Sandridge Energy, Inc.
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An independent oil and natural gas company, SandRidge Energy explores for and produces fuel from onshore fields in the U.S. Mid-Continent, mainly in Oklahoma, Kansas, and Texas, targeting the Cherokee play. Founder Tom Ward, who earlier co-founded Chesapeake Energy, bought into Riata Energy in 2006 and renamed it SandRidge, a name echoing the Old English words for "sandy ridge" and the terrain where it drills.
Corporate note
No tracked superinvestor held this security as stock in this period — only the derivative positions below reference it.