| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| SHIEL JAMES G | EVP - Investments | W. R. BERKLEY CORPORATION, 475 STEAMBOAT ROAD, GREENWICH | James G. Shiel | 2025-08-19 | 0001236251 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WRB | Common Stock | Award | $0 | +16.1K | +2.06% | $0.00 | 799K | Aug 15, 2025 | Direct | F1 |
| transaction | WRB | Common Stock | Tax liability | -$53K | -744 | -0.09% | $71.24 | 798K | Aug 15, 2025 | Direct | F2, F3 |
| holding | WRB | Common Stock | 208K | Aug 15, 2025 | By 2022 SLAT |
| Id | Content |
|---|---|
| F1 | Represents the vesting of tranches of performance-based restricted stock units ("RSUs") granted in 2020, 2021 and 2022 under the W. R. Berkley Corporation 2018 Stock Incentive Plan for the three-year performance period ending June 30, 2025 (consisting of 6,396 shares; 5,549 shares; and 4,181 shares, respectively). |
| F2 | Represents payment of tax liability by withholding securities incident to the vesting of RSUs. |
| F3 | Includes 647,032 shares of common stock underlying RSUs, all of which have vested (the receipt of which has been deferred) and does not include unvested shares of common stock underlying performance-based RSUs. |