0000921299 2026-09-30 2026-09-30 false 0000921299 8-K 2026-09-30 KYNTRA BIO, INC. DE 001-36740 77-0357827 350 Bay Street Suite 100 #6009 San Francisco CA 94133 415 978-1200 false false false false Common Stock, $0.01 par value KYNB NASDAQ false