Sumitomo Insurance Co Ltd Mitsui serves as Executive at BERKLEY W R CORP, where they oversee executive responsibilities. Since joining the company, Sumitomo Insurance Co Ltd Mitsui has executed 8 insider transactions totaling $109.2M, demonstrating a bullish approach to their equity position. Their most recent transaction on Jan 2, 2026 involved purchasing 237,734 shares valued at $16.5M.
Sumitomo Insurance Co Ltd Mitsui currently holds 50,764,245 shares of BERKLEY W R CORP (WRB), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Sumitomo Insurance Co Ltd Mitsui has been a net buyer of WRB stock. They have purchased $109.2M and sold $0 worth of shares.
Sumitomo Insurance Co Ltd Mitsui's most recent insider trade was on Jan 2, 2026, when they purchased 237,734 shares at $69.35 per share.
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| $70.27 |
| Discretionary |
| Dec 30, 2025 | WRB | $14.5M | Purchase | 205,000 | $70.83 | Discretionary |
| Dec 29, 2025 | WRB | $14.5M | Purchase | 205,000 | $70.77 | Discretionary |
| Dec 26, 2025 | WRB | $15.5M | Purchase | 220,000 | $70.56 | Discretionary |
| Dec 24, 2025 | WRB | $15.5M | Purchase | 220,000 | $70.51 | Discretionary |
| Dec 23, 2025 | WRB | $144.2K | Purchase | 2,027 | $71.15 | Discretionary |
| Dec 23, 2025 | WRB | $16.4M | Purchase | 232,546 | $70.31 | Discretionary |