$MIDDLEFIELD BANC CORP(MBCN)$ 8-K - Current report Filed: 2017-01-13 AccNo: 0001193125-17-009324 Size: 37 KBItem 2.01: Completion of Acquisition or Disposition of AssetsItem 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements 网页链接