InsideArbitrage Event Driven Monitor – October 7, 2025
Merger Arbitrage
- CMA: The acquisition of Comerica Incorporated (CMA) by Fifth Third Bancorp (FITB) for a closing value of $10.9 billion. Comerica’s stockholders will receive 1.8663 Fifth Third shares for each Comerica share, representing $82.88 per share, at a 17.48% premium from the stock’s last close. (Press Release)
- HSII: The acquisition of Heidrick & Struggles International, Inc. (HSII) by a consortium of investors led by Advent International and Corvex Private Equity for a closing value of $1.3 billion. Heidrick stockholders will receive $59 per share in cash, representing a premium of 21.20% from the stock’s last close. (Press Release)
- MTAL: MAC Copper (MTAL) announced that the merger with Harmony Gold Mining (HMY) will close on October 10, 2025.
You can check out new deals, all deal updates, and spreads on active deals in our Merger Arbitrage Tool for premium members here.
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