189601) 15
ROYCE & ASSOCIATES INC /NY 2
ROYCE & ASSOCIATES LLC (0000906304) 2
SOUTH TEXAS DRILLING & EXPLORATION INC (0000320575) 868
SOUTH TEXAS DRILLING CO 868
Schuldt Joyce M (0001327946) 2
T L L TEMPLE FOUNDATION (0001157453) 4
THIRD AVENUE MANAGEMENT LLC (0001099281) 8
THOMPSON C JOHN (0001187288) 46
TIDWELL JAMES M (0001222111) 6
Tucker Brian L (0001629779) 8
Urban Scott D (0001416040) 11
VANGUARD GROUP INC (0000102909) 9
WEDGE ENERGY SERVICES LLC (0001101563) 13
WELLS FARGO INSTITUTIONAL TRUST CO 2
WEST FRANKLIN C (0001185176) 23
WHITE WILLIAM H (0001132020) 1
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