The company will pay $186 million for First Bank Lubbock in a deal that also includes mortgage unit PrimeWest Mortgage.
The company will pay $53 million in cash and stock for Signature Bank.
The parent of State Bank in New Hampton has agreed to buy the holding company for Peoples Trust & Savings Bank.
The Illinois company agreed to pay $44 million to buy Guaranty Bank, the biggest institution based in Cedar Rapids, Iowa.
