Company / CIK 0000011544
BERKLEY W R CORP
- Ticker
- WRB
- Size, estimated from filings
- Large cap ($10B – $200B)
- Insiders on file
- 14
- Members of Congress who traded it
- 2
- Federal contracts on record
- none matched
- Lobbying filings on record
- none matched
- SEC filings
- EDGAR ↗
- Latest trade on record
- August 3, 2026
BERKLEY W R CORP (WRB) has 14 insiders on file who disclosed 113 transactions in the last 12 months (94 open-market buys, 4 sales, about $705.9M at reported prices), and 13 congressional trades in its stock are on record. No federal contract award that started in the last 180 days was found for a recipient with exactly this name; no lobbying filing names it as client this year.
BERKLEY W R CORP in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
7 people account for the disclosed buying and selling in BERKLEY W R CORP over the last 12 months; the most active is MITSUI SUMITOMO INSURANCE CO LTD with $705M.
Insiders
| Name | Role | Rows | Bought | Sold | Last filed |
|---|---|---|---|---|---|
| Welt Philip S | EVP & Secretary | 2 | 0 | 1 | August 5, 2026 |
| Baio Richard Mark | EVP & CFO | 2 | 0 | 1 | August 5, 2026 |
| BERKLEY WILLIAM R JR | Chairman, President and CEO | 3 | 0 | 1 | August 5, 2026 |
| SHIEL JAMES G | EVP - Investments | 3 | 0 | 1 | August 5, 2026 |
| BLAYLOCK RONALD E | Director | 1 | 0 | 0 | August 5, 2026 |
| BERKLEY WILLIAM R | Executive Chairman | 1 | 0 | 0 | June 4, 2026 |
| Ferre Maria Luisa | Director | 1 | 0 | 0 | June 4, 2026 |
| Mattson Marie Angela | Director | 1 | 0 | 0 | June 4, 2026 |
| Mosley Daniel Lynn | Director | 1 | 0 | 0 | June 4, 2026 |
| Farrell Mary C | Director | 1 | 0 | 0 | June 4, 2026 |
| Talisman Jonathan | Director | 1 | 0 | 0 | June 4, 2026 |
| Augostini Christopher L | Director | 1 | 0 | 0 | June 4, 2026 |
| Rusbuldt Robert Alan | Director | 1 | 0 | 0 | June 4, 2026 |
| MITSUI SUMITOMO INSURANCE CO LTD | Insider | 94 | 94 | 0 | March 3, 2026 |
Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.
Members of Congress who traded WRB
From periodic transaction reports that name the company's stock. Amounts are the sums of the ranges as filed. Every row is on the WRB page.
| Member | Seat | Trades | Bought | Sold | Range as filed | Latest |
|---|---|---|---|---|---|---|
| Gilbert Ray Cisneros, Jr. | Representative (CA, District 31), Democrat | 10 | 0 | 10 | $10K–$150K | June 5, 2026 |
| Lisa C. McClain | Representative (MI, District 9), Republican | 3 | 1 | 2 | $3,003–$45K | October 31, 2025 |
Insider transactions
| Filer | Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SHIEL JAMES G | WRB | Sell F | August 3, 2026 | August 5, 2026 | 2d | 650 | $72 | $47K | Form 4 ↗ | ||
| SHIEL JAMES G | WRB | Other A | August 3, 2026 | August 5, 2026 | 2d | 14,086 | — | — | Form 4 ↗ | ||
| BERKLEY WILLIAM R JR | WRB | Sell F | August 3, 2026 | August 5, 2026 | 2d | 4,139 | $72 | $299K | Form 4 ↗ | ||
| BERKLEY WILLIAM R JR | WRB | Other A | August 3, 2026 | August 5, 2026 | 2d | 98,593 | — | — | Form 4 ↗ | ||
| Baio Richard Mark | WRB | Sell F | August 3, 2026 | August 5, 2026 | 2d | 650 | $72 | $47K | Form 4 ↗ | ||
| Baio Richard Mark | WRB | Other A | August 3, 2026 | August 5, 2026 | 2d | 14,086 | — | — | Form 4 ↗ | ||
| Welt Philip S | WRB | Sell F | August 3, 2026 | August 5, 2026 | 2d | 592 | $72 | $43K | Form 4 ↗ | ||
| Welt Philip S | WRB | Other A | August 3, 2026 | August 5, 2026 | 2d | 14,086 | — | — | Form 4 ↗ | ||
| Rusbuldt Robert Alan | WRB | Other A | June 3, 2026 | June 4, 2026 | 1d | 3,090 | — | — | Form 4 ↗ | ||
| Augostini Christopher L | WRB | Other A | June 3, 2026 | June 4, 2026 | 1d | 3,090 | — | — | Form 4 ↗ | ||
| BLAYLOCK RONALD E | WRB | Other A | June 3, 2026 | June 4, 2026 | 1d | 3,090 | — | — | Form 4 ↗ | ||
| Talisman Jonathan | WRB | Other A | June 3, 2026 | June 4, 2026 | 1d | 3,090 | — | — | Form 4 ↗ | ||
| Farrell Mary C | WRB | Other A | June 3, 2026 | June 4, 2026 | 1d | 3,090 | — | — | Form 4 ↗ | ||
| Mosley Daniel Lynn | WRB | Other A | June 3, 2026 | June 4, 2026 | 1d | 3,090 | — | — | Form 4 ↗ | ||
| BERKLEY WILLIAM R JR | WRB | Other A | June 3, 2026 | June 4, 2026 | 1d | 3,090 | — | — | Form 4 ↗ | ||
| Mattson Marie Angela | WRB | Other A | June 3, 2026 | June 4, 2026 | 1d | 3,090 | — | — | Form 4 ↗ | ||
| Ferre Maria Luisa | WRB | Other A | June 3, 2026 | June 4, 2026 | 1d | 3,090 | — | — | Form 4 ↗ | ||
| BERKLEY WILLIAM R | WRB | Other A | June 3, 2026 | June 4, 2026 | 1d | 3,090 | — | — | Form 4 ↗ | ||
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | March 3, 2026 | March 3, 2026 | 0d | 73,185 | $73 | $5.3M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | March 3, 2026 | March 3, 2026 | 0d | 38,991 | $72 | $2.8M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | March 2, 2026 | March 3, 2026 | 1d | 100,897 | $73 | $7.4M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | March 2, 2026 | March 3, 2026 | 1d | 45,103 | $72 | $3.3M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 27, 2026 | February 27, 2026 | 0d | 147,000 | $72 | $10.5M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 26, 2026 | February 27, 2026 | 1d | 7,509 | $72 | $542K | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 26, 2026 | February 27, 2026 | 1d | 145,491 | $72 | $10.4M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 25, 2026 | February 25, 2026 | 0d | 14,356 | $72 | $1.0M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 25, 2026 | February 25, 2026 | 0d | 154,512 | $71 | $11.0M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 24, 2026 | February 25, 2026 | 1d | 61,594 | $71 | $4.4M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 24, 2026 | February 25, 2026 | 1d | 103,192 | $71 | $7.3M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 23, 2026 | February 25, 2026 | 2d | 16,410 | $72 | $1.2M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 23, 2026 | February 25, 2026 | 2d | 203,590 | $71 | $14.5M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 20, 2026 | February 20, 2026 | 0d | 160,582 | $71 | $11.4M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 19, 2026 | February 20, 2026 | 1d | 44,014 | $71 | $3.1M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 19, 2026 | February 20, 2026 | 1d | 300,986 | $71 | $21.2M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 18, 2026 | February 18, 2026 | 0d | 45,250 | $71 | $3.2M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 18, 2026 | February 18, 2026 | 0d | 239,750 | $71 | $16.9M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 17, 2026 | February 18, 2026 | 1d | 281,386 | $71 | $20.0M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 13, 2026 | February 13, 2026 | 0d | 280 | $71 | $20K | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 13, 2026 | February 13, 2026 | 0d | 4,314 | $70 | $303K | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 13, 2026 | February 13, 2026 | 0d | 15,406 | $70 | $1.1M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 12, 2026 | February 13, 2026 | 1d | 2,401 | $73 | $175K | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 12, 2026 | February 13, 2026 | 1d | 17,599 | $72 | $1.3M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 11, 2026 | February 11, 2026 | 0d | 11,163 | $71 | $798K | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 11, 2026 | February 11, 2026 | 0d | 3,578 | $71 | $252K | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 11, 2026 | February 11, 2026 | 0d | 9,289 | $70 | $646K | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 10, 2026 | February 11, 2026 | 1d | 12,082 | $70 | $845K | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 10, 2026 | February 11, 2026 | 1d | 21,884 | $69 | $1.5M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 9, 2026 | February 11, 2026 | 2d | 4,048 | $70 | $285K | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 9, 2026 | February 11, 2026 | 2d | 35,952 | $69 | $2.5M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 6, 2026 | February 6, 2026 | 0d | 4,306 | $71 | $307K | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 6, 2026 | February 6, 2026 | 0d | 15,694 | $70 | $1.1M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 5, 2026 | February 6, 2026 | 1d | 13,472 | $71 | $960K | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 5, 2026 | February 6, 2026 | 1d | 6,528 | $71 | $462K | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 4, 2026 | February 4, 2026 | 0d | 22,415 | $70 | $1.6M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 4, 2026 | February 4, 2026 | 0d | 2,585 | $70 | $180K | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 3, 2026 | February 4, 2026 | 1d | 31,653 | $69 | $2.2M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 3, 2026 | February 4, 2026 | 1d | 8,347 | $68 | $565K | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 2, 2026 | February 4, 2026 | 2d | 13,159 | $68 | $900K | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | February 2, 2026 | February 4, 2026 | 2d | 237,062 | $68 | $16.1M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 30, 2026 | January 30, 2026 | 0d | 195,000 | $68 | $13.3M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 29, 2026 | January 30, 2026 | 1d | 27,718 | $69 | $1.9M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 29, 2026 | January 30, 2026 | 1d | 262,282 | $68 | $17.9M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 28, 2026 | January 28, 2026 | 0d | 28,577 | $68 | $1.9M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 28, 2026 | January 28, 2026 | 0d | 280,354 | $68 | $18.9M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 27, 2026 | January 28, 2026 | 1d | 2,671 | $69 | $184K | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 27, 2026 | January 28, 2026 | 1d | 8,582 | $69 | $588K | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 27, 2026 | January 28, 2026 | 1d | 325,960 | $67 | $22.0M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 27, 2026 | January 28, 2026 | 1d | 11,987 | $67 | $802K | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 27, 2026 | January 28, 2026 | 1d | 800 | $66 | $53K | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 26, 2026 | January 28, 2026 | 2d | 76,389 | $68 | $5.2M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 26, 2026 | January 28, 2026 | 2d | 293,611 | $67 | $19.6M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 23, 2026 | January 23, 2026 | 0d | 166,919 | $67 | $11.2M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 23, 2026 | January 23, 2026 | 0d | 201,081 | $67 | $13.4M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 22, 2026 | January 23, 2026 | 1d | 330,000 | $67 | $22.3M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 21, 2026 | January 21, 2026 | 0d | 260,998 | $68 | $17.6M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 21, 2026 | January 21, 2026 | 0d | 59,002 | $67 | $4.0M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 20, 2026 | January 21, 2026 | 1d | 44,994 | $68 | $3.1M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 20, 2026 | January 21, 2026 | 1d | 265,006 | $68 | $18.0M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 16, 2026 | January 16, 2026 | 0d | 58,691 | $69 | $4.0M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 16, 2026 | January 16, 2026 | 0d | 241,309 | $68 | $16.4M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 15, 2026 | January 16, 2026 | 1d | 68,093 | $69 | $4.7M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 15, 2026 | January 16, 2026 | 1d | 166,907 | $69 | $11.5M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 14, 2026 | January 14, 2026 | 0d | 208,272 | $69 | $14.4M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 14, 2026 | January 14, 2026 | 0d | 21,728 | $69 | $1.5M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 13, 2026 | January 14, 2026 | 1d | 206,499 | $68 | $14.1M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 13, 2026 | January 14, 2026 | 1d | 118,501 | $68 | $8.0M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 12, 2026 | January 14, 2026 | 2d | 256,041 | $69 | $17.6M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 9, 2026 | January 9, 2026 | 0d | 8,150 | $70 | $571K | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 9, 2026 | January 9, 2026 | 0d | 105,674 | $70 | $7.4M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 9, 2026 | January 9, 2026 | 0d | 161,176 | $68 | $11.0M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 8, 2026 | January 9, 2026 | 1d | 151,511 | $70 | $10.7M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 8, 2026 | January 9, 2026 | 1d | 39,302 | $70 | $2.7M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 8, 2026 | January 9, 2026 | 1d | 4,187 | $69 | $288K | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 7, 2026 | January 7, 2026 | 0d | 10,378 | $69 | $718K | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 7, 2026 | January 7, 2026 | 0d | 254,622 | $68 | $17.4M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 6, 2026 | January 7, 2026 | 1d | 92,357 | $70 | $6.5M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 6, 2026 | January 7, 2026 | 1d | 122,931 | $70 | $8.6M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 5, 2026 | January 7, 2026 | 2d | 153,686 | $71 | $10.9M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 5, 2026 | January 7, 2026 | 2d | 35,894 | $70 | $2.5M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 5, 2026 | January 7, 2026 | 2d | 11,350 | $69 | $785K | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | January 2, 2026 | January 2, 2026 | 0d | 237,734 | $69 | $16.5M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | December 31, 2025 | January 2, 2026 | 2d | 230,000 | $70 | $16.2M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | December 30, 2025 | January 2, 2026 | 3d | 205,000 | $71 | $14.5M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | December 29, 2025 | December 29, 2025 | 0d | 205,000 | $71 | $14.5M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | December 26, 2025 | December 29, 2025 | 3d | 220,000 | $71 | $15.5M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | December 24, 2025 | December 29, 2025 | 5d | 220,000 | $71 | $15.5M | late10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | December 23, 2025 | December 29, 2025 | 6d | 2,027 | $71 | $144K | late10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | December 23, 2025 | December 29, 2025 | 6d | 232,546 | $70 | $16.4M | late10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | December 22, 2025 | December 22, 2025 | 0d | 162,060 | $70 | $11.4M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | December 22, 2025 | December 22, 2025 | 0d | 39,940 | $70 | $2.8M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | December 19, 2025 | December 22, 2025 | 3d | 204,000 | $70 | $14.2M | 10b5-1 plan | Form 4 ↗ | |
| MITSUI SUMITOMO INSURANCE CO LTD | WRB | Buy P | December 18, 2025 | December 22, 2025 | 4d | 204,350 | $69 | $14.2M | 10b5-1 plan | Form 4 ↗ | |
| SHIEL JAMES G | WRB | Other G | December 18, 2025 | December 19, 2025 | 1d | 1,250 | — | — | Form 4 ↗ |
Federal contracts (USAspending, awards started in the last 180 days)
No contract award starting in the last 180 days was found for a recipient named exactly "BERKLEY W R CORP". Subsidiaries and differently-spelled recipients are not matched — search contracts.
Lobbying (Senate LDA, as client)
No LDA filing posted since October 2025 names "BERKLEY W R CORP" as the client. Filings under a subsidiary or trade-association name are not matched — search lobbying.
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Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| House Clerk, periodic transaction reports | 5 | 13 | November 21, 2025 | July 2, 2026 | House Clerk search |
| SEC EDGAR, Form 4 | 35 | 113 | December 19, 2025 | August 5, 2026 | Form 4 list on EDGAR |
Site built October 27, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.
Not investment advice. Public records shown as filed; no recommendation is made or implied.