Metsera (MTSR) Sinks as Pfizer Seals Revised $10B Buyout; 8‑K Spells Out $65.60 Cash + Up to $20.65 CVR — Nov. 10, 2025
Shares of Metsera, Inc. (NASDAQ: MTSR) slumped on Monday after the obesity‑drug developer said it will proceed with a sweetened takeover by Pfizer that ends a high‑stakes bidding war with Novo Nordisk. Metsera accepted Pfizer’s revised offer late Friday; Novo dropped out over the weekend. In early U.S. trading today, MTSR fell ~15% as investors recalibrated expectations around the final deal structure. Key takeaways (Nov. 10) What changed today The revised terms, line by line (from today’s 8‑K) Metsera’s Form 8‑K filed this morning lays out material changes versus the September agreement: Why Novo bowed out — and the FTC’s