0002114044 2026-05-08 2026-05-08 false 0002114044 8-K 2026-05-08 Hemab Therapeutics Holdings, Inc. DE 001-43250 41-4241952 101 Main Street Suite 1220 Cambridge MA 02142 (617) 553-3952 false false false false Common stock, $0.0001 par value per share COAG NASDAQ true false