David E. Rainbolt Sells 24,819 BancFirst Shares Through Foundation

This Form 4 filing reports that David E. Rainbolt, a director and 10% owner of BancFirst Corp, sold 24,819 shares of common stock through the David and Kim Rainbolt Foundation. The transactions occurred on April 27-28, 2026, with 205 shares sold at $115.01 per share and 24,614 shares sold at $115.5525 per share. Following the sales, Rainbolt still holds significant direct and indirect ownership positions totaling approximately 4.8 million shares across various trusts and entities. The shares were held indirectly in the foundation and sold through normal market transactions. Rainbolt maintains substantial ownership in BancFirst through multiple trusts including the David E. Rainbolt Trust, BF Bank Partners LP (where he serves as General Partner), and other direct holdings.