InsideArbitrage Event Driven Monitor – October 23, 2026

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Merger Arbitrage

1. LNTH: Lantheus (LNTH) announced that on October 21, it received a request for additional information and documentary materials (Second Request) from the Federal Trade Commission (FTC). The company continues to expect to consummate the merger in the first half of 2027.
2. WEAV: Shareholders of Weave Communications (WEAV) approved the company’s merger with Francisco Partners at a special meeting of shareholders.
3. NWE: Black Hills (BKH) and NorthWestern Energy (NWE) announced plans for the name and ticker symbol of the combined company after the merger is completed. Black Hills will be renamed Bright Horizon Energy Corporation, its common stock will trade on the New York Stock Exchange (NYSE) under the ticker symbol “HZN,” and NorthWestern Energy will become a wholly owned subsidiary of Bright Horizon Energy.

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