In July 2022, we announced that we and Pfizer Inc. ("Pfizer") had entered into an agreement to supply Pfizer with CDX-616, a proprietary high-performance enzyme used to manufacture a critical intermediate for nirmatrelvir, an active pharmaceutical ingredient in PAXLOVID™, Pfizer's antiviral therapeutic, which is now approved in the United States for the treatment of mild-to-moderate COVID19 in people at high risk of progression to severe illness, and also authorized or approved by other regulatory authoriti ...