News Posted on December 14, 2023 Pfizer (PFE) Completes Acquisition of Seagen (SGEN) – StreetInsider.com Pfizer (PFE) Completes Acquisition of Seagen (SGEN) StreetInsider.com Source: Pfizer (PFE) Completes Acquisition of Seagen (SGEN) – StreetInsider.com By sf-admin