M John Pasquesi

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
ACGL	$34.26	99,393	$3,404,945.76	636,307	2011-07-27	Filing
ACGL	$34.59	130,503	$4,514,385.88	90,119	2011-05-20	Filing
ACGL	$34.50	7,600	$262,237.24	220,622	2011-05-19	Filing
ACGL	$34.50	36,297	$1,252,250.13	228,222	2011-05-18	Filing
ACGL	$34.47	203,487	$7,013,973.05	264,519	2011-05-16	Filing
ACGL	$34.31	296,513	$10,173,568.59	468,006	2011-05-13	Filing
ACGL	$34.29	446,513	$15,312,895.43	318,006	2011-05-13	Filing
ACGL	$89.23	46,254	$4,127,193.54	10,922	2010-12-15	Filing
ACGL	$88.86	39,137	$3,477,576.84	57,176	2010-12-15	Filing