BERKLEY W R CORP 4

Director Marie A. Mattson received an award of 3,090 shares of W. R. Berkley Corporation common stock as director compensation, increasing her direct holdings to 9,667 shares.

On June 3, 2026, director Marie A. Mattson received an equity award of 3,090 shares of W. R. Berkley Corporation common stock under the company’s 2009 Directors Stock Plan. The shares were acquired at no cash cost to Mattson (reported price of $0), reflecting a routine director compensation grant rather than an open‑market purchase or sale. Following this award, her direct ownership increased to 9,667 shares of common stock, which, using the contemporaneous share price of approximately $66.18, represents an equity stake valued at roughly $640,000. No shares were sold or disposed of in this filing.

Filing Facts

CIK

11544

Ticker

WRB

Form

4

Source Type

sec

Accession

0001193125-26-257685

Alert Tier

5