Insider Stock Trading History of Guiffre Christopherd T


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 Guiffre Christopherd T since year 2005. The trader's CIK number is 1219021. At the time of this reporting, Guiffre Christopherd T is the Senior Vice Presiden of Cubist Pharmaceuticals Inc . (stock ticker symbol CBST). See this page for all insider trading activities at Cubist Pharmaceuticals Inc .


Stock purchases, sales, and option exercises reported by insider Guiffre Christopherd T since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2007-07-25 CBST Cubist Pharmaceuticals Inc Option Ex 20,000 10.84 216,800
2007-07-25 CBST Cubist Pharmaceuticals Inc Sale 20,226 22.86 462,427
2007-05-30 CBST Cubist Pharmaceuticals Inc Option Ex 15,000 9.25 138,750
2007-05-30 CBST Cubist Pharmaceuticals Inc Sale 15,000 22.57 338,565
2007-01-31 CBST Cubist Pharmaceuticals Inc Option Ex 10,000 9.25 92,500
2007-01-31 CBST Cubist Pharmaceuticals Inc Sale 11,091 18.03 199,948
2006-09-01 CBST Cubist Pharmaceuticals Inc Option Ex 2,625 7.58 19,897
2006-09-01 CBST Cubist Pharmaceuticals Inc Sale 2,625 23.42 61,477
2006-02-01 CBST Cubist Pharmaceuticals Inc Option Ex 3,000 7.58 22,740
2006-02-01 CBST Cubist Pharmaceuticals Inc Sale 3,000 21.41 64,230

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 Guiffre Christopherd T (Senior Vice Presiden of Cubist Pharmaceuticals Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.