Allegiant Bancorp, Inc. is a bank holding company that operates through its principal subsidiary, Allegiant Bank (the Bank). The Bank offers a range of banking and personal trust services to individuals, businesses and municipalities in the St. Louis, Missouri, metropolitan area. These services include commercial real estate, commercial business and consumer loans, checking, savings and time deposit accounts and wealth management and other fiduciary services, as well as other financial services, including mortgage banking, securities brokerage and insurance products. The Banks branch network consists of 38 locations and 59 automated teller machines (ATMs) throughout the St. Louis metropolitan area.