WRB (WRB) — Insider Trading

AI-Powered SEC Filing Analysis

Latest Insider Trading Filed: 2026-01-23

Key Insights

Mitsui Sumitomo Insurance Co. Ltd. (MSI), a 10% owner of W.R. Berkley Corporation (WRB), has made significant open market purchases of WRB shares in recent days, acquiring over 700,000 shares at weighted average prices of $67.45 and $66.77.
The purchases were made pursuant to a Rule 10b5-1 plan, indicating a degree of prearrangement and confidence in the company's future outlook.
MSI's ownership stake in WRB has increased to over 54.5 million shares, or approximately 19% of the company's outstanding common stock, suggesting strong long-term conviction in the investment.

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Earlier Insider Trading filings

Filed: 2026-01-21

Mitsui Sumitomo Insurance Co., Ltd. (MSI) and its parent company MS&AD Insurance Group Holdings, Inc. have significantly increased their stake in W.R. Berkley Corporation (WRB) through multiple open market purchases totaling over 53.8 million shares, representing a ~10% ownership position.
The purchases were made pursuant to a Rule 10b5-1 plan, indicating a strategic, long-term investment by the Japanese insurance group in WRB.
The weighted average purchase prices of the shares acquired over the past two trading days suggest MSI and MS&AD were able to build their position at relatively attractive levels compared to WRB's recent trading range.

Filed: 2025-12-29

Mitsui Sumitomo Insurance Co. Ltd. (MSI) and its parent company MS&AD Insurance Group Holdings, Inc. have significantly increased their ownership stake in W.R. Berkley Corporation (WRB) through multiple open-market purchases over the past week, indicating potential bullish sentiment toward the stock.
The purchases were executed under a Rule 10b5-1 trading plan, suggesting a planned and strategic increase in exposure to WRB rather than opportunistic trading.
The substantial increase in shareholding, from approximately 10% to over 15% of outstanding shares, makes MSI and MS&AD potentially influential stakeholders in the company.

Important Information

AI-generated analysis is for informational purposes only. Always read original SEC filings and consult with qualified professionals before making investment decisions.