Company · CIK 1349436 # SANDRIDGE ENERGY INC | CIK | [1349436](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001349436) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 1311 — Crude Petroleum & Natural Gas | | Incorporated in | DE | | Business address | OK | | Listed | SD (NYSE) | | First annual or quarterly report | 2007-12-03 | ## Offerings 19 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-289202 | Shelf Effective | 2025-08-04 | 2025-08-26 | 3 | | 333-266522 | Shelf Effective | 2022-08-04 | 2022-08-17 | 2 | | 333-184561-01 | Shelf Effective | 2012-10-24 | 2021-03-18 | 3 | | 333-232769 | Shelf Effective | 2019-07-23 | 2019-08-01 | 2 | | 333-217348 | Shelf Effective | 2017-04-18 | 2018-03-19 | 2 | | 333-184562-01 | Shelf Effective | 2012-10-24 | 2012-10-24 | 1 | | 333-178894-01 | Shelf Final prospectus | 2012-01-05 | 2012-04-18 | 3 | | 333-180781 | Shelf Effective | 2012-04-18 | 2012-04-18 | 1 | | 333-174492-01 | Shelf Final prospectus | 2011-05-25 | 2011-08-12 | 3 | | 333-171551-01 | Shelf Final prospectus | 2011-01-05 | 2011-04-07 | 3 | | 333-173153 | Shelf Withdrawn | 2011-03-30 | 2011-03-30 | 2 | | 333-173185 | Shelf Effective | 2011-03-30 | 2011-03-30 | 1 | | 333-158554 | Shelf Final prospectus | 2009-04-13 | 2009-04-24 | 2 | | 333-158556 | Shelf Final prospectus | 2009-04-13 | 2009-04-24 | 2 | | 333-148956 | Registered company Effective | 2008-01-30 | 2008-02-13 | 2 | | 333-145386 | IPO Final prospectus | 2007-08-13 | 2008-01-07 | 6 | | 333-144004 | IPO Final prospectus | 2007-06-22 | 2007-11-06 | 7 | | 333-131754 | First-time registration Withdrawn | 2006-02-10 | 2007-05-17 | 2 | | 333-131002 | First-time registration Withdrawn | 2006-01-12 | 2006-11-15 | 3 | ## Filings 57 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2025-08-26 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1349436/999999999525002744/9999999995-25-002744-index.htm) Declared effective | 333-289202 | 9999999995-25-002744 | | 2025-08-14 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1349436/999999999525002616/9999999995-25-002616-index.htm) Declared effective | 333-289202 | 9999999995-25-002616 | | 2025-08-04 | [S-3](https://www.sec.gov/Archives/edgar/data/1349436/000121390025070828/0001213900-25-070828-index.htm) Shelf registered | 333-289202 | 0001213900-25-070828 | | 2022-08-17 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1349436/999999999522002414/9999999995-22-002414-index.htm) Declared effective | 333-266522 | 9999999995-22-002414 | | 2022-08-04 | [S-3](https://www.sec.gov/Archives/edgar/data/1349436/000119312522212507/0001193125-22-212507-index.htm) Shelf registered | 333-266522 | 0001193125-22-212507 | | 2021-03-18 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1349436/999999999521000989/9999999995-21-000989-index.htm) Declared effective | 333-184561-01 | 9999999995-21-000989 | | 2019-08-01 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1349436/999999999519001790/9999999995-19-001790-index.htm) Declared effective | 333-232769 | 9999999995-19-001790 | | 2019-07-23 | [S-3](https://www.sec.gov/Archives/edgar/data/1349436/000119312519200036/0001193125-19-200036-index.htm) Shelf registered | 333-232769 | 0001193125-19-200036 | | 2018-03-19 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1349436/999999999518000627/9999999995-18-000627-index.htm) Declared effective | 333-217348 | 9999999995-18-000627 | | 2018-01-03 | [RW](https://www.sec.gov/Archives/edgar/data/1349436/000119312518001702/0001193125-18-001702-index.htm) Withdrawn | 333-221973 | 0001193125-18-001702 | | 2017-04-18 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1349436/000119312517126395/0001193125-17-126395-index.htm) Shelf registered | 333-217348 | 0001193125-17-126395 | | 2012-11-06 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1349436/999999999512003172/9999999995-12-003172-index.htm) Declared effective | 333-184561-01 | 9999999995-12-003172 | | 2012-10-24 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1349436/000104746912009684/0001047469-12-009684-index.htm) Shelf registered | 333-184562-01 | 0001047469-12-009684 | | 2012-10-24 | [S-3](https://www.sec.gov/Archives/edgar/data/1349436/000104746912009683/0001047469-12-009683-index.htm) Shelf registered | 333-184561-01 | 0001047469-12-009683 | | 2012-10-10 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1349436/999999999512002954/9999999995-12-002954-index.htm) Declared effective | 333-184172 | 9999999995-12-002954 | | 2012-10-10 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1349436/999999999512002953/9999999995-12-002953-index.htm) Declared effective | 333-184171 | 9999999995-12-002953 | | 2012-04-18 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1349436/000119312512167430/0001193125-12-167430-index.htm) Shelf registered | 333-180781 | 0001193125-12-167430 | | 2012-04-18 | [424B1](https://www.sec.gov/Archives/edgar/data/1349436/000104746912004438/0001047469-12-004438-index.htm) Final prospectus | 333-178894-01 | 0001047469-12-004438 | | 2012-04-17 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1349436/999999999512001075/9999999995-12-001075-index.htm) Declared effective | 333-178894-01 | 9999999995-12-001075 | | 2012-01-05 | [S-3](https://www.sec.gov/Archives/edgar/data/1349436/000104746912000036/0001047469-12-000036-index.htm) Shelf registered | 333-178894-01 | 0001047469-12-000036 | | 2011-10-14 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1349436/999999999511002959/9999999995-11-002959-index.htm) Declared effective | 333-177003 | 9999999995-11-002959 | | 2011-08-12 | [424B1](https://www.sec.gov/Archives/edgar/data/1349436/000104746911007294/0001047469-11-007294-index.htm) Final prospectus | 333-174492-01 | 0001047469-11-007294 | | 2011-08-10 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1349436/999999999511002439/9999999995-11-002439-index.htm) Declared effective | 333-174492-01 | 9999999995-11-002439 | | 2011-05-25 | [S-3](https://www.sec.gov/Archives/edgar/data/1349436/000104746911005513/0001047469-11-005513-index.htm) Shelf registered | 333-174492-01 | 0001047469-11-005513 | | 2011-04-07 | [424B4](https://www.sec.gov/Archives/edgar/data/1349436/000119312511091273/0001193125-11-091273-index.htm) Final prospectus | 333-171551-01 | 0001193125-11-091273 | | 2011-04-05 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1349436/999999999511000888/9999999995-11-000888-index.htm) Declared effective | 333-171551-01 | 9999999995-11-000888 | | 2011-03-30 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1349436/000119312511083098/0001193125-11-083098-index.htm) Shelf registered | 333-173185 | 0001193125-11-083098 | | 2011-03-30 | [RW](https://www.sec.gov/Archives/edgar/data/1349436/000119312511083087/0001193125-11-083087-index.htm) Withdrawn | 333-173153 | 0001193125-11-083087 | | 2011-03-30 | [S-3](https://www.sec.gov/Archives/edgar/data/1349436/000119312511081518/0001193125-11-081518-index.htm) Shelf registered | 333-173153 | 0001193125-11-081518 | | 2011-01-05 | [S-3](https://www.sec.gov/Archives/edgar/data/1349436/000119312511002142/0001193125-11-002142-index.htm) Shelf registered | 333-171551-01 | 0001193125-11-002142 | | 2010-09-24 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1349436/999999999510002774/9999999995-10-002774-index.htm) Declared effective | 333-169465 | 9999999995-10-002774 | | 2010-05-05 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1349436/999999999510001390/9999999995-10-001390-index.htm) Declared effective | 333-166141 | 9999999995-10-001390 | | 2009-04-24 | [424B4](https://www.sec.gov/Archives/edgar/data/1349436/000095012909001317/0000950129-09-001317-index.htm) Final prospectus | 333-158554 | 0000950129-09-001317 | | 2009-04-24 | [424B4](https://www.sec.gov/Archives/edgar/data/1349436/000095012909001316/0000950129-09-001316-index.htm) Final prospectus | 333-158556 | 0000950129-09-001316 | | 2009-04-13 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1349436/000095012909001203/0000950129-09-001203-index.htm) Shelf registered | 333-158556 | 0000950129-09-001203 | | 2009-04-13 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1349436/000095012909001202/0000950129-09-001202-index.htm) Shelf registered | 333-158554 | 0000950129-09-001202 | | 2008-09-16 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1349436/999999999508002831/9999999995-08-002831-index.htm) Declared effective | 333-151899 | 9999999995-08-002831 | | 2008-02-13 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1349436/999999999508000546/9999999995-08-000546-index.htm) Declared effective | 333-148956 | 9999999995-08-000546 | | 2008-01-30 | [S-1](https://www.sec.gov/Archives/edgar/data/1349436/000095012908000395/0000950129-08-000395-index.htm) Registration filed | 333-148956 | 0000950129-08-000395 | | 2008-01-07 | [424B1](https://www.sec.gov/Archives/edgar/data/1349436/000095013408000159/0000950134-08-000159-index.htm) Final prospectus | 333-145386 | 0000950134-08-000159 | | 2008-01-04 | [424B1](https://www.sec.gov/Archives/edgar/data/1349436/000095012908000076/0000950129-08-000076-index.htm) Final prospectus | 333-145386 | 0000950129-08-000076 | | 2007-12-21 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1349436/999999999507005051/9999999995-07-005051-index.htm) Declared effective | 333-145386 | 9999999995-07-005051 | | 2007-12-18 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1349436/000095013407025588/0000950134-07-025588-index.htm) Amendment | 333-145386 | 0000950134-07-025588 | | 2007-12-05 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1349436/000095012907005963/0000950129-07-005963-index.htm) Amendment | 333-145386 | 0000950129-07-005963 | | 2007-11-06 | [424B1](https://www.sec.gov/Archives/edgar/data/1349436/000095012907005376/0000950129-07-005376-index.htm) Final prospectus | 333-144004 | 0000950129-07-005376 | | 2007-11-05 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1349436/999999999507004348/9999999995-07-004348-index.htm) Declared effective | 333-144004 | 9999999995-07-004348 | | 2007-10-23 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1349436/000095012907005016/0000950129-07-005016-index.htm) Amendment | 333-144004 | 0000950129-07-005016 | | 2007-10-04 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1349436/000095013407020852/0000950134-07-020852-index.htm) Amendment | 333-144004 | 0000950134-07-020852 | | 2007-09-04 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1349436/000095012907004439/0000950129-07-004439-index.htm) Amendment | 333-144004 | 0000950129-07-004439 | | 2007-08-13 | [S-1](https://www.sec.gov/Archives/edgar/data/1349436/000095012907003999/0000950129-07-003999-index.htm) Registration filed | 333-145386 | 0000950129-07-003999 | | 2007-08-03 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1349436/000095012907003760/0000950129-07-003760-index.htm) Amendment | 333-144004 | 0000950129-07-003760 | | 2007-06-22 | [S-1](https://www.sec.gov/Archives/edgar/data/1349436/000095013407013911/0000950134-07-013911-index.htm) Registration filed | 333-144004 | 0000950134-07-013911 | | 2007-05-17 | [RW](https://www.sec.gov/Archives/edgar/data/1349436/000095012907002636/0000950129-07-002636-index.htm) Withdrawn | 333-131754 | 0000950129-07-002636 | | 2006-11-15 | [RW](https://www.sec.gov/Archives/edgar/data/1349436/000095012906009706/0000950129-06-009706-index.htm) Withdrawn | 333-131002 | 0000950129-06-009706 | | 2006-02-10 | [S-1](https://www.sec.gov/Archives/edgar/data/1349436/000095012906001300/0000950129-06-001300-index.htm) Registration filed | 333-131754 | 0000950129-06-001300 | | 2006-01-25 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1349436/000095012906000616/0000950129-06-000616-index.htm) Amendment | 333-131002 | 0000950129-06-000616 | | 2006-01-12 | [S-1](https://www.sec.gov/Archives/edgar/data/1349436/000095012906000237/0000950129-06-000237-index.htm) Registration filed | 333-131002 | 0000950129-06-000237 | [All filings of this company](https://equitycapital.markets/filings?cik=1349436) · [CSV](https://equitycapital.markets/filings.csv?cik=1349436) --- Source page: https://equitycapital.markets/company/1349436 · Data: U.S. SEC EDGAR · CC BY 4.0