The acquisition will help Carolina Trust expand its operations around Charlotte.
The Israeli-owned company, which spent the last half-decade addressing stagnation, is open to acquisitions or going public.
Charter One wanted to sell itself quickly because it feared valuations had peaked, and CenterState was able to beat other potential suitors to the punch.
Park Financial has agreed to buy shares from one of the founders of Mesaba Bancshares.
The company will gain 10 branches and $145 million in loans after it buys Gideon Bancshares.
The company, which has completed eight acquisitions since 2015, agreed to buy City Bank and Trust in Oklahoma.
An affiliate of MatlinPatterson will reduce its ownership to 48% from more than 60% after selling 8 million shares.
Donegal Group and Donegal Mutual Insurance are selling the holding company for Union Community Bank in Lancaster County.
Seacoast's deposits in the central Florida city will increase by 49% after it completes the $133 million acquisition.
The company will pay $114 million to gain 10 branches and $482 million in assets.