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Ultragenyx Announces Exercise of Option to Purchase Additional Stock of Arcturus Therapeutics
NOVATO, Calif. and SAN DIEGO, May 21, 2020 (GLOBE NEWSWIRE) -- Ultragenyx Pharmaceutical, Inc. (Nasdaq: RARE), a biopharmaceutical company focused on the

About this update from Ultragenyx Pharmaceutical Inc.
[{"type":"text","content":"NOVATO, Calif. and SAN DIEGO, May 21, 2020 (GLOBE NEWSWIRE) -- Ultragenyx Pharmaceutical, Inc. (Nasdaq: RARE), a biopharmaceutical company focused on the development and commercialization of novel products for serious rare and ultra-rare genetic diseases and Arcturus Therapeutics Holdings Inc. (Nasdaq: ARCT), a leading messenger RNA medicines company, today announced that Ultragenyx has exercised its option to purchase 600,000 shares of Arcturus common stock at $16.00 per share.\n “We are encouraged by the advancement of Arcturus’s broad nucleic acid platform across multiple therapeutic areas, including their self-replicating mRNA-based COVID-19 vaccine candidate,” said Emil D. Kakkis, M.D., Ph.D., Chief Executive Officer and President of Ultragenyx. “We are also pleased with the progress of our preclinical UX053 mRNA candidate for Glycogen Storage Disease Type III and other earlier-stage opportunities we are exploring under the collaboration.”“The new investment from Ultragenyx is a testament to the strength of our long-term collaboration in developing nucleic acid therapies,” said Andrew Sassine, Chief Financial Officer of Arcturus. “The additional funding will support our clinical programs, including our efforts to move our COVID-19 vaccine candidate into clinical testing this summer.” After completion of the new equity purchase, Ultragenyx will own 3,000,000 shares, or 14.6%, of Arcturus outstanding common stock and will continue to be its largest shareholder. The purchase was made pursuant to the equity purchase agreement between the parties entered into in June 2019 in connection with the amendment to the research collaboration and license agreement between the two companies focused on nucleic acid therapies for rare diseases that was initiated in 2015. The first disclosed indication under the collaboration is Glycogen Storage Disease Type III, and an Investigational New Drug (IND) application for this mRNA therapeutic program, UX053, is expected to be filed in 2021. About Ultragenyx Pharmaceutical, Inc.Ultragenyx is a biopharmaceutical company committed to bringing patients novel products for the treatment of serious rare and ultra-rare genetic diseases. The company has built a diverse portfolio of approved therapies and product candidates aimed at addressing diseases with high unmet medical need and clear biology for tre...