InsideArbitrage Event Driven Monitor – March 5, 2025

Merger Arbitrage

1. SLRN: Acelyrin (SLRN) announced that its Board determined that the unsolicited proposal from Concentra Biosciences is not reasonably expected to result in a superior proposal to the planned merger with Alumis (ALMS). Acelyrin expects the merger with Alumis to close in the second quarter of 2025.
2. BECN: QXO (QXO) announced that it is again extending its all-cash tender offer to acquire all outstanding shares of Beacon Roofing Supply (BECN) to March 10, 2025. Computershare Trust Company, the depositary and paying agent for the tender offer has reported that on March 3, 2025, about 11.81 million shares had been validly tendered and not withdrawn, representing about 19.18% of the issued and outstanding shares.
3. LGTY: Logility Supply Chain Solutions (LGTY) filed a definitive proxy statement. The special meeting of shareholders will be held on April 3, 2025.

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