X0206 3/A 2018-03-07 2018-03-07 0 0001720893 BioXcel Therapeutics, Inc. BTAI 0001256126 MUELLER PETER C/O BIOXCEL THERAPEUTICS, INC. 555 LONG WHARF DRIVE NEW HAVEN CT 06511 1 0 0 0 Common Stock 209795 D This amendment is being filed to include 41,475 shares of common stock that were inadvertently omitted from the Reporting Person's original Form 3. /s/ Peter Mueller 2020-02-14