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Sanofi expands Regeneron partnership with up to $8 billion deal in win for new CEO

2 verified updates • corroborated by 1 independent source • tracked since October 1, 2026

• 🔵
  02:31 AM 1 source: Reuters

  Sanofi to pay Regeneron $1 billion upfront in expanded immunology deal
• 🟡
  04:01 AM 1 source: Reuters

  Sanofi expands Regeneron partnership with up to $8 billion deal in win for new CEO