X0206 3 2026-01-01 0 0001624322 Business First Bancshares, Inc. BFST 0002106698 Cummings George W. III 500 LAUREL STREET, SUITE 101 BATON ROUGE LA 70801 1 Common Stock 358775 D Common Stock 3911 I By Spouse Acquired in exchange for 54,704 shares of Progressive Bancorp, Inc. ("Progressive") in connection with the merger of Progressive with and into the issuer (the "Merger"). At the effective time of the Merger, each share of Progressive common stock was converted into the right to receive 6.63 shares of the issuer's common stock, plus cash, without interest, in lieu of any fractional shares. Includes 223,669 pledged shares of common stock of the issuer. Exhibit List: Exhibit 24, Power of Attorney /s/ Heather G. Roemer, as Attorney-in-Fact for George W. Cummings III 2026-01-21