Insider Trading History of Grenon David R

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) by Grenon David R since 2005. The trader's CIK number is 1237558. At the time of the last reporting, Grenon David R was the Director of Commerce Group Inc /ma. (stock ticker symbol CGI). Also see all insider trading activities at Commerce Group Inc /ma.


Yearly summary of insider trading at Commerce Group Inc /ma (CGI) by Grenon David R

Insider Buying Insider Sales Option Exercises
Year Symbol Shares Value Shares Value Shares Value
2007 CGI 0 $0 0 $0 6,531 $198,281
2006 CGI 0 $0 20,289 $596,699 0 $0
2005 CGI 0 $0 5,000 $300,750 0 $0


Insider trading of Commerce Group Inc /ma (CGI) by Grenon David R

Trade Date Symbol Trade Type Shares Price ($) Value ($)
2007-12-26 CGI Option Ex 6,531 30.36 198,281
2006-09-13 CGI Sale 20,289 29.41 596,699
2005-08-02 CGI Sale 5,000 60.15 300,750

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 Grenon David R (Director of Commerce Group Inc /ma at the time of this reporting) see the Securities and Exchange Commission (SEC) website.



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