144 0001293789 XXXXXXXX LIVE 0001720893 BioXcel Therapeutics, Inc. 001-38410 555 LONG WHARF DRIVE NEW HAVEN CT 06511 203-643-8060 Steinhart Richard I Officer Common Merrill Lynch

500 Cummings Center Suite 1600 Beverly MA 01915

5000 135712.26 29159638 05/15/2023 NASDAQ Common 05/12/2023 Restricted Stock Units Richard Steinhart N 5000 05/15/2023 Cash N Richard Steinhart

555 Long Wharf Drive New Haven CT 06511

Common 03/15/2023 2084 40575.15 05/15/2023 06/23/2022 Richard Steinhart