SEC Form 4 Filing Summary

Daniel Lynn Mosley, a director at W. R. Berkley Corporation (WRB), acquired 3090 shares of common stock on June 3, 2026, at a price of $0 per share. This acquisition was made under the W. R. Berkley Corporation 2009 Directors Stock Plan. Following this transaction, Mosley now holds a total of 14885 shares of common stock, all of which are directly owned.