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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of all insider trading transactions in THORATEC CORP. Get notifications about new insider transactions in THORATEC CORP for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Feb 10 2006	THOR	THORATEC CORP	CHASE HOWARD E	Director	Sell	S	20.85	1,875	39,094	0	1.9 K to 0 (-100.00 %)
Feb 10 2006	THOR	THORATEC CORP	CHASE HOWARD E	Director	Buy	M	11.06	1,875	20,738	1,875	0 to 1.9 K
Feb 10 2006	THOR	THORATEC CORP	CHASE HOWARD E	Director	Sell	S	20.87	1,875	39,132	0	1.9 K to 0 (-100.00 %)
Feb 10 2006	THOR	THORATEC CORP	CHASE HOWARD E	Director	Buy	M	9.38	1,875	17,578	1,875	0 to 1.9 K
Feb 10 2006	THOR	THORATEC CORP	CHASE HOWARD E	Director	Sell	S	20.83	1,500	31,245	0	1.5 K to 0 (-100.00 %)
Feb 10 2006	THOR	THORATEC CORP	CHASE HOWARD E	Director	Buy	M	5.50	1,500	8,250	1,500	0 to 1.5 K
Feb 06 2006	THOR	THORATEC CORP	GROSSMAN D KEITH	Director	Option Exercise	M	13.97	3,002	41,938	0
Feb 06 2006	THOR	THORATEC CORP	GROSSMAN D KEITH	Director	Option Exercise	M	13.97	32,998	460,982	3,002
Feb 06 2006	THOR	THORATEC CORP	GROSSMAN D KEITH	Director	Option Exercise	M	16.56	160,000	2,649,600	0
Feb 06 2006	THOR	THORATEC CORP	GROSSMAN D KEITH	Director	Option Exercise	M	12.45	75,000	933,750	0
Feb 06 2006	THOR	THORATEC CORP	GROSSMAN D KEITH	Director	Option Exercise	M	12.45	30,000	373,500	75,000
Feb 06 2006	THOR	THORATEC CORP	GROSSMAN D KEITH	Director	Option Exercise	M	12.45	21,000	261,450	105,000
Feb 06 2006	THOR	THORATEC CORP	GROSSMAN D KEITH	Director	Option Exercise	M	8.78	18,000	158,040	0
Feb 06 2006	THOR	THORATEC CORP	GROSSMAN D KEITH	Director	Option Exercise	M	8.78	18,000	158,040	18,000
Feb 06 2006	THOR	THORATEC CORP	GROSSMAN D KEITH	Director	Sell	S	19.06	271,000	5,165,260	58,508	329.5 K to 58.5 K (-82.24 %)
Feb 06 2006	THOR	THORATEC CORP	GROSSMAN D KEITH	Director	Buy	M	13.97	3,002	41,938	329,508	326.5 K to 329.5 K (+0.92 %)
Feb 06 2006	THOR	THORATEC CORP	GROSSMAN D KEITH	Director	Buy	M	13.97	32,998	460,982	326,506	293.5 K to 326.5 K (+11.24 %)
Feb 06 2006	THOR	THORATEC CORP	GROSSMAN D KEITH	Director	Buy	M	16.56	160,000	2,649,600	293,508	133.5 K to 293.5 K (+119.84 %)
Feb 06 2006	THOR	THORATEC CORP	GROSSMAN D KEITH	Director	Buy	M	12.45	75,000	933,750	133,508	58.5 K to 133.5 K (+128.19 %)
Feb 06 2006	THOR	THORATEC CORP	GROSSMAN D KEITH	Director	Sell	S	19.01	30,000	570,300	58,508	88.5 K to 58.5 K (-33.90 %)
Feb 06 2006	THOR	THORATEC CORP	GROSSMAN D KEITH	Director	Buy	M	12.45	30,000	373,500	88,508	58.5 K to 88.5 K (+51.28 %)
Feb 06 2006	THOR	THORATEC CORP	GROSSMAN D KEITH	Director	Sell	S	19.51	124,812	2,435,082	58,508	183.3 K to 58.5 K (-68.08 %)
Feb 06 2006	THOR	THORATEC CORP	GROSSMAN D KEITH	Director	Buy	M	12.45	21,000	261,450	183,320	162.3 K to 183.3 K (+12.94 %)
Feb 06 2006	THOR	THORATEC CORP	GROSSMAN D KEITH	Director	Buy	M	8.78	18,000	158,040	162,320	144.3 K to 162.3 K (+12.47 %)
Feb 06 2006	THOR	THORATEC CORP	GROSSMAN D KEITH	Director	Buy	M	8.78	18,000	158,040	144,320	126.3 K to 144.3 K (+14.25 %)
Feb 06 2006	THOR	THORATEC CORP	GROSSMAN D KEITH	Director	Payment of Exercise	F	19.24	57,188	1,100,297	126,320	183.5 K to 126.3 K (-31.16 %)
Feb 08 2006	THOR	THORATEC CORP	HITCHCOCK WILLIAM M	Director	Option Exercise	M	11.06	1,875	20,738	0
Feb 08 2006	THOR	THORATEC CORP	HITCHCOCK WILLIAM M	Director	Option Exercise	M	9.38	1,875	17,578	0
Feb 08 2006	THOR	THORATEC CORP	HITCHCOCK WILLIAM M	Director	Buy	M	11.06	1,875	20,738	396,165	394.3 K to 396.2 K (+0.48 %)
Feb 08 2006	THOR	THORATEC CORP	HITCHCOCK WILLIAM M	Director	Buy	M	9.38	1,875	17,578	394,290	392.4 K to 394.3 K (+0.48 %)
Feb 02 2006	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Option Exercise	A	24.97	1,000	24,970	1,000
Jan 18 2006	THOR	THORATEC CORP	Burbach Gerhard F	Chief Executive Off ...	Option Exercise	A	23.62	375,000	8,857,500	375,000
Dec 16 2005	THOR	THORATEC CORP	HOLBROOK GEORGE W JR	Director	Sell	S	21.26	1,875	39,863	144,716	146.6 K to 144.7 K (-1.28 %)
Dec 12 2005	THOR	THORATEC CORP	HOLBROOK GEORGE W JR	Director	Sell	S	21.79	1,875	40,856	144,716	146.6 K to 144.7 K (-1.28 %)
Dec 08 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Option Exercise	M	16.56	11,000	182,160	160,000
Dec 08 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Option Exercise	M	16.56	29,000	480,240	171,000
Dec 08 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Option Exercise	M	6.56	500	3,280	0
Dec 08 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Option Exercise	M	10.56	25,500	269,357	0
Dec 08 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Sell	S	21.80	48,000	1,046,160	183,508	231.5 K to 183.5 K (-20.73 %)
Dec 08 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Buy	M	16.56	11,000	182,160	231,508	220.5 K to 231.5 K (+4.99 %)
Dec 08 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Sell	S	21.81	30,812	672,000	220,508	251.3 K to 220.5 K (-12.26 %)
Dec 08 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Sell	S	22.22	55,000	1,222,293	251,320	306.3 K to 251.3 K (-17.96 %)
Dec 08 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Buy	M	16.56	29,000	480,240	306,320	277.3 K to 306.3 K (+10.46 %)
Dec 08 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Buy	M	6.56	500	3,280	277,320	276.8 K to 277.3 K (+0.18 %)
Dec 08 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Buy	M	10.56	25,500	269,357	276,820	251.3 K to 276.8 K (+10.15 %)
Dec 08 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Payment of Exercise	F	22.00	57,188	1,258,136	251,320	308.5 K to 251.3 K (-18.54 %)
Nov 21 2005	THOR	THORATEC CORP	COHEN LAWRENCE	Division President	Option Exercise	M	9.91	5,640	55,892	0
Nov 21 2005	THOR	THORATEC CORP	COHEN LAWRENCE	Division President	Option Exercise	M	9.91	39,000	386,490	5,640
Nov 21 2005	THOR	THORATEC CORP	COHEN LAWRENCE	Division President	Sell	S	19.31	5,640	108,908	4,345	10 K to 4.3 K (-56.48 %)
Nov 21 2005	THOR	THORATEC CORP	COHEN LAWRENCE	Division President	Buy	M	9.91	5,640	55,892	9,985	4.3 K to 10 K (+129.80 %)
Nov 21 2005	THOR	THORATEC CORP	COHEN LAWRENCE	Division President	Sell	S	19.26	39,000	750,945	4,345	43.3 K to 4.3 K (-89.98 %)
Nov 21 2005	THOR	THORATEC CORP	COHEN LAWRENCE	Division President	Buy	M	9.91	39,000	386,490	43,345	4.3 K to 43.3 K (+897.58 %)
Nov 17 2005	THOR	THORATEC CORP	MULVENA DANIEL M	Director	Option Exercise	A	18.99	1,875	35,606	1,875
Nov 17 2005	THOR	THORATEC CORP	MULVENA DANIEL M	Director	Option Exercise	M	13.13	1,875	24,619	0
Nov 17 2005	THOR	THORATEC CORP	MULVENA DANIEL M	Director	Sell	S	19.25	1,875	36,090	0	1.9 K to 0 (-100.00 %)
Nov 17 2005	THOR	THORATEC CORP	MULVENA DANIEL M	Director	Buy	M	13.13	1,875	24,619	1,875	0 to 1.9 K
Nov 17 2005	THOR	THORATEC CORP	HITCHCOCK WILLIAM M	Director	Option Exercise	A	18.99	1,875	35,606	1,875
Nov 17 2005	THOR	THORATEC CORP	HOLBROOK GEORGE W JR	Director	Option Exercise	A	18.99	1,875	35,606	1,875
Nov 17 2005	THOR	THORATEC CORP	HILL J DONALD	Director	Option Exercise	A	18.99	1,875	35,606	1,875
Nov 17 2005	THOR	THORATEC CORP	HILL J DONALD	Director	Option Exercise	M	13.13	1,875	24,619	0
Nov 17 2005	THOR	THORATEC CORP	HILL J DONALD	Director	Sell	S	18.99	1,875	35,606	904,295	906.2 K to 904.3 K (-0.21 %)
Nov 17 2005	THOR	THORATEC CORP	HILL J DONALD	Director	Buy	M	13.13	1,875	24,619	906,170	904.3 K to 906.2 K (+0.21 %)
Nov 17 2005	THOR	THORATEC CORP	DIMICK NEIL F	Director	Option Exercise	A	18.99	1,875	35,606	1,875
Nov 17 2005	THOR	THORATEC CORP	CHASE HOWARD E	Director	Option Exercise	A	18.99	1,875	35,606	1,875
Nov 17 2005	THOR	THORATEC CORP	CHASE HOWARD E	Director	Option Exercise	M	13.13	1,875	24,619	0
Nov 17 2005	THOR	THORATEC CORP	CHASE HOWARD E	Director	Sell	S	18.99	1,875	35,606	0	1.9 K to 0 (-100.00 %)
Nov 17 2005	THOR	THORATEC CORP	CHASE HOWARD E	Director	Buy	M	13.13	1,875	24,619	1,875	0 to 1.9 K
Nov 17 2005	THOR	THORATEC CORP	COLE J DANIEL	Director	Option Exercise	A	18.99	1,875	35,606	1,875
Nov 16 2005	THOR	THORATEC CORP	HOLBROOK GEORGE W JR	Director	Option Exercise	M	13.13	1,875	24,619	0
Nov 16 2005	THOR	THORATEC CORP	HOLBROOK GEORGE W JR	Director	Buy	M	13.13	1,875	24,619	146,591	144.7 K to 146.6 K (+1.30 %)
Nov 10 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Option Exercise	M	9.38	47,336	443,775	0
Nov 10 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Option Exercise	M	9.38	42,664	399,975	0
Nov 10 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Option Exercise	M	10.56	12,000	126,756	25,500
Nov 10 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Option Exercise	M	10.56	52,500	554,558	37,500
Nov 10 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Option Exercise	M	8.25	12,121	99,998	0
Nov 10 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Option Exercise	M	8.25	40,879	337,252	0
Nov 10 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Option Exercise	M	8.25	67,000	552,750	40,879
Nov 10 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Sell	S	19.50	102,000	1,989,000	308,508	410.5 K to 308.5 K (-24.85 %)
Nov 10 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Buy	M	9.38	47,336	443,775	410,508	363.2 K to 410.5 K (+13.03 %)
Nov 10 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Buy	M	9.38	42,664	399,975	363,172	320.5 K to 363.2 K (+13.31 %)
Nov 10 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Buy	M	10.56	12,000	126,756	320,508	308.5 K to 320.5 K (+3.89 %)
Nov 10 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Sell	S	19.50	105,500	2,057,250	308,508	414 K to 308.5 K (-25.48 %)
Nov 10 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Buy	M	10.56	52,500	554,558	414,008	361.5 K to 414 K (+14.52 %)
Nov 10 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Buy	M	8.25	12,121	99,998	361,508	349.4 K to 361.5 K (+3.47 %)
Nov 10 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Buy	M	8.25	40,879	337,252	349,387	308.5 K to 349.4 K (+13.25 %)
Nov 10 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Sell	S	19.59	67,000	1,312,329	308,508	375.5 K to 308.5 K (-17.84 %)
Nov 10 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Buy	M	8.25	67,000	552,750	375,508	308.5 K to 375.5 K (+21.72 %)
Nov 08 2005	THOR	THORATEC CORP	COLE J DANIEL	Director	Option Exercise	M	13.13	938	12,316	0
Nov 08 2005	THOR	THORATEC CORP	COLE J DANIEL	Director	Sell	S	19.61	138	2,706	13,125	13.3 K to 13.1 K (-1.04 %)
Nov 08 2005	THOR	THORATEC CORP	COLE J DANIEL	Director	Sell	S	19.61	800	15,688	13,263	14.1 K to 13.3 K (-5.69 %)
Nov 08 2005	THOR	THORATEC CORP	COLE J DANIEL	Director	Buy	M	13.13	938	12,316	14,063	13.1 K to 14.1 K (+7.15 %)
Nov 04 2005	THOR	THORATEC CORP	HOLBROOK GEORGE W JR	Director	Option Exercise	J	0.00	1	0	1
Nov 01 2005	THOR	THORATEC CORP	HITCHCOCK WILLIAM M	Director	Option Exercise	M	13.13	1,875	24,619	0
Nov 01 2005	THOR	THORATEC CORP	HITCHCOCK WILLIAM M	Director	Buy	M	13.13	1,875	24,619	392,415	390.5 K to 392.4 K (+0.48 %)
Sep 06 2005	THOR	THORATEC CORP	Lucchese Cynthia L	Chief Financial Off ...	Option Exercise	A	16.29	100,000	1,629,000	100,000
Aug 18 2005	THOR	THORATEC CORP	HOLBROOK GEORGE W JR	Director	Option Exercise	A	15.45	1,875	28,969	1,875
Aug 18 2005	THOR	THORATEC CORP	MULVENA DANIEL M	Director	Option Exercise	A	15.45	1,875	28,969	1,875
Aug 18 2005	THOR	THORATEC CORP	HITCHCOCK WILLIAM M	Director	Option Exercise	A	15.45	1,875	28,969	1,875
Aug 18 2005	THOR	THORATEC CORP	DIMICK NEIL F	Director	Option Exercise	A	15.45	1,875	28,969	1,875
Aug 18 2005	THOR	THORATEC CORP	HILL J DONALD	Director	Option Exercise	A	15.45	1,875	28,969	1,875
Aug 18 2005	THOR	THORATEC CORP	COLE J DANIEL	Director	Option Exercise	A	15.45	1,875	28,969	1,875
Aug 18 2005	THOR	THORATEC CORP	CHASE HOWARD E	Director	Option Exercise	A	15.45	1,875	28,969	1,875
Jun 02 2005	THOR	THORATEC CORP	COHEN LAWRENCE	Division President	Option Exercise	M	9.91	40,360	399,968	44,640
Jun 02 2005	THOR	THORATEC CORP	COHEN LAWRENCE	Division President	Sell	S	14.90	40,360	601,364	4,345	44.7 K to 4.3 K (-90.28 %)
Jun 02 2005	THOR	THORATEC CORP	COHEN LAWRENCE	Division President	Buy	M	9.91	40,360	399,968	44,705	4.3 K to 44.7 K (+928.88 %)
May 31 2005	THOR	THORATEC CORP	HOLBROOK GEORGE W JR	Director	Sell	S	14.98	1,875	28,088	144,716	146.6 K to 144.7 K (-1.28 %)
May 25 2005	THOR	THORATEC CORP	MULVENA DANIEL M	Director	Option Exercise	A	14.91	1,875	27,956	1,875
May 25 2005	THOR	THORATEC CORP	HOLBROOK GEORGE W JR	Director	Option Exercise	A	14.91	1,875	27,956	1,875
May 25 2005	THOR	THORATEC CORP	HITCHCOCK WILLIAM M	Director	Option Exercise	A	14.91	1,875	27,956	1,875
May 25 2005	THOR	THORATEC CORP	HILL J DONALD	Director	Option Exercise	A	14.91	1,875	27,956	1,875
May 25 2005	THOR	THORATEC CORP	COLE J DANIEL	Director	Option Exercise	A	14.91	1,875	27,956	1,875
May 25 2005	THOR	THORATEC CORP	DIMICK NEIL F	Director	Option Exercise	A	14.91	1,875	27,956	1,875
May 25 2005	THOR	THORATEC CORP	CHASE HOWARD E	Director	Option Exercise	A	14.91	1,875	27,956	1,875
May 24 2005	THOR	THORATEC CORP	NELSON JEFFREY	Division President	Option Exercise	M	5.79	15,371	88,998	9,629
May 24 2005	THOR	THORATEC CORP	NELSON JEFFREY	Division President	Option Exercise	M	5.79	13,911	80,545	92,271
May 24 2005	THOR	THORATEC CORP	NELSON JEFFREY	Division President	Option Exercise	M	5.79	43,818	253,706	106,182
May 24 2005	THOR	THORATEC CORP	NELSON JEFFREY	Division President	Sell	S	14.93	29,282	437,180	0	29.3 K to 0 (-100.00 %)
May 24 2005	THOR	THORATEC CORP	NELSON JEFFREY	Division President	Buy	M	5.79	13,911	80,545	29,282	15.4 K to 29.3 K (+90.50 %)
May 24 2005	THOR	THORATEC CORP	NELSON JEFFREY	Division President	Buy	M	5.79	15,371	88,998	15,371	0 to 15.4 K
May 24 2005	THOR	THORATEC CORP	NELSON JEFFREY	Division President	Sell	S	15.12	43,818	662,528	0	43.8 K to 0 (-100.00 %)
May 24 2005	THOR	THORATEC CORP	NELSON JEFFREY	Division President	Buy	M	5.79	43,818	253,706	43,818	0 to 43.8 K
May 12 2005	THOR	THORATEC CORP	MULVENA DANIEL M	Director	Sell	S	14.15	3,750	53,063	0	3.8 K to 0 (-100.00 %)
May 19 2005	THOR	THORATEC CORP	CHASE HOWARD E	Director	Sell	S	15.23	5,718	87,085	0	5.7 K to 0 (-100.00 %)
May 12 2005	THOR	THORATEC CORP	CHASE HOWARD E	Director	Option Exercise	M	11.63	1,875	21,797	0
May 12 2005	THOR	THORATEC CORP	CHASE HOWARD E	Director	Sell	S	14.13	1,875	26,494	5,718	7.6 K to 5.7 K (-24.69 %)
May 12 2005	THOR	THORATEC CORP	CHASE HOWARD E	Director	Buy	M	11.63	1,875	21,797	7,593	5.7 K to 7.6 K (+32.79 %)
May 11 2005	THOR	THORATEC CORP	HILL J DONALD	Director	Option Exercise	M	11.63	1,875	21,797	0
May 11 2005	THOR	THORATEC CORP	HILL J DONALD	Director	Sell	S	13.54	1,875	25,388	904,295	906.2 K to 904.3 K (-0.21 %)
May 11 2005	THOR	THORATEC CORP	HILL J DONALD	Director	Buy	M	11.63	1,875	21,797	906,170	904.3 K to 906.2 K (+0.21 %)
May 05 2005	THOR	THORATEC CORP	COLE J DANIEL	Director	Option Exercise	M	11.63	938	10,904	0
May 05 2005	THOR	THORATEC CORP	COLE J DANIEL	Director	Sell	S	13.00	938	12,196	13,125	14.1 K to 13.1 K (-6.67 %)
May 05 2005	THOR	THORATEC CORP	COLE J DANIEL	Director	Buy	M	11.63	938	10,904	14,063	13.1 K to 14.1 K (+7.15 %)
May 11 2005	THOR	THORATEC CORP	MULVENA DANIEL M	Director	Option Exercise	M	11.63	1,875	21,797	0
May 11 2005	THOR	THORATEC CORP	MULVENA DANIEL M	Director	Buy	M	11.63	1,875	21,797	3,750	1.9 K to 3.8 K (+100.00 %)
May 09 2005	THOR	THORATEC CORP	HOLBROOK GEORGE W JR	Director	Option Exercise	M	11.63	1,875	21,797	0
May 09 2005	THOR	THORATEC CORP	HOLBROOK GEORGE W JR	Director	Sell	S	13.76	100,000	1,376,000	146,591	246.6 K to 146.6 K (-40.55 %)
May 09 2005	THOR	THORATEC CORP	HOLBROOK GEORGE W JR	Director	Buy	M	11.63	1,875	21,797	246,591	244.7 K to 246.6 K (+0.77 %)
May 04 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Option Exercise	M	6.38	42,158	268,757	0
May 04 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Option Exercise	M	6.00	8,334	50,004	0
May 04 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Option Exercise	M	5.00	121,608	608,040	0
May 04 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Option Exercise	M	5.00	43,725	218,625	121,608
May 04 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Sell	S	13.00	172,100	2,237,300	308,508	480.6 K to 308.5 K (-35.81 %)
May 04 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Buy	M	6.38	42,158	268,757	480,608	438.5 K to 480.6 K (+9.62 %)
May 04 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Buy	M	6.00	8,334	50,004	438,450	430.1 K to 438.5 K (+1.94 %)
May 04 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Buy	M	5.00	121,608	608,040	430,116	308.5 K to 430.1 K (+39.42 %)
May 04 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Sell	S	13.00	43,725	568,425	308,508	352.2 K to 308.5 K (-12.41 %)
May 04 2005	THOR	THORATEC CORP	GROSSMAN D KEITH	Chief Executive Off ...	Buy	M	5.00	43,725	218,625	352,233	308.5 K to 352.2 K (+14.17 %)
May 03 2005	THOR	THORATEC CORP	HOLBROOK GEORGE W JR	Director	Sell	S	13.00	89,176	1,159,297	244,716	333.9 K to 244.7 K (-26.71 %)
May 03 2005	THOR	THORATEC CORP	HOLBROOK GEORGE W JR	Director	Sell	S	13.00	10,824	140,712	333,892	344.7 K to 333.9 K (-3.14 %)
May 03 2005	THOR	THORATEC CORP	HITCHCOCK WILLIAM M	Director	Option Exercise	M	11.63	1,875	21,797	0

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