Trade Summary

4 months ago, Mitsui Sumitomo Insurance Co Ltd, serving as 10% owner at Berkley W R Corp (WRB), purchased 811,041 shares at $68.58 per share, for a total transaction value of $55,622,807.00. Following this transaction, Mitsui Sumitomo Insurance Co Ltd now holds 52,726,504 shares of WRB.

This purchase represents a 2.00% increase in Mitsui Sumitomo Insurance Co Ltd's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Monday, January 12, 2026 and publicly disclosed via SEC Form 4 filing on Wednesday, January 14, 2026 at 9:36 PM ET, 2 days after the trade was made.

Berkley W R Corp operates in the FINANCIAL SERVICES sector, specifically within the INSURANCE - PROPERTY & CASUALTY industry. Insider buying activity in this sector can provide valuable signals about industry trends and company-specific developments.