The deal between Performance Trust and Banks Street Partners is the second combination this month of investment banks that cater to commercial banks.
Steans, a former LaSalle Bank chairman who also led the financial crisis recapitalization that saved Taylor Capital, died on Tuesday. He was 83.
The Illinois company will pay $46 million for a bank that is a fraction of its size.
Mark Sander, who has been with the company since 2011, succeeded Michael Schudder, who remains chairman and CEO.
A U.S. District judge in Scranton denied the student lender's motion to dismiss the suit.
Chicago Deferred Exchange, which helps clients defer tax hits from property sales, had about $1 billion in deposit flows this year.
The company has agreed to by $145 million for Bridgeview Bancorp.
Larry Helling will take over next spring as CEO of the $4.8 billion-asset QCR Holdings, when Douglas Hultquist retires.
The move allows the Michigan credit union to expand its operations in Illinois and southern Wisconsin.
Northern Oak Wealth Management is a registered investment adviser with $800 million in assets under management.