LAZAREWICZ MATTHEW L [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Ownership	Reported
04/26/2010	BEACON POWER CORP	BCON	Grant	Stock Option (Right to Buy)	321.1k	$0.45	$143.2k		04/26/2010
04/26/2010	BEACON POWER CORP	BCON	Disposition	Common Stock	316.5k	$0.00	$0		04/26/2010