Trade Summary

6 months ago, Mitsui Sumitomo Insurance Co Ltd, serving as 10% owner at Berkley W R Corp (WRB), purchased 610,350 shares at $69.71 per share, for a total transaction value of $42,548,370.00. Following this transaction, Mitsui Sumitomo Insurance Co Ltd now holds 49,211,938 shares of WRB.

This purchase represents a 1.00% increase in Mitsui Sumitomo Insurance Co Ltd's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Thursday, December 18, 2025 and publicly disclosed via SEC Form 4 filing on Monday, December 22, 2025 at 8:45 PM ET, 4 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.