Southeastern Trust is being sold to a group led by the unit's management team.
The planned purchase of Home BanCorp will nearly double the size of First Citizens' branch network in the Sunshine State.
The company has agreed to buy Kansas Bank Corp. and Adams Dairy Bancshares in separate transactions.
Amalgamated's purchase of New Resource Bank is part of a broader strategy to enter more U.S. markets.
Ken Veccione, who rejoined the Arizona company earlier this year, is set to succeed Sarver.
The company agreed to pay $18 million for Atlantic Bancshares in a deal that will increase its operations along South Carolina's coast.
The company will pay $186 million for First Bank Lubbock in a deal that also includes mortgage unit PrimeWest Mortgage.
The company will also gain branches in northern Alabama when it buys Tennessee Bancshares.
A group has filed an application for form a bank in Birmingham, a city with a large pool of bankers and a steadily growing economy.
John Kimberly, who was CEO of a bank that CAB bought in 2014, is set to take the helm on Jan. 1.
