0001907108 2026-09-29 2026-09-29 0001907108 false 8-K 2026-09-29 Lexeo Therapeutics, Inc. DE 001-41855 85-4012572 345 Park Avenue South, Floor 6 New York NY 10010 212 547-9879 N/A false false false false Common Stock, $0.0001 par value per share LXEO NASDAQ true false