Business First Bancshares, Inc.

false 0001624322 0001624322 2026-09-09 2026-09-09 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): September 9, 2026 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number) (I.R.S. Employer Identification No.) 500 Laurel Street, Suite 101 Baton Rouge , Louisiana 70801 (Address of principal executive offices) (Zip code) Registrant’s telephone number, including area code: ( 225 ) 248-7600 Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Exchange Act: Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock , par value $1.00 per share BFST NASDAQ Global Select Market Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act ☐ 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. (b) On September 9, 2026, Business First Bancshares, Inc. (the “Business First”) and its wholly-owned subsidiary, b1BANK, were notified of the voluntary resignation of Philip Jordan, b1BANK’s Executive Vice President and Chief Banking Officer. Mr. Jordan’s resignation was not due to disagreement with Business First or b1BANK on any matter relating to Business First’s or b1BANK’s operations, policies, or practices. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. Dated: September 11, 2026 BUSINESS FIRST BANCSHARES, INC. By: /s/ David R. Melville, III David R. Melville, III President and Chief Executive Officer