WRB-PF (WRB-PF) — Insider Trading

Key Insights

• Mitsui Sumitomo Insurance Co., Ltd. (MSI) has increased its stake in W.R. Berkley Corporation (WRB) through multiple open market purchases over a 2-day period, acquiring over 535,000 shares at an average price of around $68.60 per share.
• The purchases were made pursuant to a pre-planned 10b5-1 trading program, indicating the transactions were part of a systematic investment strategy rather than ad-hoc.
• With the additional share purchases, MSI now holds over 53.2 million shares, or approximately 18.6% of WRB's outstanding common stock, solidifying its position as a significant 10% owner of the company.