White Mountains to Commence Self-Tender Offer to Purchase Up To $300 Million In Value of Its Common Shares

Accessibility StatementSkip Navigation HAMILTON, Bermuda, Nov. 21, 2025 /PRNewswire/ --Â White Mountains Insurance Group, Ltd. (NYSE: WTM) announced today that it has commenced a "modified Dutch auction" self-tender offer to purchase up to $300 million in value of its common shares, at a purchase price not greater than $2,050 nor less than $1,850 per share, in cash, less any applicable withholding taxes and without interest. The tender offer commenced today, on November 21, 2025, and will expire at 12:00 mi ...