SPIEZIO JAMES M [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Reported
03/04/2011	BEACON POWER CORP	BCON	Grant	Stock Option (Right to Buy)	81.5k	$2.78	$226.6k	03/04/2011
04/26/2010	BEACON POWER CORP	BCON	Disposition	Common Stock	316.5k	$0.00	$0	04/26/2010
04/26/2010	BEACON POWER CORP	BCON	Grant	Stock Option (Right to Buy)	357.7k	$0.45	$159.5k	04/26/2010