0001680048 2026-10-13 2026-10-13 0001680048 false 8-K 2026-10-13 Mustang Bio, Inc. DE 001-38191 47-3828760 95 Sawyer Road, Suite 110 Waltham MA 02453 781 652-4500 false false false false Common Stock, par value $0.0001 per share MBIO NASDAQ false