The Mercantile Bank was first established in 1880 in this building. Articles of Association were filed with Alexander A Lessueur, Missouri Secretary of State on January 29, 1891. According to the Deed of Record for Pike County, MO, The capital stock was $50,000.00 divided into shares of $100.00 each. Original majority stockholders were: W. G. Tinsley (170), A. Tinsley (60), T.L. Tinsley (40), A.J. McCune (50), W. N. Tinsley (40), John E. Shannon (12), John J. McCune (12), John A. Mackey (12), A. Pribe (12), M. Morris (10), J. W. Dreyfus (12), D. A. Ball (10), T.M. Rhea (24), Marcus Dreyfus (12), I. N. Jump (12), and G. R. Waddell (12).
The business of the Corporation was to be managed by a board of thirteen directors with the following being the Board of Directors for the first year: W.G. Tinsley, A. Tinsley, W.N. Tinsley, A.J. McCune, John A. Mackey, T.M. Rhea, J. E. Shannon, G. R. Waddell, I.N. Jump, M. Dreyfus, J.J. McCune, A. Pribe, and D.A. Ball.