The company agreed to aquire United Bancorp. for $51 million.
Old National will have the fifth-biggest deposit market share in the city when it completes the $434 million acquisition.
First Western in Colorado and Coastal Financial in Washington are the latest banks to disclose plans to go public.
The company will pay $48 million for four branches and $230 million in loans.
Ruoff Financial will make its first push into banking with the purchase of SBB Bancshares.
The Connecticut company will have nearly $48 billion in assets after it buys First Connecticut Bancorp.
The deal for the Denver commercial lender joins a growing list of large acquisitions being announced in competitive urban markets.
C.G. Kum, who has been the Los Angeles company's CEO the past five years, plans to retire in May.
Bank of America is in expansion mode and wants to add 10,000 retail and other workers who better reflect the communities it serves.
Cadence first discussed a deal with the Atlanta target four years ago. But negotiations picked up steam once it was clear State Bank had other suitors.
