FB Bancorp, Inc. operates as the bank holding company for Fidelity Bank, a Louisiana-chartered mutual savings bank. The bank primarily engages in accepting deposits from the general public and investing those deposits, along with funds generated from operations, in one- to four-family residential mortgage loans secured by properties located in its primary market areas. It also originates residential construction loans, commercial real estate loans, commercial loans, home equity loans and lines of credit, and consumer loans.