BERKLEY W R CORP 4

EVP – Investments James G. Shiel received 14,086 shares from RSU vesting and had 650 shares withheld for taxes in W. R. Berkley Corporation (WRB) common stock.

On August 3, 2026, James G. Shiel, EVP – Investments of W. R. Berkley Corporation, had 14,086 shares of performance-based RSUs vest pursuant to awards granted in 2021, 2022 and 2023 under the company’s 2018 Stock Incentive Plan, increasing his directly held common stock to 811,283 shares before tax withholding. In connection with this vesting, 650 shares of common stock were withheld at approximately $72.29 per share to satisfy tax liabilities, resulting in net direct ownership of 810,633 shares, plus an additional 208,000 shares held indirectly by a 2022 SLAT. The RSU vesting is characterized as routine equity compensation for long-term performance, and the filing notes that his holdings include 660,468 vested RSU-based shares whose receipt has been deferred and excludes unvested performance-based RSUs.

Filing Facts

CIK

11544

Ticker

WRB

Form

4

Source Type

sec

Accession

0000011544-26-000041

Alert Tier

5