WALKER STEPHEN NICHOLAS [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Ownership	Reported
10/16/2007	SP Acquisition Holdings, Inc.	DSP	Grant	Insider Warrant (right to buy)	100k	$7.50	$750k		10/16/2007
08/01/2007	CRG Liquidation CO	CRNS	Exercise	Stock Option	126	$3.58	$450.7		08/01/2007
08/01/2007	CRG Liquidation CO	CRNS	Exercise	Stock Option	15k	$4.39	$65.9k		08/01/2007
08/01/2007	CRG Liquidation CO	CRNS	Exercise	Stock Option	15k	$4.30	$64.5k		08/01/2007
08/01/2007	CRG Liquidation CO	CRNS	Exercise	Stock Option	15k	$4.09	$61.4k		08/01/2007
08/01/2007	CRG Liquidation CO	CRNS	Other (disposition)	Common Shares	1.4M	$16.00	$22M	See foonotes (11), (12) and (13).	08/01/2007
08/01/2007	CRG Liquidation CO	CRNS	Disposition	Common Shares	72.6k	$16.00	$1.2M		08/01/2007
08/01/2007	CRG Liquidation CO	CRNS	Payment of Exercise	Common Shares	12k	$16.00	$192.2k		08/01/2007
01/10/2007	CRG Liquidation CO	CRNS	Grant	Common Shares	17	$15.31	$260.3		01/02/2007
01/02/2007	CRG Liquidation CO	CRNS	Grant	Common Shares	1.1k	$0.00	$0		01/02/2007
10/13/2006	CRG Liquidation CO	CRNS	Grant	Common Shares	14	$12.63	$176.8		07/13/2006
09/30/2006	CRG Liquidation CO	CRNS	Grant	Common Shares	1.2k	$0.00	$0		07/13/2006
07/13/2006	CRG Liquidation CO	CRNS	Grant	Common Shares	7	$11.52	$80.6		07/13/2006
07/07/2006	CRG Liquidation CO	CRNS	Grant	Common Shares	1.3k	$0.00	$0		07/07/2006
06/09/2006	CRG Liquidation CO	CRNS	Grant	Common Shares	1.5k	$0.00	$0		06/09/2006
04/03/2006	CRG Liquidation CO	CRNS	Grant	Common Shares	1.2k	$0.00	$0		04/03/2006
07/15/2005	CRG Liquidation CO	CRNS	Grant	Common Shares	1.5k	$0.00	$0		07/15/2005
05/04/2004	CRG Liquidation CO	CRNS	Purchase	Common Shares	8k	$5.95	$47.6k	See Footnotes (1), (2) and (3).	05/03/2004
05/03/2004	CRG Liquidation CO	CRNS	Purchase	Common Shares	8k	$6.03	$48.3k	See Footnotes (1), (2) and (3).	05/03/2004