| Insiders | Shares | % | Avg Price | Total $ | |
|---|---|---|---|---|---|
| Buys | 1 | +10,178,862 | 100% | $69.31 | +$705,457,909 |
| Sells | 0 | ||||
| Net | +1 | +10,178,862 | 100% | +$705,457,909 |
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Report Date |
|---|---|---|---|---|---|
| William R. Berkley | Executive Chairman, Director, 10%+ Owner | $5,965,711,893 | 15 Aug 2025 | ||
| William R. Berkley Jr. | President and CEO, Director | $5,039,072,134 | 15 Aug 2025 | ||
| MITSUI SUMITOMO INSURANCE CO LTD | 10%+ Owner | $4,262,981,599 | +$705,457,909 | +20% | 02 Mar 2026 |
| James G. Shiel | EVP - Investments | $77,932,923 | 18 Dec 2025 | ||
| Lucille T. Sgaglione | Evp | $17,773,023 | 15 Aug 2025 | ||
| Richard M. Baio | Evp & Cfo | $16,732,463 | 15 Aug 2025 | ||
| Philip S. Welt | EVP & Secretary | $15,961,561 | 15 Aug 2025 | ||
| Mary C. Farrell | Director | $11,538,089 | 11 Jun 2025 | ||
| Ronald E. Blaylock | Director | $10,585,857 | 11 Jun 2025 | ||
| Mark L. Shapiro | Director | $9,183,966 | 12 Jun 2024 | ||
| Christopher L. Augostini | Director | $7,802,678 | 11 Jun 2025 | ||
| Mark E. Brockbank | Director | $6,010,360 | 29 Jul 2022 | ||
| Maria Luisa Ferre | Director | $4,103,003 | 11 Jun 2025 | ||
| Jonathan Talisman | Director | $2,261,460 | 11 Jun 2025 | ||
| Daniel L. Mosley | Director | $861,978 | 11 Jun 2025 | ||
| file Leigh Ann Pusey | Director | $834,332 | 01 Dec 2021 | ||
| Marie A. Mattson | Director | $480,647 | 11 Jun 2025 | ||
| Robert A. Rusbuldt | Director | $202,870 | 11 Jun 2025 |
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|