S Ira Lederman

Insider Trading: Sales

Company	Symbol	Price	Amount	Relationship	Remaining Holdings	Date	Form 4
Berkley W R Corp	WRB	$37.37	7,911	Officer	65,886	2012-12-31	Filing
Berkley W R Corp	WRB	$37.37	7,911	Officer	58,791	2012-12-31	Filing
Berkley W R Corp	WRB	$35.82	20,660	Officer	165,044	2012-03-19	Filing