Inhibrx Biosciences, Inc.

We are a clinical-stage biopharmaceutical company with a pipeline of novel biologic therapeutic candidates, developed using our proprietary modular protein engineering platforms. We leverage our innovative protein engineering technologies and deep understanding of target biology to create therapeutic candidates with attributes and mechanisms we believe to be superior to current approaches and applicable to a range of challenging, validated targets with high potential. Recent Developments Separation from Former Parent On May 29, 2024, Inhibrx, Inc., or the Former Parent, effected the spin-off of INBRX-101, an optimized, recombinant alpha-1 antitrypsin, or AAT, augmentation therapy in a registrational trial for the treatment of patients with alpha-1 antitrypsin deficiency, upon which the Former Parent completed a distribution to holders of its shares of common stock of 92% of the issued and outstanding shares of our common stock, or the Distribution. On May 30, 2024, the Former Parent completed a series of internal restructuring transactions, or the Separation. On May 30, 2024, the Former Parent completed the merger, or the Merger, of Art Acquisition Sub, Inc., a wholly-owned subsidiary of Aventis Inc., or the Acquirer, a wholly-owned subsidiary of Sanofi S.A., or Sanofi, with and into the Former Parent with the Former Parent continuing as the surviving entity.