TORSIELLO MARIO [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Reported
05/01/2013	ALTERRA CAPITAL HOLDINGS Ltd	ALTE	Disposition	Options (right to buy shares)	2k	$19.45	$38.9k	05/01/2013
05/01/2013	ALTERRA CAPITAL HOLDINGS Ltd	ALTE	Disposition	Common Shares	17.3k	$0.00	$0	05/01/2013
09/27/2011	ALTERRA CAPITAL HOLDINGS Ltd	ALTE	Other (disposition)	Common Shares	24k	$19.62	$470.9k	09/27/2011
08/04/2010	ALTERRA CAPITAL HOLDINGS Ltd	ALTE	Grant	Common Shares	4k	$0.00	$0	08/04/2010
05/21/2010	ALTERRA CAPITAL HOLDINGS Ltd	ALTE	Exercise	Non-Employee Director Stock Option (right to buy)	10k	$15.00	$150k	05/21/2010