0001420565 2026-07-20 2026-07-20 NASDAQ false 0001420565 8-K 2026-07-20 REIN THERAPEUTICS, INC. DE 001-38130 13-4196017 12407 N. Mopac Expy. Suite 250 #390 Austin TX 78758 (737) 802-1989 false false false false Common stock: Par value $.001 RNTX false