Qatar Investment Authority Increases Stake in BioXcel Therapeutics, Inc.

Qatar Investment Authority (QIA), through its wholly-owned subsidiary Q Boost Holding LLC, has increased its beneficial ownership of BioXcel Therapeutics, Inc. common stock. As of December 31, 2025, QIA holds 156,066 shares, representing 0.6% of the outstanding shares. This filing, an amendment to a previous Schedule 13G, indicates that the shares were acquired through a cashless exercise of a warrant and a 1-for-16 reverse stock split. QIA certifies that these shares were not acquired for the purpose of influencing the control of BioXcel Therapeutics, Inc.