First Financial Bank, Cincinnati, announced the acquisition of Westfield Bank FSB and BankFinancial.

First Busey Corporation, holding company of First Busey Bank, Champaign, Illinois, completed its acquisition by merger of CrossFirst Bankshares Inc., holding company of CrossFirst Bank, Leawood, Kansas, effective March 1.

WesBanco Bank Inc., Wheeling, West Virginia, was approved to acquire Premier Bank, Youngstown, Ohio, on Feb. 12.

Northwest Bank, Warren, PA, is acquiring Jersey Shore State Bank & Luzerne Bank in an all-stock transaction.

Old National Bank, Evansville, is acquiring Bremer Bank, St. Paul, in a merger transaction valued at $1.4 billion.