X0304 4/A 2011-06-22 2011-06-24 0 0001348259 VALIDUS HOLDINGS LTD VR 0001407205 Mercer Stuart W. 48 PAR-LA-VILLE ROAD SUITE 1790 HAMILTON D0 HM11 BERMUDA 0 1 0 0 Executive Vice President Common Stock 2011-06-22 4 M 0 86614 17.50 A 255523 D Common Stock 2011-06-22 4 S 0 86614 30.30 D 163650 D Common Stock 2011-06-23 4 M 0 50000 17.50 A 218909 D Common Stock 2011-06-23 4 S 0 50000 29.80 D 163650 D Options 17.50 2011-06-22 4 M 0 86614 0.00 D 2006-11-15 2015-11-15 Common Shares 86614 100000 D Options 17.50 2011-06-23 4 M 0 50000 0.00 D 2006-11-15 2015-11-15 Common Shares 50000 50000 D These shares of common stock were sold at prices between $30.18 and $30.36. The reporting person will provide upon request by the SEC staff, the Issuer, or any security holder of the Issuer full information regarding the number of shares sold at each separate price. This amendment is being filed in order to correct amount of securities beneficially owned previously filed. /s/ Stuart W. Mercer 2012-03-09