Edmond, Okla.-based F&M Bank is expanding in the central and northwest part of the state by acquiring Community National Bank of Okarche..The transaction is expected to close in the fourth quarter of this year. Financial terms of the deal have not been released.Founded in 1902, the family-owned, $758 million F&M Bank also has branches in Crescent, Guthrie, Kingfisher, Piedmont and Yukon, along with a loan production office in Oklahoma City. Established in 1984, the $128 million Community National Bank of Okarche also has a branch in Fairview, Okla.Community National Bank of Okarche Chris Walta and other leaders at the bank — David Craig, Doug Wittrock and Glenda Hill — will remain with the combined company after closing.F&M was advised by Great Falls, Mont.-based D.A. Davidson & Co. and Oklahoma City-based Paul Foster Law Offices. CNBO was advised by Chicago-based Performance Trust Capital Partners and Oklahoma City-based law firm McAfee & Taft.