SANDRIDGE ENERGY INC  [ SD ]  [ IPO: 2,016 ]


123 ROBERT S. KERR AVENUE
OKLAHOMA CITY,  OK,
  USA
405-429-5500
Filing DateCurrent and former namesChanged on date
2007-04-09
SANDRIDGE ENERGY INC
2007-04-09
RIATA ENERGY INC
2006-01-11
Central Index Key (CIK)
0001349436
State of Incorporation
DE
Country of Incorporation
USA
Fiscal year end
1231
Std. Industrial Class.
1311 CRUDE PETROLEUM & NATURAL GAS

Ownership (Form 3,4,5)# Filings
1109519 ONTARIO LTD (0001275993) 14
810679 ONTARIO LTD (0001275986) 14
ACOF Management II LP (0001372044) 3
ACOF Operating Manager II LP (0001371907) 3
ARES MANAGEMENT LLC (0001259313) 3
ARES PARTNERS MANAGEMENT CO LLC (0001259042) 3
Adelman David J (0001438262) 1
Ares Corporate Opportunities Fund II LP (0001371903) 3
BARNES SYLVIA K (0001708180) 2
BEASLEY STEPHEN C (0001326433) 4
BENNETT MICHAEL L (0001230225) 4
Bennett James Donald (0001443840) 51
Berwyn Funding LLC (0001692097) 1
Blackstone / GSO Long-Short Credit Income Fund (0001504234) 1
Blackstone / GSO Strategic Credit Fund (0001546429) 1
Blackstone Group LP (0001393818) 1
Blackstone Group Management LLC (0001404071) 1
Blackstone Holdings I LP (0001464694) 1
Blackstone Holdings I/II GP Inc (0001464695) 1
Bott Julian Mark (0001552149) 7
Brewer Jim Jones Jr (0001514233) 11
Bryn Mawr Funding LLC (0001693214) 1
Burholme Funding LLC (0001686238) 1
CHANG WAYNE (0001453840) 67
CLEARWATER INSURANCE CO (0001243944) 1
COMMONWEALTH INSURANCE CO (0001276011) 4
COOLEY RANDALL D (0001416061) 57
Chedraoui Tony (0001482897) 4
Clement Kevin (0001534068) 3
Cooley Randall D (0001416061) 16
Coshow Larry K (0001416069) 2
DOBSON EVERETT R (0001104376) 15
Dynamic Offshore Holding GP LLC (0001539691) 2
Dynamic Offshore Holding LP (0001539692) 2
FAIRFAX FINANCIAL HOLDINGS LTD/ CAN (0000915191) 18
FAIRFAX INC (0001275996) 4
FB Income Advisor LLC (0001466134) 1
FS Energy & Power Fund (0001501729) 1
FS Investment Advisor LLC (0001501807) 1
FS Investment CORP (0001422183) 1
FS Investment Corp II (0001525759) 1
FS Investment Corp III (0001579412) 1
FSIC II Advisor LLC (0001540855) 1
FSIC III Advisor LLC (0001623335) 1
Falcon Insurance Co Hong Kong Ltd (0001452298) 3
Federated Insurance CO of Canada (0001432008) 4
Forman Michael C (0001438253) 1
GENOVA JOHN V (0001276894) 3
GILLILAND BILL A (0001033275) 4
GILLILAND WILLIAM A (0001033275) 10
GRIFFIN ROBERT SCOTT (0001592693) 10
GRUBB MATTHEW K (0001416068) 25
GSO / Blackstone Debt Funds Management LLC (0001466125) 1
GSO Advisor Holdings LLC (0001464624) 1
GSO CAPITAL PARTNERS LP (0001362495) 3
GSO LLC (0001394687) 2
Gilliland William A (0001033275) 7
Gognat Richard (0001437269) 3
Gognat Richard J (0001437269) 7
Goodman Bennett J (0001394691) 3
Grubb Matthew K (0001416068) 15
Grubert Duane M (0001595441) 14
HIGH RIVER LIMITED PARTNERSHIP (0000928464) 2
ICAHN CARL C (0000921669) 2
ICAHN PARTNERS LP (0001313666) 2
ICAHN PARTNERS MASTER FUND LP (0001322827) 2
JOHNSON MICHAEL A (0001167593) 2
JOHNSON RODNEY E (0001416066) 28
JORDAN DANIEL (0001416294) 15
Johnson Rodney E (0001416066) 16
Jordan Daniel (0001416294) 19
KORNDER DAVID J (0001234633) 4
Klehr Zachary (0001568002) 1
LAWLER DAVID C (0001397264) 7
LEBLANC EDDIE M III (0001223894) 9
LOMBARD GENERAL INSURANCE CO OF CANADA (0001276008) 4
Lawler David C (0001397264) 17
MARKEL INSURANCE CO OF CANADA (0001276007) 3
MONEYPENNY EDWARD W (0001085729) 4
Mitchell Noah Malone III (0001398377) 5
NORTH RIVER INSURANCE CO (0001276001) 5
Northbridge Commercial Insurance Corp (0001276007) 1
Northbridge General Insurance Corp (0001276008) 1
Northbridge Indemnity Insurance Corp (0001276011) 1
ODYSSEY AMERICA REINSURANCE CORP (0001243947) 9
ODYSSEY REINSURANCE CO (0001243947) 5
OLIVER ROY T JR (0001051901) 20
Ostrover Douglas I (0001394688) 2
R/C Dynamic Holdings LP (0001539632) 2
R/C Energy GP IV LLC (0001534523) 1
Ray Stuart W (0001421700) 7
Riverstone/Carlyle Energy Partners IV LP (0001534496) 1
SCHWARZMAN STEPHEN A (0001070844) 1
SCOTT D DWIGHT (0001174718) 14
SIXTY TWO INVESTMENT CO LTD (0001217251) 14
STICE J MICHAEL (0001497306) 2
SUTER JOHN PATRICK (0001691210) 5
Serota Jeffrey (0001394808) 25
Smith J Albert III (0001394690) 3
Stahlecker Gerald (0001438254) 1
THOMPSON V BRUCE (0001010573) 3
TIG INSURANCE CO (0001276413) 5
TIPTON TODD N (0001416067) 34
Tipton Todd N (0001416067) 18
Turk Steven Darrell (0001635880) 5
Tyrus Capital SAM (0001543065) 4
UNITED STATES FIRE INSURANCE CO (0000101618) 7
VAN DOREN DIRK M (0001416070) 3
Van Doren Dirk M (0001416070) 18
WARD TOM L (0001038276) 28
WARMAN PHILIP T (0001498144) 55
WATSA V PREM ET AL (0000938869) 14
WEBER ALAN J (0001198093) 4
WHITE KEVIN R (0001341654) 30
WHITSON MARY L (0001416065) 32
WINTON THOMAS L (0001416064) 16
Ward Tom L (0001038276) 39
Westbrook Dan Allen (0001416334) 4
White Kevin R (0001341654) 13
Whitson Mary L (0001416065) 17
William Marvin Griffin Jr (0001685244) 3
Winton Thomas L (0001416064) 17
Zenith Insurance Co (0001499301) 3
Form D Related Persons# Filings
Alan J Weber (0001198093) 2
D Dwight Scott (0001174718) 4
Dan A Westbrook 2
Daniel W Jordan 5
Daniel W Jordon 3
David C Lawler (0001397264) 1
Dirk M Van Doren (0001416070) 4
Duane M Grubert (0001595441) 2
Edward W Moneypenny (0001085729) 2
Everett R Dobson (0001104376) 10
J Michael Stice (0001497306) 2
James D Bennett 6
Jeffrey S Serota 10
Jim J Brewer 6
Julian Bott 2
Kevin C Clement 2
Kevin R White (0001341654) 8
Lon L Winton 2
Mary L Whitson (0001416065) 5
Mary R Whitson 3
Matthew K Grubb (0001416068) 5
Philip T Warman (0001498144) 2
R Scott Griffin 2
Randall D Cooley (0001416061) 10
Richard J Gognat (0001437269) 3
Rodney E Johnson (0001416066) 5
Roy T Oliver 8
Stephen C Beasley (0001326433) 2
Steven D Turk 2
Thomas L Winton (0001416064) 3
Todd N Tipton (0001416067) 8
Tom L Ward (0001038276) 8
Warman T Philip (0001498144) 5
Wayne C Chang 8
William A Gilliland (0001033275) 8
All related persons/companies# Filings
1109519 ONTARIO LTD (0001275993) 14
810679 ONTARIO LTD (0001275986) 14
ACOF Management II, L.P. (0001372044) 3
ACOF Operating Manager II, L.P. (0001371907) 3
ALLIANCE CAPITAL MANAGEMENT L P 2
ALLIANCEBERNSTEIN L.P. (0001109448) 2
ARENA RESOURCES INC (0001123871) 18
ARES MANAGEMENT LLC (0001259313) 3
ARES PARTNERS MANAGEMENT CO LLC (0001259042) 3
Adelman David J. (0001438262) 1
Amalgamated Gadget, L.P. (0001114634) 2
Apollo Management Holdings GP, LLC (0001449433) 3
Ares Corporate Opportunities Fund II, L.P. (0001371903) 5
BARNES SYLVIA K. (0001708180) 2
BEASLEY STEPHEN C (0001326433) 4
BENNETT MICHAEL L (0001230225) 4
Bandon Oil & Gas GP, LLC (0001547087) 8
Bandon Oil & Gas, LP (0001547088) 8
Benefit Street Partners LLC (0001543160) 2
Bennett James Donald (0001443840) 51
Berwyn Funding LLC (0001692097) 1
BlackRock Inc. (0001364742) 4
Blackstone / GSO Dynamic Credit Income Fund 1
Blackstone / GSO Long-Short Credit Income Fund (0001504234) 1
Blackstone / GSO Strategic Credit Fund (0001546429) 1
Blackstone Group L.P. (0001393818) 1
Blackstone Group Management L.L.C. (0001404071) 1
Blackstone Holdings I L.P. (0001464694) 1
Blackstone Holdings I/II GP Inc (0001464695) 1
Bonanza Creek Energy, Inc. (0001509589) 13
Bott Julian Mark (0001552149) 7
Brewer Jim Jones Jr (0001514233) 11
Bryn Mawr Funding LLC (0001693214) 1
Burholme Funding LLC (0001686238) 1
CEBA Gathering, LLC (0001651841) 3
CHANG WAYNE (0001453840) 67
CLEARWATER INSURANCE CO (0001243944) 1
COMMONWEALTH INSURANCE CO (0001276011) 5
COOPERMAN LEON G (0000898382) 4
Chedraoui Tony (0001482897) 4
Clement Kevin (0001534068) 3
Cooley Randall D (0001416061) 73
Coshow Larry K (0001416069) 2
DBH, LLC (0001547089) 8
DOBSON EVERETT R (0001104376) 15
Dynamic Offshore Holding GP, LLC (0001539691) 2
Dynamic Offshore Holding, LP (0001539692) 4
Dynamic Offshore Resources NS Acquisition, Inc. (0001547083) 8
Dynamic Offshore Resources NS Parent, Inc. (0001547090) 8
Dynamic Offshore Resources NS, LLC (0001547085) 8
Dynamic Offshore Resources, LLC (0001547086) 8
EIG Pecos Midstream, LLC (0001686811) 2
FAIRFAX FINANCIAL HOLDINGS LTD 26
FAIRFAX FINANCIAL HOLDINGS LTD/ CAN (0000915191) 26
FAIRFAX INC (0001275996) 4
FB Income Advisor, LLC (0001466134) 1
FIR TREE CAPITAL MANAGEMENT LP (0001056491) 1
FIR TREE INC. (0001056491) 4
FMR CORP 3
FMR LLC (0000315066) 3
FRANKLIN RESOURCES INC (0000038777) 6
FS Energy & Power Fund (0001501729) 1
FS Investment Advisor, LLC (0001501807) 1
FS Investment CORP (0001422183) 1
FS Investment Corp II (0001525759) 1
FS Investment Corp III (0001579412) 1
FSIC II Advisor, LLC (0001540855) 1
FSIC III Advisor, LLC (0001623335) 1
Falcon Insurance Co (Hong Kong) Ltd (0001452298) 3
Federated Insurance CO of Canada (0001432008) 4
Forman Michael C. (0001438253) 1
Franklin Square Investment CORP 1
GENOVA JOHN V (0001276894) 3
GILLILAND BILL A (0001033275) 21
GILLILAND WILLIAM A. (0001033275) 10
GOLDMAN SACHS ASSET MANAGEMENT LP (0001229262) 2
GRIFFIN ROBERT SCOTT (0001592693) 10
GSO / Blackstone Debt Funds Management LLC (0001466125) 1
GSO Advisor Holdings L.L.C. (0001464624) 1
GSO CAPITAL PARTNERS LP (0001362495) 5
GSO LLC (0001394687) 2
GSO/Blackstone Debt Funds Management LLC 1
GUGGENHEIM CAPITAL LLC (0001283072) 3
Gilliland William A. (0001033275) 7
Gognat Richard (0001437269) 10
Gognat Richard J. (0001437269) 7
Goodman Bennett J (0001394691) 3
Grubb Matthew K (0001416068) 40
Grubert Duane M (0001595441) 14
HIGH RIVER LIMITED PARTNERSHIP (0000928464) 2
ICAHN CARL C (0000921669) 17
ICAHN CARL C ET AL 17
ICAHN PARTNERS LP (0001313666) 2
Icahn Partners L P (0001313666) 2
Icahn Partners Master Fund LP (0001322827) 2
Integra Energy, L.L.C. (0001438106) 33
JANUS CAPITAL CORP 2
JANUS CAPITAL GROUP INC 2
JANUS CAPITAL MANAGEMENT LLC (0000812295) 2
JOHNSON MICHAEL A (0001167593) 2
Johnson Rodney E (0001416066) 44
Jordan Daniel (0001416294) 35
KAISER GEORGE B (0001163432) 1
KORNDER DAVID J (0001234633) 4
Klehr Zachary (0001568002) 1
LEBLANC EDDIE M III (0001223894) 9
LOMBARD GENERAL INSURANCE CO OF CANADA (0001276008) 5
LONE PINE CAPITAL LLC (0001061165) 2
Lariat Services, Inc. (0001438107) 33
Lawler David C (0001397264) 24
MARKEL INSURANCE CO OF CANADA (0001276007) 4
MONEYPENNY EDWARD W (0001085729) 4
MTP Energy Fund Ltd (0001574381) 3
MTP Energy Management LLC (0001520339) 2
Mitchell Noah Malone III (0001398377) 9
Mount Kellett Capital Management LP (0001479058) 7
NEW YORK STOCK EXCHANGE INC 2
NEW YORK STOCK EXCHANGE LLC (0000876661) 2
NORTH RIVER INSURANCE CO (0001276001) 5
New BlackRock, Inc. 4
Northbridge Commercial Insurance Corp (0001276007) 1
Northbridge General Insurance Corp (0001276008) 1
Northbridge Indemnity Insurance Corp (0001276011) 1
ODYSSEY AMERICA REINSURANCE CORP (0001243947) 14
ODYSSEY REINSURANCE CO (0001243947) 5
ODYSSEY REINSURANCE CORP 1
OLIVER ROY T JR (0001051901) 20
Ostrover Douglas I (0001394688) 2
Owl Creek Asset Management, L.P. (0001313756) 2
R/C Dynamic Holdings, L.P. (0001539632) 4
R/C Energy GP IV, LLC (0001534523) 1
RIATA ENERGY INC (0001349436) 1,647
Ray Stuart W. (0001421700) 7
Riverstone/Carlyle Energy Partners IV, L.P. (0001534496) 2
Riverstone/Carlyle Global Energy & Power Fund IV (FT), L.P. (0001547941) 2
SCHWARZMAN STEPHEN A (0001070844) 1
SCOTT D DWIGHT (0001174718) 14
SIXTY TWO INVESTMENT CO LTD (0001217251) 14
SPN Resources, LLC (0001395738) 8
STICE J MICHAEL (0001497306) 2
SUSQUEHANNA ADVISORS GROUP, INC. (0001444949) 3
SUTER JOHN PATRICK (0001691210) 5
SandRidge Exploration & Production, LLC (0001438105) 33
SandRidge Holdings, Inc. (0001438100) 33
SandRidge Midstream, Inc. (0001438103) 33
SandRidge Mississippian Trust I (0001509228) 25
SandRidge Mississippian Trust II (0001538267) 19
SandRidge Offshore, LLC (0001438102) 24
SandRidge Onshore, LLC (0001438108) 24
SandRidge Operating CO (0001438096) 33
SandRidge Permian Trust (0001521168) 19
SandRidge Tertiary, LLC (0001438104) 17
Serota Jeffrey (0001394808) 25
Smith J Albert III (0001394690) 3
Solus Alternative Asset Management LP (0001407737) 2
Stahlecker Gerald (0001438254) 1
THOMPSON V BRUCE (0001010573) 3
THORNBURG INVESTMENT MANAGEMENT INC (0001145020) 2
TIG INSURANCE CO (0001276413) 5
TPG-AXON Management LP (0001508755) 40
Tipton Todd N (0001416067) 52
Turk Steven Darrell (0001635880) 5
Tyrus Capital S.A.M. (0001543065) 8
UNITED STATES FIRE INSURANCE CO (0000101618) 7
VANGUARD GROUP INC (0000102909) 3
Van Doren Dirk M (0001416070) 21
WARD TOM L (0001038276) 67
WARD TOM L. (0001038276) 2
WARMAN PHILIP T (0001498144) 55
WATSA V PREM ET AL (0000938869) 14
WEBER ALAN J (0001198093) 4
WHITEBOX ADVISORS LLC (0001257391) 2
Ward Tom L. (0001038276) 7
Westbrook Dan Allen (0001416334) 4
White Kevin R (0001341654) 43
Whitson Mary L (0001416065) 49
William Marvin Griffin, Jr. (0001685244) 3
Winton Thomas L (0001416064) 33
Zenith Insurance Co (0001499301) 3
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