Sidley is representing Aspen Insurance Holdings Limited (Aspen) (NYSE: AHL) in its definitive merger agreement to be acquired by Sompo Holdings, Inc. (Sompo). Under the agreement, a wholly-owned subsidiary of Sompo International Holdings Ltd. will acquire 100% of the issued and outstanding Class A ordinary shares of Aspen for US$37.50 per share in cash, representing aggregate consideration of approximately US$3.5 billion.
Aspen brings a leading specialty insurance and reinsurance franchise with more than US$4.6 billion in annual gross written premiums centered around specialty product lines and bespoke solutions.
The transaction is subject to customary regulatory approvals and is expected to close in the first half of 2026.
The Sidley deal team is led by Sean Carney (Private Equity and Insurance) and Jonathan Blackburn (M&A), and includes David Perkins (Private Equity), Jessica Day (M&A), and Alexandra Newland (M&A).
