Insider Stock Trading History of Cohen Lawrence


The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Cohen Lawrence since year 2005. The trader's CIK number is 1218700. At the time of this reporting, Cohen Lawrence is the Division President of Thoratec Corp . (stock ticker symbol THOR). See this page for all insider trading activities at Thoratec Corp .


Stock purchases, sales, and option exercises reported by insider Cohen Lawrence since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2010-06-10 THOR Thoratec Corp Sale 25,000 43.49 1,087,325
2010-06-10 THOR Thoratec Corp Option Ex 25,000 12.45 311,250
2010-05-11 THOR Thoratec Corp Option Ex 31,613 14.99 473,878
2010-05-11 THOR Thoratec Corp Sale 31,613 41.00 1,296,069
2010-05-03 THOR Thoratec Corp Option Ex 68,651 15.75 1,081,253
2010-05-03 THOR Thoratec Corp Sale 68,651 42.39 2,910,253
2010-03-25 THOR Thoratec Corp Option Ex 20,000 12.45 249,000
2010-03-25 THOR Thoratec Corp Sale 20,000 34.50 690,000
2010-03-04 THOR Thoratec Corp Option Ex 20,000 12.45 249,000
2010-03-04 THOR Thoratec Corp Sale 20,000 30.50 610,000
2009-09-16 THOR Thoratec Corp Sale 20,000 28.25 565,000
2009-09-16 THOR Thoratec Corp Option Ex 20,000 13.21 264,200
2008-08-18 THOR Thoratec Corp Sale 30,349 24.10 731,410
2008-08-18 THOR Thoratec Corp Option Ex 30,349 12.26 372,230

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Cohen Lawrence (Division President of Thoratec Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.