Form 4 Filing for Johnson Joseph Vernon at Business First Bancshares, Inc.

This filing details transactions by Johnson Joseph Vernon, a director at Business First Bancshares, Inc. On June 25, 2026, Mr. Vernon was granted 998 time-based restricted stock units (RSUs) under the company's 2024 Equity Incentive Plan. These RSUs will vest on June 25, 2027, and are economically equivalent to one share of common stock, subject to forfeiture under certain conditions. On June 26, 2026, Mr. Vernon acquired 1016 shares of common stock. Concurrently, he disposed of 1016 RSUs, which were awarded on June 26, 2025, and vested on the first anniversary of their issuance. Following these transactions, Mr. Vernon holds 184,073 shares of common stock and 998 unvested RSUs.