Bancfirst CORP /Ok/ (BANF) SEC Filings — 2026 1 SEC filing for Bancfirst CORP /Ok/ (BANF) in 2026. FilingsBancFirst Corp Files 2025 Annual Report — ARS · Apr 3, 2026 ExploreAll BANF Filings · BANF 2025 · All 2026 Filings