NVAX NOVAVAX INC Company Mergers 8-K Filing 2025 - Joint Ventures On May 5, 2025, Novavax Inc. reported an amended collaboration agreement with Takeda, involving a $19.5 million upfront payment and annual payments totaling $10 million, aimed at developing and commercializing their COVID-19 vaccine in Japan.Get access to all SEC 8-K filings of the NOVAVAX INC