InsideArbitrage Event Driven Monitor – August 4, 2026

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Merger Arbitrage

1. SUPN: The merger of Supernus Pharmaceuticals, Inc. (SUPN) with Indivior Pharmaceuticals Inc (INDV) for a closing value of $3.38 billion. Supernus stockholders will receive 1.5401 common shares of Indivior, representing a value of $61.62 per Supernus share, at a premium of 38.07% from the stock’s last close. Indivior stockholders will receive a one-time special cash dividend of $1 billion in aggregate immediately before closing of the merger. (Press Release)
2. BOW: The acquisition of Bowhead Specialty Holdings Inc. (BOW) by American Family Mutual Insurance Company, S.I. for a closing value of $1.2 billion. Each Bowhead stockholder will receive $34 per share in cash, representing a premium of 11.15% from the stock’s last close. (Press Release)
3. LNTH: The acquisition of Lantheus Holdings, Inc. (LNTH) by Curium US Holdings LLC for a closing value of up to $8 billion. Curium US will acquire all of the outstanding shares of Lantheus for $102.5 per share in cash at closing, representing a premium of 2.87% from the stock’s last close. The shareholders will also receive non-transferable CVRs providing for up to $12 per share in potential additional cash payments, subject to achievement of specified commercial milestones for Lantheus’ products through 2030. In May, Bloomberg reported that Lantheus was weighing a sale after getting a takeover offer from Curium. (Press Release)

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