Insider Stock Trading History of Lacourse William C


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 Lacourse William C since year 2005. The trader's CIK number is 1365500. At the time of this reporting, Lacourse William C is the Director of Ceradyne Inc . (stock ticker symbol CRDN). See this page for all insider trading activities at Ceradyne Inc .


Stock purchases, sales, and option exercises reported by insider Lacourse William C since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2011-07-18 CRDN Ceradyne Inc Option Ex 4,012 .00 0
2011-03-09 CRDN Ceradyne Inc Sale 500 46.29 23,145
2010-12-21 CRDN Ceradyne Inc Sale 600 31.57 18,942
2010-08-05 CRDN Ceradyne Inc Sale 640 24.24 15,516
2010-07-16 CRDN Ceradyne Inc Option Ex 2,346 .00 0
2010-06-07 CRDN Ceradyne Inc Option Ex 490 .00 0
2009-07-16 CRDN Ceradyne Inc Option Ex 846 .00 0
2009-06-08 CRDN Ceradyne Inc Option Ex 1,158 .00 0
2008-08-08 CRDN Ceradyne Inc Sale 356 49.46 17,605
2008-06-06 CRDN Ceradyne Inc Option Ex 1,156 .00 0
2008-02-28 CRDN Ceradyne Inc Buy 300 34.03 10,209
2007-11-16 CRDN Ceradyne Inc Buy 134 45.77 6,133
2007-06-06 CRDN Ceradyne Inc Option Ex 666 .00 0

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 Lacourse William C (Director of Ceradyne Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.