With a $128 million series A financing, Diagonal Therapeutics Inc. launched to develop its lead program using agonist antibodies for treating, among other indications, the rare disease hereditary hemorrhagic telangiectasia. The antibodies are designed to activate a receptor complex in the TGF-β superfamily genetically impaired in patients with the bleeding disorder. Diagonal also is developing a treatment for the orphan disease pulmonary arterial hypertension.

Addex Therapeutics has offloaded its portfolio of preclinical allosteric modulation drugs into Neurosterix, a new company that arrives on the scene with a $63 million series A round.

South Korean biosimilar-focused Alteogen Inc. said on March 27 that Chung Hye-shin, former chief strategy officer (CSO) and co-founder, sold 1.6 million of Alteogen shares for ₩316.4 billion (US$234.24 million) to foreign institutional investors.