1 EXHIBIT 4 COMMON STOCK COMMON STOCK SHARES THIS CERTIFICATE IS TRANSFERABLE IN THE CITIES OF BOSTON OR NEW YORK CUSIP 140673 10 4 INCORPORATED UNDER THE LAWS SEE REVERSE FOR CERTAIN DEFINITIONS OF THE STATE OF DELAWARE AND RESTRICTIONS CAPSURE HOLDINGS CORP. THIS CERTIFIES THAT IS THE OWNER OF FULLY PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK, $.05 PAR VALUE, OF Capsure Holdings Corp. transferable on the books of the Corporation in person or by duly authorized Attorney upon surrender of this Certificate properly endorsed. This Certificate is not valid unless countersigned and registered by the Transfer Agent and Registrar. Witness the seal of the Corporation and the signatures of its duly authorized officers. Dated: COUNTERSIGNED AND REGISTERED: THE FIRST NATIONAL BANK OF BOSTON TRANSFER AGENT AND REGISTRAR BY [SIG] [SIG] AUTHORIZED OFFICER SECRETARY PRESIDENT