0001475841 2026-09-28 2026-09-28 0001475841 false 8-K 2026-09-28 NATIONAL BANK HOLDINGS CORPORATION DE 001-35654 27-0563799 7800 East Orchard Road Suite 300 Greenwood Village CO 80111 303 892-8715 false false false false Class A Common Stock, Par Value $0.01 NBHC NYSE false