InsideArbitrage Event Driven Monitor – January 7, 2026

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Merger Arbitrage

1. OS: The acquisition of OneStream, Inc. (OS) by Hg, for a closing value of $6.4 billion. OneStream shareholders will receive $24 per share in cash, representing a 30.51% premium from the stock’s last close. (Press Release)
2. STAA: STAAR Surgical (STAA) announced that the merger with Alcon (ALC) was terminated, as only 30% of the stockholders voted in favor of the merger, and the majority rejected it.
3. CMA: Shareholders of Fifth Third Bancorp (FITB) and stockholders of Comerica (CMA) voted to approve the proposed merger of the two companies. The transaction is expected to close in the first quarter of 2026.

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