Who is the owner of GCB Bank?

AMALGAMATED Bank 8 Atlanta National Bank 4 Bank of Tescott 24 Bank of Wrightsville 6 California International Bank, National Association 5 Chilton Trust Company, National Association 29 Citizens State Bank of Cheney, KS 7 Community Banker Bank 7 Douglas National Bank 4 Eagle Valley Bank 1 First National Bank of Le Center 2 First National Bank USA 1 Keen Bank, National Association 11 Malvern Bank 2 Miners Exchange Bank 2 Range Bank 6 RNB State Bank 12 Security Bank of Southwest Missouri 5 SECURITY National Association National Bank OF OMAHA 13 Select Bank 8