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Form 4 Filings | Insider Buys | Significant Buys |
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"Insiders might sell their shares for any number of reasons, but they buy them for only one:
they think the price will rise" - Peter Lynch ==>> What is insider trading>> |

| Transaction & Date | Reported Date |
Company | Symbol | Insider Relationship |
Shares Traded | Average Price | Total Amount |
Shares Ownership |
Filing |
| 2006-05-18 Sale |
2006-05-18 5:27 pm | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $15.63 | $29,301 | 7,500 (Direct) | View |
| 2006-02-23 Sale |
2006-02-24 6:13 pm | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $20.12 | $37,725 | 144,716 (Direct) |
View |
| 2005-12-15 Sale |
2005-12-16 12:48 pm |
THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $21.26 | $39,862 | 144,716 (Direct) |
View |
| 2005-12-07 Sale |
2005-12-12 4:29 pm | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $21.79 | $40,856 | 144,716 (Direct) |
View |
| 2005-05-31 Sale | 2005-05-31 3:17 pm |
THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $14.98 | $28,088 | 144,716 (Direct) | View |
| 2005-05-06 Sale | 2005-05-09 11:27 am | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 100,000 | $13.76 | $1,376,000 | 146,591 (Direct) |
View |
| 2005-05-02- -2005-05-03 Sale |
2005-05-03 5:55 pm | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 100,000 | $13 | $1,300,009 | 244,716 (Direct) | View |
| Transaction & Date | Reported Date | Company | Symbol | Insider Relationship |
Shares Traded |
Average Price | Total Amount |
Shares Ownership | Filing |
| 2007-05-08 Exercise Gift | 2007-05-10 7:00 pm | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 20,625 | $1.333 | $27,500 | 10,625 (Direct Indirect) |
View |
| 2007-02-27 Exercise | 2007-03-01 8:20 pm | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $15 | $28,125 | 14,375 (Direct) |
View |
| 2006-06-16 Option Award | 2006-06-19 6:29 pm | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 5,000 | $0 | $0 | 12,500 (Direct) |
View |
| 2006-05-16 Exercise |
2006-05-18 5:27 pm | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $11.06 | $20,738 | 9,375 (Direct) |
View |
| 2006-02-13 Exercise |
2006-02-14 3:04 pm |
THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $9.375 | $17,578 | 146,591 (Direct) |
View |
| 2005-11-14 Exercise |
2005-11-16 10:56 am |
THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $13.13 | $24,619 | 146,591 (Direct) |
View |
| 2005-05-05 Exercise | 2005-05-09 11:27 am | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $11.62 | $21,797 | 246,591 (Direct) |
View |
| 2004-11-18 Exercise |
2004-11-18 1:10 pm | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $6.125 | $11,484 | 344,716 (Direct) | View |
| 2004-08-09 Exercise |
2004-08-09 1:09 pm | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $9 | $16,875 | 342,841 (Direct) | View |
| 2004-05-11 Exercise | 2004-05-11 5:05 pm |
THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $8.813 | $16,524 | 340,966 (Direct) | View |
| 2003-10-23 Exercise |
2003-10-23 5:22 pm | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 7,500 | $6.375 | $47,812 | 339,091 (Direct) |
View |
| Transaction & Date |
Reported Date | Exercisable Expiration | Company | Symbol | Insider Relationship |
Shares Traded | Conversion Price | Shares Ownership | Filing |
| 2007-05-08 Exercise | 2007-05-10 7:00 pm | 1997-11-16 2007-05-18 | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 5,000 | $5.5 | 0 (Direct) | View |
| 2007-05-08 Exercise | 2007-05-10 7:00 pm |
2002-05-30 2007-05-30 | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $9.43 | 0 (Direct) | View |
| 2007-02-27 Exercise |
2007-03-01 8:20 pm | 2002-02-28 2007-02-28 | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $15 | 0 (Direct) |
View |
| 2006-05-16 Exercise |
2006-05-18 5:27 pm | 2001-05-24 2006-05-24 | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $11.06 | 0 (Direct) |
View |
| 2006-02-13 Exercise | 2006-02-14 3:04 pm | 2001-02-23 2006-02-23 | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $9.375 | 0 (Direct) |
View |
| 2005-11-17 Option Award | 2005-11-17 2:02 pm |
2005-11-17 2010-11-17 | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $18.99 | 1,875 (Direct) |
View |
| 2005-11-14 Exercise | 2005-11-16 10:56 am | 2000-11-17 2005-11-17 | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $13.13 | 0 (Direct) | View |
| 2005-11-02 Other | 2005-11-04 3:14 pm |
N/A N/A |
THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1 | $0 | 1 (Indirect) |
View |
| 2005-08-18 Option Award | 2005-08-18 4:28 pm |
2005-08-18 2010-08-18 | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $15.45 | 1,875 (Direct) |
View |
| 2005-05-24 Option Award |
2005-05-25 2:11 pm |
2005-05-24 2010-05-24 |
THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $14.91 | 1,875 (Direct) | View |
| 2005-05-05 Exercise | 2005-05-09 11:27 am | 2000-05-12 2005-05-12 | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $11.62 | 0 (Direct) |
View |
| 2005-02-24 Option Award |
2005-02-24 5:54 pm | 2005-02-24 2010-02-24 |
THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $11.8 | 1,875 (Direct) |
View |
| 2004-11-18 Option Award | 2004-11-18 1:10 pm | 2004-11-18 2009-11-18 |
THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $10.67 | 1,875 (Direct) |
View |
| 2004-11-18 Exercise |
2004-11-18 1:10 pm |
1999-11-18 2004-11-18 |
THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $6.125 | 0 (Direct) |
View |
| 2004-08-19 Option Award | 2004-08-19 4:51 pm |
2004-08-19 2009-08-19 | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $10 | 1,875 (Direct) | View |
| 2004-08-09 Exercise | 2004-08-09 1:09 pm |
1999-08-13 2004-08-13 | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $9 | 0 (Direct) | View |
| 2004-05-20 Option Award |
2004-05-20 7:08 pm | 2004-05-20 2009-05-20 |
THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $14.46 | 1,875 (Direct) | View |
| 2004-05-11 Exercise | 2004-05-11 5:05 pm | 1999-05-14 2004-05-14 |
THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $8.813 | 0 (Direct) |
View |
| 2004-02-26 Option Award | 2004-02-26 6:29 pm |
2004-02-26 2009-02-26 |
THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $12.8 | 1,875 (Direct) | View |
| 2003-11-05 Option Award |
2003-11-06 2:32 pm | 2003-11-05 2008-11-05 |
THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $14.79 | 1,875 (Direct) |
View |
| 2003-10-23 Exercise | 2003-10-23 5:22 pm | 1999-04-23 2003-10-25 |
THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 7,500 | $6.375 | 0 (Direct) | View |
| 2003-08-21 Option Award | 2003-08-22 4:44 pm | 2003-08-21 2008-08-21 | THORATEC CORP | THOR | HOLBROOK GEORGE W JR (Director) | 1,875 | $14.4 | 1,875 (Direct) | View |
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