Insider Trading activities of Thoratec Corp insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Thoratec Corp since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Thoratec Corp since year 2005. Table 2 shows the detailed insider transactions of Thoratec Corp since 2005. The reporting company's ticker symbol is THOR. The reporting company's CIK number is 350907.
The total value of stock buying since 2005 is $19,400.
The total value of stock sales since 2005 is $80,011,016.
The total value of stock option exercises since 2005 is $23,957,906.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Thoratec Corp (THOR).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2015-05 0 $0 13,841 $621,499 0 $0
2015-04 0 $0 4,786 $205,798 0 $0
2014-12 0 $0 5,000 $159,130 0 $0
2014-05 0 $0 10,806 $341,325 0 $0
2014-03 0 $0 22,104 $807,525 22,104 $522,096
2014-02 0 $0 30,000 $1,059,315 30,000 $708,600
2014-01 0 $0 43,000 $1,590,402 40,000 $944,800
2013-12 0 $0 40,000 $1,526,160 40,000 $944,800
2013-11 0 $0 120,000 $4,999,840 120,000 $2,834,400
2013-10 0 $0 153,162 $6,145,352 136,000 $3,120,958
2013-05 0 $0 5,023 $163,119 0 $0
2013-01 0 $0 13,125 $499,498 13,125 $266,962
2012-12 0 $0 18,775 $704,511 8,775 $167,821
2012-11 0 $0 19,000 $721,856 12,500 $223,875
2012-10 0 $0 12,300 $444,165 8,376 $104,281
2012-09 0 $0 4,924 $174,194 4,924 $74,470
2012-07 0 $0 58,759 $2,101,067 47,500 $685,875
2012-05 0 $0 59,534 $2,010,926 0 $0
2011-10 0 $0 2,896 $110,050 2,896 $68,403
2011-08 0 $0 6,000 $204,081 0 $0
2011-06 0 $0 875 $26,288 0 $0
2011-05 0 $0 33,125 $1,159,809 30,000 $537,300
2011-04 0 $0 3,000 $93,420 0 $0
2011-01 0 $0 2,000 $60,046 0 $0
2010-11 0 $0 1,000 $33,407 0 $0
2010-10 0 $0 1,000 $36,714 0 $0
2010-09 0 $0 1,000 $32,692 0 $0
2010-08 0 $0 1,000 $37,326 0 $0
2010-07 0 $0 1,000 $42,303 0 $0
2010-06 0 $0 213,921 $9,514,662 155,857 $2,279,250
2010-05 0 $0 161,702 $6,766,494 104,014 $1,611,043
2010-03 0 $0 40,000 $1,300,000 40,000 $498,000
2010-02 0 $0 0 $0 3,750 $44,250
2009-11 0 $0 0 $0 1,875 $20,006
2009-10 0 $0 0 $0 1,875 $20,006
2009-09 0 $0 20,000 $565,000 20,000 $264,200
2009-08 0 $0 15,000 $413,313 3,750 $37,500
2009-05 0 $0 0 $0 3,750 $54,224
2009-02 0 $0 0 $0 5,625 $72,000
2008-11 0 $0 510,000 $11,383,710 1,875 $27,731
2008-10 0 $0 100,000 $2,542,000 5,625 $83,193
2008-09 0 $0 206,875 $5,797,567 0 $0
2008-08 0 $0 101,975 $2,522,563 94,182 $1,244,858
2008-05 0 $0 8,750 $141,941 13,125 $152,290
2008-02 0 $0 1,875 $28,533 3,750 $32,212
2007-11 0 $0 0 $0 3,750 $34,836
2007-08 1,000 $19,400 13,125 $261,792 13,125 $185,231
2007-05 0 $0 53,125 $965,868 60,000 $472,104
2007-02 0 $0 6,875 $134,901 18,125 $219,305
2007-01 0 $0 50,000 $911,325 50,000 $289,499
2006-11 0 $0 3,333 $48,928 3,333 $30,830
2006-09 0 $0 3,500 $50,330 3,500 $19,250
2006-05 0 $0 3,750 $57,068 9,375 $103,685
2006-02 0 $0 436,687 $8,394,501 374,500 $4,957,762
2005-12 0 $0 3,750 $80,718 0 $0
2005-05 0 $0 111,343 $1,468,234 0 $0
2005-03 0 $0 50,000 $549,750 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Thoratec Corp insiders (THOR)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2015-05-26 Dimick Neil F Sale 2,668 45.67 121,858
2015-05-21 Dimick Neil F Sale 5,505 44.74 246,293
2015-05-15 Laviolette Paul A Sale 5,668 44.70 253,348
2015-04-10 Dimick Neil F Sale 4,786 43.00 205,798
2014-12-04 Cole J Daniel Sale 5,000 31.83 159,130
2014-05-27 Dimick Neil F Sale 636 32.43 20,625
2014-05-23 Dimick Neil F Sale 697 32.01 22,310
2014-05-22 Dimick Neil F Sale 2,825 32.12 90,727
2014-05-19 Dimick Neil F Sale 625 31.35 19,595
2014-05-15 Laviolette Paul A Sale 6,023 31.22 188,068
2014-03-10 Burbach Gerhard F (Chief Executive Officer) Sale 22,104 36.53 807,525
2014-03-10 Burbach Gerhard F (Chief Executive Officer) Option Ex 22,104 23.62 522,096
2014-02-27 Burbach Gerhard F (Chief Executive Officer) Sale 5,000 37.00 185,015
2014-02-27 Burbach Gerhard F (Chief Executive Officer) Option Ex 5,000 23.62 118,100
2014-02-12 Burbach Gerhard F (Chief Executive Officer) Sale 5,000 36.01 180,030
2014-02-12 Burbach Gerhard F (Chief Executive Officer) Option Ex 5,000 23.62 118,100
2014-02-11 Burbach Gerhard F (Chief Executive Officer) Sale 5,000 35.03 175,165
2014-02-11 Burbach Gerhard F (Chief Executive Officer) Option Ex 5,000 23.62 118,100
2014-02-10 Burbach Gerhard F (Chief Executive Officer) Sale 15,000 34.61 519,105
2014-02-10 Burbach Gerhard F (Chief Executive Officer) Option Ex 15,000 23.62 354,300
2014-01-15 Burbach Gerhard F (Chief Executive Officer) Sale 9,400 38.10 358,140
2014-01-15 Burbach Gerhard F (Chief Executive Officer) Option Ex 9,400 23.62 222,028
2014-01-14 Burbach Gerhard F (Chief Executive Officer) Sale 600 38.00 22,800
2014-01-14 Burbach Gerhard F (Chief Executive Officer) Option Ex 600 23.62 14,172
2014-01-10 Burbach Gerhard F (Chief Executive Officer) Sale 30,000 36.70 1,100,940
2014-01-10 Burbach Gerhard F (Chief Executive Officer) Option Ex 30,000 23.62 708,600
2014-01-02 Laviolette Paul A Sale 3,000 36.17 108,522
2013-12-10 Burbach Gerhard F (Chief Executive Officer) Sale 40,000 38.15 1,526,160
2013-12-10 Burbach Gerhard F (Chief Executive Officer) Option Ex 40,000 23.62 944,800
2013-11-14 Burbach Gerhard F (Chief Executive Officer) Sale 20,000 43.00 860,040
2013-11-14 Burbach Gerhard F (Chief Executive Officer) Option Ex 20,000 23.62 472,400
2013-11-12 Burbach Gerhard F (Chief Executive Officer) Sale 20,000 42.01 840,200
2013-11-12 Burbach Gerhard F (Chief Executive Officer) Option Ex 20,000 23.62 472,400
2013-11-11 Burbach Gerhard F (Chief Executive Officer) Sale 80,000 41.24 3,299,600
2013-11-11 Burbach Gerhard F (Chief Executive Officer) Option Ex 80,000 23.62 1,889,600
2013-10-31 Burbach Gerhard F (Chief Executive Officer) Sale 55,000 42.20 2,321,275
2013-10-31 Burbach Gerhard F (Chief Executive Officer) Option Ex 55,000 23.62 1,299,100
2013-10-31 Mulvena Daniel M Sale 11,273 41.74 470,557
2013-10-28 Burbach Gerhard F (Chief Executive Officer) Sale 4,787 40.07 191,829
2013-10-28 Burbach Gerhard F (Chief Executive Officer) Option Ex 4,787 23.62 113,068
2013-10-25 Burbach Gerhard F (Chief Executive Officer) Sale 10,213 40.00 408,520
2013-10-25 Burbach Gerhard F (Chief Executive Officer) Option Ex 10,213 23.62 241,231
2013-10-17 Burbach Gerhard F (Chief Executive Officer) Sale 730 39.00 28,470
2013-10-17 Burbach Gerhard F (Chief Executive Officer) Option Ex 730 23.62 17,242
2013-10-16 Burbach Gerhard F (Chief Executive Officer) Sale 8,870 39.00 345,965
2013-10-16 Burbach Gerhard F (Chief Executive Officer) Option Ex 8,870 23.62 209,509
2013-10-14 Burbach Gerhard F (Chief Executive Officer) Sale 400 39.05 15,619
2013-10-14 Burbach Gerhard F (Chief Executive Officer) Option Ex 400 23.62 9,448
2013-10-11 Lehman David Aaron (SVP and General Counsel) Sale 21,889 38.17 835,437
2013-10-11 Lehman David Aaron (SVP and General Counsel) Option Ex 16,000 17.91 286,560
2013-10-10 Burbach Gerhard F (Chief Executive Officer) Sale 40,000 38.19 1,527,680
2013-10-10 Burbach Gerhard F (Chief Executive Officer) Option Ex 40,000 23.62 944,800
2013-05-28 Dimick Neil F Sale 1,273 31.58 40,200
2013-05-20 Dimick Neil F Sale 1,250 31.61 39,508
2013-05-20 Finney Elisha W Sale 625 31.64 19,774
2013-05-13 Dimick Neil F Sale 1,250 33.93 42,416
2013-05-13 Finney Elisha W Sale 625 33.95 21,221
2013-01-02 Lehman David Aaron (SVP and General Counsel) Sale 13,125 38.06 499,498
2013-01-02 Lehman David Aaron (SVP and General Counsel) Option Ex 13,125 20.34 266,962
2012-12-27 Lehman David Aaron (SVP and General Counsel) Sale 8,775 37.41 328,281
2012-12-27 Lehman David Aaron (SVP and General Counsel) Option Ex 8,775 19.12 167,821
2012-12-06 Grossman D Keith Sale 10,000 37.62 376,230
2012-11-28 Mulvena Daniel M Sale 2,500 37.64 94,105
2012-11-27 Cole J Daniel Sale 4,000 37.92 151,680
2012-11-26 Burbach Gerhard F (Chief Executive Officer) Sale 6,600 38.15 251,803
2012-11-26 Burbach Gerhard F (Chief Executive Officer) Option Ex 6,600 17.91 118,206
2012-11-23 Burbach Gerhard F (Chief Executive Officer) Sale 5,000 38.01 190,050
2012-11-23 Burbach Gerhard F (Chief Executive Officer) Option Ex 5,000 17.91 89,550
2012-11-02 Burbach Gerhard F (Chief Executive Officer) Sale 900 38.02 34,218
2012-11-02 Burbach Gerhard F (Chief Executive Officer) Option Ex 900 17.91 16,119
2012-10-04 Lehman David Aaron (SVP and General Counsel) Sale 12,300 36.11 444,165
2012-10-04 Lehman David Aaron (SVP and General Counsel) Option Ex 8,376 12.45 104,281
2012-09-07 Lehman David Aaron (SVP and General Counsel) Sale 1,624 36.01 58,473
2012-09-07 Lehman David Aaron (SVP and General Counsel) Option Ex 1,624 12.45 20,218
2012-09-06 Oulman Roxanne (VP of Finance, Interim CFO) Sale 3,300 35.07 115,721
2012-09-06 Oulman Roxanne (VP of Finance, Interim CFO) Option Ex 3,300 16.44 54,252
2012-07-17 Lehman David Aaron (SVP and General Counsel) Sale 14,037 36.00 505,360
2012-07-17 Lehman David Aaron (SVP and General Counsel) Option Ex 10,000 12.45 124,500
2012-07-17 Burbach Gerhard F (Chief Executive Officer) Sale 37,500 36.00 1,350,075
2012-07-17 Burbach Gerhard F (Chief Executive Officer) Option Ex 37,500 14.97 561,375
2012-07-03 Burbach Gerhard F (Chief Executive Officer) Sale 3,400 34.00 115,600
2012-07-02 Burbach Gerhard F (Chief Executive Officer) Sale 3,822 34.02 130,032
2012-05-25 Dimick Neil F Sale 1,273 31.47 40,066
2012-05-25 Finney Elisha W Sale 637 31.47 20,048
2012-05-21 Dimick Neil F Sale 2,500 31.34 78,347
2012-05-21 Finney Elisha W Sale 1,250 31.34 39,176
2012-05-14 Dimick Neil F Sale 1,250 32.62 40,773
2012-05-14 Finney Elisha W Sale 625 32.62 20,384
2012-05-09 Cole J Daniel Sale 4,500 32.55 146,475
2012-05-03 Oulman Roxanne (VP of Finance, Interim CFO) Sale 2,876 34.18 98,301
2012-05-03 Burbach Gerhard F (Chief Executive Officer) Sale 44,623 34.23 1,527,356
2011-10-28 Burbach Gerhard F (Chief Executive Officer) Sale 2,896 38.00 110,050
2011-10-28 Burbach Gerhard F (Chief Executive Officer) Option Ex 2,896 23.62 68,403
2011-08-31 Cole J Daniel Sale 3,000 34.22 102,660
2011-08-30 Collis Steven H Sale 3,000 33.81 101,421
2011-06-20 Finney Elisha W Sale 875 30.04 26,288
2011-05-23 Finney Elisha W Sale 625 34.67 21,667
2011-05-20 Dimick Neil F Sale 625 35.66 22,285
2011-05-20 Finney Elisha W Sale 625 35.66 22,285
2011-05-19 Burbach Gerhard F (Chief Executive Officer) Sale 30,000 35.05 1,051,440
2011-05-19 Burbach Gerhard F (Chief Executive Officer) Option Ex 30,000 17.91 537,300
2011-05-19 Dimick Neil F Sale 250 35.00 8,750
2011-05-18 Dimick Neil F Sale 375 33.21 12,454
2011-05-13 Finney Elisha W Sale 625 33.49 20,928
2011-04-18 Cole J Daniel Sale 3,000 31.14 93,420
2011-01-06 Cole J Daniel Sale 2,000 30.02 60,046
2010-11-01 Cole J Daniel Sale 1,000 33.41 33,407
2010-10-01 Cole J Daniel Sale 1,000 36.71 36,714
2010-09-01 Cole J Daniel Sale 1,000 32.69 32,692
2010-08-02 Cole J Daniel Sale 1,000 37.33 37,326
2010-07-01 Cole J Daniel Sale 1,000 42.30 42,303
2010-06-21 Finney Elisha W Sale 875 46.48 40,674
2010-06-10 Cohen Lawrence (Division President) Sale 25,000 43.49 1,087,325
2010-06-10 Cohen Lawrence (Division President) Option Ex 25,000 12.45 311,250
2010-06-03 Lehman David Aaron (SVP and General Counsel) Sale 52,107 44.60 2,323,920
2010-06-03 Lehman David Aaron (SVP and General Counsel) Option Ex 52,107 12.21 636,226
2010-06-03 Burbach Gerhard F (Chief Executive Officer) Sale 100,000 44.60 4,459,900
2010-06-03 Burbach Gerhard F (Chief Executive Officer) Option Ex 45,000 16.44 739,800
2010-06-03 Dimick Neil F Sale 5,939 44.60 264,873
2010-06-03 Dimick Neil F Option Ex 3,750 17.22 64,574
2010-06-03 Smith David V (CFO & EVP) Sale 30,000 44.60 1,337,970
2010-06-03 Smith David V (CFO & EVP) Option Ex 30,000 17.58 527,400
2010-05-13 Grossman D Keith Sale 5,000 43.23 216,170
2010-05-11 Cohen Lawrence (Division President) Sale 31,613 41.00 1,296,069
2010-05-11 Cohen Lawrence (Division President) Option Ex 31,613 14.99 473,878
2010-05-05 Mulvena Daniel M Sale 7,500 40.00 300,000
2010-05-04 Collis Steven H Sale 1,750 40.73 71,279
2010-05-03 Dimick Neil F Sale 5,938 42.37 251,616
2010-05-03 Dimick Neil F Option Ex 1,875 14.91 27,956
2010-05-03 Grossman D Keith Sale 20,000 41.50 830,000
2010-05-03 Cole J Daniel Sale 20,000 41.94 838,720
2010-05-03 Cole J Daniel Option Ex 1,875 14.91 27,956
2010-05-03 Cohen Lawrence (Division President) Sale 68,651 42.39 2,910,253
2010-05-03 Cohen Lawrence (Division President) Option Ex 68,651 15.75 1,081,253
2010-05-03 Finney Elisha W Sale 1,250 41.91 52,387
2010-03-25 Cohen Lawrence (Division President) Sale 20,000 34.50 690,000
2010-03-25 Cohen Lawrence (Division President) Option Ex 20,000 12.45 249,000
2010-03-04 Cohen Lawrence (Division President) Sale 20,000 30.50 610,000
2010-03-04 Cohen Lawrence (Division President) Option Ex 20,000 12.45 249,000
2010-02-19 Cole J Daniel Option Ex 1,875 11.80 22,125
2010-02-17 Dimick Neil F Option Ex 1,875 11.80 22,125
2009-11-13 Dimick Neil F Option Ex 1,875 10.67 20,006
2009-10-06 Cole J Daniel Option Ex 1,875 10.67 20,006
2009-09-16 Cohen Lawrence (Division President) Sale 20,000 28.25 565,000
2009-09-16 Cohen Lawrence (Division President) Option Ex 20,000 13.21 264,200
2009-08-17 Dimick Neil F Option Ex 1,875 10.00 18,750
2009-08-11 Grossman D Keith Sale 14,600 27.54 402,113
2009-08-11 Cole J Daniel Option Ex 1,875 10.00 18,750
2009-08-07 Grossman D Keith Sale 400 28.00 11,200
2009-05-14 Dimick Neil F Option Ex 1,875 14.46 27,112
2009-05-06 Cole J Daniel Option Ex 1,875 14.46 27,112
2009-02-23 Dimick Neil F Option Ex 1,875 12.80 24,000
2009-02-23 Hill J Donald Option Ex 1,875 12.80 24,000
2009-02-20 Cole J Daniel Option Ex 1,875 12.80 24,000
2008-11-13 Kellogg Peter R (Other) Sale 510,000 22.32 11,383,710
2008-11-03 Hill J Donald Option Ex 1,875 14.79 27,731
2008-10-20 Cole J Daniel Option Ex 3,750 14.79 55,462
2008-10-16 Kellogg Peter R (Other) Sale 35,000 25.03 876,050
2008-10-15 Kellogg Peter R (Other) Sale 65,000 25.63 1,665,950
2008-09-23 Kellogg Peter R (Other) Sale 48,600 27.64 1,343,304
2008-09-19 Kellogg Peter R (Other) Sale 72,400 28.25 2,045,300
2008-09-18 Kellogg Peter R (Other) Sale 79,000 28.12 2,221,480
2008-09-09 Hill J Donald Sale 1,875 26.66 49,983
2008-09-03 Grossman D Keith Sale 5,000 27.50 137,500
2008-08-28 Lehman David Aaron (SVP and General Counsel) Sale 20,708 26.56 549,963
2008-08-28 Lehman David Aaron (SVP and General Counsel) Option Ex 20,708 11.79 244,147
2008-08-28 Grossman D Keith Sale 5,000 26.48 132,425
2008-08-20 Dimick Neil F Sale 11,043 23.83 263,154
2008-08-20 Dimick Neil F Option Ex 16,875 15.48 261,225
2008-08-18 Cohen Lawrence (Division President) Sale 30,349 24.10 731,410
2008-08-18 Cohen Lawrence (Division President) Option Ex 30,349 12.26 372,230
2008-08-12 Mulvena Daniel M Sale 18,750 24.68 462,825
2008-08-12 Mulvena Daniel M Option Ex 18,750 13.83 259,256
2008-08-12 Hill J Donald Sale 1,875 25.01 46,901
2008-08-12 Hill J Donald Option Ex 1,875 14.40 27,000
2008-08-11 Hill J Donald Sale 2,000 25.01 50,028
2008-08-07 Finney Elisha W Sale 750 24.56 18,417
2008-08-06 Cole J Daniel Option Ex 3,750 14.40 54,000
2008-08-05 Grossman D Keith Sale 9,000 23.46 211,140
2008-08-04 Chase Howard E Sale 2,500 22.52 56,300
2008-05-15 Hill J Donald Sale 6,875 16.15 111,051
2008-05-15 Hill J Donald Option Ex 6,875 11.26 77,426
2008-05-14 Mulvena Daniel M Sale 1,875 16.48 30,890
2008-05-13 Mulvena Daniel M Option Ex 1,875 13.65 25,593
2008-05-06 Cole J Daniel Option Ex 4,375 11.26 49,271
2008-02-13 Hill J Donald Sale 1,875 15.22 28,533
2008-02-13 Hill J Donald Option Ex 1,875 8.59 16,106
2008-02-12 Cole J Daniel Option Ex 1,875 8.59 16,106
2007-11-13 Hill J Donald Option Ex 1,875 9.29 17,418
2007-11-06 Cole J Daniel Option Ex 1,875 9.29 17,418
2007-08-08 Chase Howard E Sale 11,250 20.20 227,272
2007-08-08 Chase Howard E Option Ex 11,250 15.50 174,375
2007-08-06 Hill J Donald Sale 1,875 18.41 34,520
2007-08-06 Hill J Donald Option Ex 1,875 5.79 10,856
2007-08-03 Finney Elisha W Buy 1,000 19.40 19,400
2007-05-23 Chase Howard E Sale 5,625 19.30 108,534
2007-05-23 Chase Howard E Option Ex 5,625 12.75 71,718
2007-05-22 Chase Howard E Sale 3,750 18.56 69,592
2007-05-22 Chase Howard E Option Ex 3,750 10.34 38,756
2007-05-18 Hill J Donald Sale 6,875 17.85 122,739
2007-05-18 Chase Howard E Sale 7,500 17.98 134,827
2007-05-18 Chase Howard E Option Ex 7,500 8.28 62,062
2007-05-16 Hill J Donald Option Ex 6,875 7.46 51,321
2007-05-10 Mulvena Daniel M Sale 22,500 17.92 403,312
2007-05-08 Mulvena Daniel M Option Ex 22,500 7.91 178,020
2007-05-08 Holbrook George W Jr Option Ex 6,875 2.75 18,906
2007-05-08 Hitchcock William M Option Ex 6,875 7.46 51,321
2007-05-07 Mulvena Daniel M Sale 6,875 18.45 126,864
2007-02-27 Holbrook George W Jr Option Ex 1,875 15.00 28,125
2007-02-27 Hill J Donald Sale 1,875 19.90 37,312
2007-02-27 Hill J Donald Option Ex 1,875 15.00 28,125
2007-02-26 Chase Howard E Sale 1,250 20.81 26,012
2007-02-23 Cole J Daniel Option Ex 8,750 8.99 78,680
2007-02-22 Hitchcock William M Sale 1,875 19.10 35,821
2007-02-21 Mulvena Daniel M Option Ex 1,875 15.00 28,125
2007-02-20 Chase Howard E Sale 1,875 19.07 35,756
2007-02-20 Chase Howard E Option Ex 1,875 15.00 28,125
2007-02-20 Hitchcock William M Option Ex 1,875 15.00 28,125
2007-01-12 Nelson Jeffrey (Division President) Sale 13,376 18.22 243,670
2007-01-12 Nelson Jeffrey (Division President) Option Ex 13,376 5.79 77,447
2007-01-03 Nelson Jeffrey (Division President) Sale 36,624 18.23 667,655
2007-01-03 Nelson Jeffrey (Division President) Option Ex 36,624 5.79 212,052
2006-11-13 Hitchcock William M Sale 3,333 14.68 48,928
2006-11-09 Hitchcock William M Option Ex 3,333 9.25 30,830
2006-09-07 Chase Howard E Sale 3,500 14.38 50,330
2006-09-07 Chase Howard E Option Ex 3,500 5.50 19,250
2006-05-22 Hill J Donald Sale 1,875 14.81 27,768
2006-05-22 Hill J Donald Option Ex 1,875 11.06 20,737
2006-05-19 Mulvena Daniel M Option Ex 3,750 11.06 41,474
2006-05-18 Holbrook George W Jr Sale 1,875 15.63 29,300
2006-05-16 Holbrook George W Jr Option Ex 1,875 11.06 20,737
2006-02-23 Holbrook George W Jr Sale 1,875 20.12 37,725
2006-02-22 Hill J Donald Sale 1,875 20.35 38,156
2006-02-22 Hill J Donald Option Ex 1,875 9.38 17,578
2006-02-21 Mulvena Daniel M Option Ex 1,875 9.38 17,578
2006-02-15 Cole J Daniel Sale 1,875 20.54 38,516
2006-02-15 Cole J Daniel Option Ex 1,875 10.22 19,156
2006-02-13 Holbrook George W Jr Option Ex 1,875 9.38 17,578
2006-02-09 Chase Howard E Sale 5,250 20.85 109,462
2006-02-09 Chase Howard E Option Ex 5,250 8.64 45,386
2006-02-07 Hitchcock William M Option Ex 3,750 10.22 38,317
2006-02-06 Grossman D Keith Sale 271,000 19.06 5,165,260
2006-02-06 Grossman D Keith Option Ex 271,000 14.24 3,858,498
2006-02-03 Grossman D Keith Sale 30,000 19.01 570,300
2006-02-03 Grossman D Keith Option Ex 30,000 12.45 373,500
2006-02-02 Grossman D Keith Sale 124,812 19.51 2,435,082
2006-02-02 Grossman D Keith Option Ex 57,000 10.00 570,171
2005-12-15 Holbrook George W Jr Sale 1,875 21.26 39,862
2005-12-07 Holbrook George W Jr Sale 1,875 21.79 40,856
2005-05-31 Holbrook George W Jr Sale 1,875 14.98 28,087
2005-05-18 Chase Howard E Sale 5,718 15.23 87,085
2005-05-12 Mulvena Daniel M Sale 3,750 14.15 53,062
2005-05-03 Holbrook George W Jr Sale 100,000 13.00 1,300,000
2005-03-15 Hill J Donald Sale 50,000 11.00 549,750

Insider trading activities including stock purchases, stock sales, and option exercises of THOR listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Thoratec Corp (symbol THOR, CIK number 350907) see the Securities and Exchange Commission (SEC) website.