$690M
Net insider buying / selling at W. R. Berkley Corporation (WRB) over the last 2 years. Updated Mar 3, 2026
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Are W. R. Berkley Corporation Insiders Buying or Selling?
W. R. Berkley Corporation (WRB) has had no reported insider transactions in the past 90 days. The most recent was MITSUI SUMITOMO INSURANCE CO LTD, who bought 73,185 shares at $72.52 on March 3, 2026.
Insider trading patterns can signal confidence or concern from the people who know the company best. AltIndex tracks insider transactions as one of 25+ alternative data signals in the WRB AI Score. For government officials trading this stock, see WRB congressional trading.
Who’s Trading W. R. Berkley Corporation Stock?
| Insider | Activity | Trades | Last Trade |
|---|---|---|---|
| MITSUI SUMITOMO INSURANCE CO LTD | Bought $690M | 93 | Mar 3, 2026 |
Recent W. R. Berkley Corporation Insider Transactions
| Insider | Transaction Date | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| MITSUI SUMITOMO INSURANCE CO LTD | Mar 3, 2026 | Buy | 73,185 | $72.52 | $5.3M |
| MITSUI SUMITOMO INSURANCE CO LTD | Mar 3, 2026 | Buy | 38,991 | $71.6 | $2.8M |
| MITSUI SUMITOMO INSURANCE CO LTD | Mar 2, 2026 | Buy | 100,897 | $73.2 | $7.4M |
| MITSUI SUMITOMO INSURANCE CO LTD | Mar 2, 2026 | Buy | 45,103 | $72.29 | $3.3M |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 27, 2026 | Buy | 147,000 | $71.63 | $11M |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 26, 2026 | Buy | 145,491 | $71.65 | $10M |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 26, 2026 | Buy | 7,509 | $72.11 | $540,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 25, 2026 | Buy | 154,512 | $71.39 | $11M |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 25, 2026 | Buy | 14,356 | $71.77 | $1M |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 24, 2026 | Buy | 103,192 | $70.52 | $7.3M |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 24, 2026 | Buy | 61,594 | $71.28 | $4.4M |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 23, 2026 | Buy | 203,590 | $71.09 | $14M |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 23, 2026 | Buy | 16,410 | $71.8 | $1.2M |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 20, 2026 | Buy | 160,582 | $70.8 | $11M |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 19, 2026 | Buy | 300,986 | $70.53 | $21M |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 19, 2026 | Buy | 44,014 | $71.5 | $3.1M |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 18, 2026 | Buy | 239,750 | $70.58 | $17M |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 18, 2026 | Buy | 45,250 | $70.96 | $3.2M |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 17, 2026 | Buy | 281,386 | $71.19 | $20M |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 13, 2026 | Buy | 15,406 | $69.73 | $1.1M |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 13, 2026 | Buy | 4,314 | $70.3 | $300,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 13, 2026 | Buy | 280 | $71.18 | $20,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 12, 2026 | Buy | 17,599 | $71.88 | $1.3M |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 12, 2026 | Buy | 2,401 | $72.76 | $170,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 11, 2026 | Buy | 11,163 | $71.45 | $800,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 11, 2026 | Buy | 9,289 | $69.59 | $650,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 11, 2026 | Buy | 3,578 | $70.5 | $250,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 10, 2026 | Buy | 21,884 | $69.09 | $1.5M |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 10, 2026 | Buy | 12,082 | $69.92 | $840,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 9, 2026 | Buy | 35,952 | $69.27 | $2.5M |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 9, 2026 | Buy | 4,048 | $70.32 | $280,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 6, 2026 | Buy | 15,694 | $70.46 | $1.1M |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 6, 2026 | Buy | 4,306 | $71.39 | $310,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 5, 2026 | Buy | 13,472 | $71.25 | $960,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 5, 2026 | Buy | 6,528 | $70.79 | $460,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 4, 2026 | Buy | 22,415 | $70.25 | $1.6M |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 4, 2026 | Buy | 2,585 | $69.77 | $180,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 3, 2026 | Buy | 31,653 | $68.87 | $2.2M |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 3, 2026 | Buy | 8,347 | $67.75 | $570,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 2, 2026 | Buy | 237,062 | $67.71 | $16M |
| MITSUI SUMITOMO INSURANCE CO LTD | Feb 2, 2026 | Buy | 13,159 | $68.42 | $900,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 30, 2026 | Buy | 195,000 | $68.36 | $13M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 29, 2026 | Buy | 262,282 | $68.08 | $18M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 29, 2026 | Buy | 27,718 | $68.56 | $1.9M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 28, 2026 | Buy | 280,354 | $67.58 | $19M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 28, 2026 | Buy | 28,577 | $67.89 | $1.9M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 27, 2026 | Buy | 325,960 | $67.4 | $22M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 27, 2026 | Buy | 11,987 | $66.87 | $800,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 27, 2026 | Buy | 8,582 | $68.56 | $590,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 27, 2026 | Buy | 2,671 | $69.04 | $180,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 27, 2026 | Buy | 800 | $65.86 | $53,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 26, 2026 | Buy | 293,611 | $66.86 | $20M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 26, 2026 | Buy | 76,389 | $67.88 | $5.2M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 23, 2026 | Buy | 201,081 | $66.77 | $13M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 23, 2026 | Buy | 166,919 | $67.18 | $11M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 22, 2026 | Buy | 330,000 | $67.45 | $22M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 21, 2026 | Buy | 260,998 | $67.6 | $18M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 21, 2026 | Buy | 59,002 | $66.95 | $4M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 20, 2026 | Buy | 265,006 | $67.75 | $18M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 20, 2026 | Buy | 44,994 | $68.08 | $3.1M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 16, 2026 | Buy | 241,309 | $68.03 | $16M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 16, 2026 | Buy | 58,691 | $68.79 | $4M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 15, 2026 | Buy | 166,907 | $68.68 | $11M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 15, 2026 | Buy | 68,093 | $69.45 | $4.7M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 14, 2026 | Buy | 208,272 | $69.23 | $14M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 14, 2026 | Buy | 21,728 | $68.8 | $1.5M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 13, 2026 | Buy | 206,499 | $68.15 | $14M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 13, 2026 | Buy | 118,501 | $67.82 | $8M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 12, 2026 | Buy | 256,041 | $68.73 | $18M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 9, 2026 | Buy | 161,176 | $68.48 | $11M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 9, 2026 | Buy | 105,674 | $69.56 | $7.4M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 9, 2026 | Buy | 8,150 | $70.12 | $570,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 8, 2026 | Buy | 151,511 | $70.32 | $11M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 8, 2026 | Buy | 39,302 | $69.69 | $2.7M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 8, 2026 | Buy | 4,187 | $68.79 | $290,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 7, 2026 | Buy | 254,622 | $68.47 | $17M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 7, 2026 | Buy | 10,378 | $69.2 | $720,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 6, 2026 | Buy | 122,931 | $69.93 | $8.6M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 6, 2026 | Buy | 92,357 | $70.21 | $6.5M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 5, 2026 | Buy | 153,686 | $70.78 | $11M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 5, 2026 | Buy | 35,894 | $70.23 | $2.5M |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 5, 2026 | Buy | 11,350 | $69.2 | $790,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Jan 2, 2026 | Buy | 237,734 | $69.35 | $16M |
| MITSUI SUMITOMO INSURANCE CO LTD | Dec 31, 2025 | Buy | 230,000 | $70.27 | $16M |
| MITSUI SUMITOMO INSURANCE CO LTD | Dec 30, 2025 | Buy | 205,000 | $70.83 | $15M |
| MITSUI SUMITOMO INSURANCE CO LTD | Dec 29, 2025 | Buy | 205,000 | $70.77 | $15M |
| MITSUI SUMITOMO INSURANCE CO LTD | Dec 26, 2025 | Buy | 220,000 | $70.56 | $16M |
| MITSUI SUMITOMO INSURANCE CO LTD | Dec 23, 2025 | Buy | 232,546 | $70.31 | $16M |
| MITSUI SUMITOMO INSURANCE CO LTD | Dec 23, 2025 | Buy | 2,027 | $71.15 | $140,000 |
| MITSUI SUMITOMO INSURANCE CO LTD | Dec 22, 2025 | Buy | 162,060 | $70.33 | $11M |
| MITSUI SUMITOMO INSURANCE CO LTD | Dec 22, 2025 | Buy | 39,940 | $69.97 | $2.8M |
| MITSUI SUMITOMO INSURANCE CO LTD | Dec 19, 2025 | Buy | 204,000 | $69.5 | $14M |
| MITSUI SUMITOMO INSURANCE CO LTD | Dec 18, 2025 | Buy | 204,350 | $69.38 | $14M |
Frequently Asked Questions: W. R. Berkley Corporation Insider Trading
W. R. Berkley Corporation insiders have not reported any transactions in the past 90 days.
Insider buying is generally a stronger signal than insider selling, since insiders may sell for personal reasons (diversification, taxes) but typically buy only when they believe the stock is undervalued. AltIndex uses insider transaction patterns alongside 25+ other signals in the AI Score.
MITSUI SUMITOMO INSURANCE CO LTD has bought the most WRB stock in the last 2 years, with a total value of $690M.
According to our estimates, the total value of insider transactions for W. R. Berkley Corporation in the last 2 years is positive, amounting to $690M. This indicates that insiders have predominantly bought shares, showcasing their confidence in the company's future prospects.
The analytics provided are estimates and not a substitute for professional advice. All investments involve risks, including possible capital loss.
