WRB
W. R. Berkley Corporation insider trading
Financials · Net buying
Close · Oct 5, 2026
$69.77
-6.8% over 12 months
Share price and insider trades
WRB closeInsider buyInsider sale
Bought, 12 months$705M
Sold, 12 months$0
Insiders buying1
Insiders selling0
Valuation, profit and volume
P/E (trailing)14.3Sector median 17.8
Market value$25.90BInsurance - Property & Casualty
Profit margin12.9%Revenue growth +1.2%
Volume vs. 50-day0.9×Last 5 sessions
Insiders' paper profit+$4.7MOn all tracked purchases +0.7%
Summary
Over the past 12 months, 1 W. R. Berkley Corporation insider reported open-market purchases totaling $705M, while 0 insiders reported sales totaling $0. Among insiders with enough purchase history to measure, Sumitomo Insurance Co Ltd Mitsui (10% Owner) has the highest Insider Score at 24.
Insider transactions
Open-market purchases and sales. 19 grants, option exercises and tax withholdings are not shown.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Mar 3SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 100,897 | $73.20 | $7.4M | -4.7% | 24 |
| Mar 3SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 73,185 | $72.52 | $5.3M | -3.8% | 24 |
| Mar 3SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 45,103 | $72.29 | $3.3M | -3.5% | 24 |
| Mar 3SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 38,991 | $71.60 | $2.8M | -2.6% | 24 |
| Feb 27SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 147,000 | $71.63 | $10.5M | -2.6% | 24 |
| Feb 27SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 145,491 | $71.65 | $10.4M | -2.6% | 24 |
| Feb 27SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 7,509 | $72.11 | $542K | -3.3% | 24 |
| Feb 25SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 203,590 | $71.09 | $14.5M | -1.9% | 24 |
| Feb 25SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 154,512 | $71.39 | $11.0M | -2.3% | 24 |
| Feb 25SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 103,192 | $70.52 | $7.3M | -1.1% | 24 |
| Feb 25SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 61,594 | $71.28 | $4.4M | -2.1% | 24 |
| Feb 25SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 16,410 | $71.80 | $1.2M | -2.8% | 24 |
| Feb 25SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 14,356 | $71.77 | $1.0M | -2.8% | 24 |
| Feb 20SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 300,986 | $70.53 | $21.2M | -1.1% | 24 |
| Feb 20SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 160,582 | $70.80 | $11.4M | -1.5% | 24 |
| Feb 20SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 44,014 | $71.50 | $3.1M | -2.4% | 24 |
| Feb 18SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 281,386 | $71.19 | $20.0M | -2.0% | 24 |
| Feb 18SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 239,750 | $70.58 | $16.9M | -1.2% | 24 |
| Feb 18SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 45,250 | $70.96 | $3.2M | -1.7% | 24 |
| Feb 13SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 17,599 | $71.88 | $1.3M | -2.9% | 24 |
| Feb 13SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 15,406 | $69.73 | $1.1M | +0.1% | 24 |
| Feb 13SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 4,314 | $70.30 | $303K | -0.8% | 24 |
| Feb 13SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 2,401 | $72.76 | $175K | -4.1% | 24 |
| Feb 13SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 280 | $71.18 | $20K | -2.0% | 24 |
| Feb 11SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 35,952 | $69.27 | $2.5M | +0.7% | 24 |
| Feb 11SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 21,884 | $69.09 | $1.5M | +1.0% | 24 |
| Feb 11SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 12,082 | $69.92 | $845K | -0.2% | 24 |
| Feb 11SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 11,163 | $71.45 | $798K | -2.4% | 24 |
| Feb 11SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 9,289 | $69.59 | $646K | +0.3% | 24 |
| Feb 11SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 4,048 | $70.32 | $285K | -0.8% | 24 |
| Feb 11SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 3,578 | $70.50 | $252K | -1.0% | 24 |
| Feb 6SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 15,694 | $70.46 | $1.1M | -1.0% | 24 |
| Feb 6SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 13,472 | $71.25 | $960K | -2.1% | 24 |
| Feb 6SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 6,528 | $70.79 | $462K | -1.4% | 24 |
| Feb 6SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 4,306 | $71.39 | $307K | -2.3% | 24 |
| Feb 4SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 237,062 | $67.71 | $16.1M | +3.0% | 24 |
| Feb 4SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 31,653 | $68.87 | $2.2M | +1.3% | 24 |
| Feb 4SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 22,415 | $70.25 | $1.6M | -0.7% | 24 |
| Feb 4SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 13,159 | $68.42 | $900K | +2.0% | 24 |
| Feb 4SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 8,347 | $67.75 | $565K | +3.0% | 24 |
| Feb 4SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 2,585 | $69.77 | $180K | +0.0% | 24 |
| Jan 30SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 262,282 | $68.08 | $17.9M | +2.5% | 24 |
| Jan 30SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 195,000 | $68.36 | $13.3M | +2.1% | 24 |
| Jan 30SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 27,718 | $68.56 | $1.9M | +1.8% | 24 |
| Jan 28SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 325,960 | $67.40 | $22.0M | +3.5% | 24 |
| Jan 28SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 293,611 | $66.86 | $19.6M | +4.4% | 24 |
| Jan 28SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 280,354 | $67.58 | $18.9M | +3.2% | 24 |
| Jan 28SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 76,389 | $67.88 | $5.2M | +2.8% | 24 |
| Jan 28SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 28,577 | $67.89 | $1.9M | +2.8% | 24 |
| Jan 28SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 11,987 | $66.87 | $802K | +4.3% | 24 |
| Jan 28SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 8,582 | $68.56 | $588K | +1.8% | 24 |
| Jan 28SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 2,671 | $69.04 | $184K | +1.1% | 24 |
| Jan 28SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 800 | $65.86 | $53K | +5.9% | 24 |
| Jan 23SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 330,000 | $67.45 | $22.3M | +3.4% | 24 |
| Jan 23SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 201,081 | $66.77 | $13.4M | +4.5% | 24 |
| Jan 23SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 166,919 | $67.18 | $11.2M | +3.9% | 24 |
| Jan 21SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 265,006 | $67.75 | $18.0M | +3.0% | 24 |
| Jan 21SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 260,998 | $67.60 | $17.6M | +3.2% | 24 |
| Jan 21SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 59,002 | $66.95 | $4.0M | +4.2% | 24 |
| Jan 21SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 44,994 | $68.08 | $3.1M | +2.5% | 24 |
| Jan 16SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 241,309 | $68.03 | $16.4M | +2.6% | 24 |
| Jan 16SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 166,907 | $68.67 | $11.5M | +1.6% | 24 |
| Jan 16SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 68,093 | $69.45 | $4.7M | +0.5% | 24 |
| Jan 16SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 58,691 | $68.79 | $4.0M | +1.4% | 24 |
| Jan 14SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 256,041 | $68.73 | $17.6M | +1.5% | 24 |
| Jan 14SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 208,272 | $69.23 | $14.4M | +0.8% | 24 |
| Jan 14SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 206,499 | $68.15 | $14.1M | +2.4% | 24 |
| Jan 14SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 118,501 | $67.82 | $8.0M | +2.9% | 24 |
| Jan 14SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 21,728 | $68.80 | $1.5M | +1.4% | 24 |
| Jan 9SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 161,176 | $68.48 | $11.0M | +1.9% | 24 |
| Jan 9SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 151,511 | $70.32 | $10.7M | -0.8% | 24 |
| Jan 9SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 105,674 | $69.56 | $7.4M | +0.3% | 24 |
| Jan 9SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 39,302 | $69.69 | $2.7M | +0.1% | 24 |
| Jan 9SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 8,150 | $70.12 | $571K | -0.5% | 24 |
| Jan 9SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 4,187 | $68.79 | $288K | +1.4% | 24 |
| Jan 7SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 254,622 | $68.47 | $17.4M | +1.9% | 24 |
| Jan 7SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 153,686 | $70.78 | $10.9M | -1.4% | 24 |
| Jan 7SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 122,931 | $69.93 | $8.6M | -0.2% | 24 |
| Jan 7SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 92,357 | $70.21 | $6.5M | -0.6% | 24 |
| Jan 7SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 35,894 | $70.23 | $2.5M | -0.7% | 24 |
| Jan 7SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 11,350 | $69.20 | $785K | +0.8% | 24 |
| Jan 7SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 10,378 | $69.20 | $718K | +0.8% | 24 |
| Jan 2SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 237,734 | $69.35 | $16.5M | +0.6% | 24 |
| Jan 2SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 230,000 | $70.27 | $16.2M | -0.7% | 24 |
| Jan 2SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 205,000 | $70.83 | $14.5M | -1.5% | 24 |
| Dec 29SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 232,546 | $70.31 | $16.4M | -0.8% | 24 |
| Dec 29SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 220,000 | $70.56 | $15.5M | -1.1% | 24 |
| Dec 29SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 220,000 | $70.51 | $15.5M | -1.0% | 24 |
| Dec 29SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 205,000 | $70.77 | $14.5M | -1.4% | 24 |
| Dec 29SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 2,027 | $71.15 | $144K | -1.9% | 24 |
| Dec 22SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 204,000 | $69.50 | $14.2M | +0.4% | 24 |
| Dec 22SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 204,350 | $69.38 | $14.2M | +0.6% | 24 |
| Dec 22SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 162,060 | $70.33 | $11.4M | -0.8% | 24 |
| Dec 22SEC | Sumitomo Insurance Co Ltd Mitsui10% Owner | Buy | 39,940 | $69.97 | $2.8M | -0.3% | 24 |
Insiders at W. R. Berkley Corporation
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Sumitomo Insurance Co Ltd Mitsui10% Owner | $705M | — | Mar 3, 2026 | 24 |
| William R Berkley Jr.CEO, President | — | — | Aug 5, 2026 | — |
| James G ShielEvp - Investments | — | — | Aug 5, 2026 | — |
| Richard Mark BaioCFO | — | — | Aug 5, 2026 | — |
| Philip S WeltEvp & Secretary | — | — | Aug 5, 2026 | — |
| Jonathan TalismanDirector | — | — | Jun 4, 2026 | — |
| Ronald E BlaylockDirector | — | — | Jun 4, 2026 | — |
| Christopher L AugostiniDirector | — | — | Jun 4, 2026 | — |
| Robert Alan RusbuldtDirector | — | — | Jun 4, 2026 | — |
| Mary C FarrellDirector | — | — | Jun 4, 2026 | — |
| Daniel Lynn MosleyDirector | — | — | Jun 4, 2026 | — |
| Marie Angela MattsonDirector | — | — | Jun 4, 2026 | — |
| Maria Luisa FerreDirector | — | — | Jun 4, 2026 | — |
| William R BerkleyChair | — | — | Jun 4, 2026 | — |
Insider activity at other Financials companies
Same sector, ranked by insider buying in the last 90 days.
Common questions about WRB insiders
Are W. R. Berkley Corporation insiders buying WRB stock?
In the past 12 months, 1 insiders reported open-market purchases of WRB worth $705M. The latest was 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $7.4M of WRB at $73.20.
Are W. R. Berkley Corporation insiders selling WRB stock?
0 insiders reported sales worth $0 over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.