0000760498 2026-09-21 2026-09-21 false 0000760498 8-K 2026-09-21 BancFirst Corporation OK 0-14384 73-1221379 100 N. Broadway Ave. Oklahoma City OK 73102-8405 405 270-1086 None false false false false Common Stock, $1.00 Par Value Per Share BANF NASDAQ false