Stock Trading History of Durkin Bryan 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 Durkin Bryan T since year 2005. The trader's CIK number is 1341363. At the time of this reporting, Durkin Bryan T is the MD & COO of Chicago Mercantile Exchange Holdings Inc . (stock ticker symbol CME). See this page for all insider trading activities at Chicago Mercantile Exchange Holdings Inc .

Stock purchases, sales, and option exercises reported by insider *Durkin Bryan T* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-02-22	CME	Chicago Mercantile Exchange Holdings Inc	Option Exercise	500	144.00	72,000
2008-02-22	CME	Chicago Mercantile Exchange Holdings Inc	Sale	500	525.00	262,500
2008-01-30	CME	Chicago Mercantile Exchange Holdings Inc	Sale	1,375	611.50	840,812
2008-01-30	CME	Chicago Mercantile Exchange Holdings Inc	Option Exercise	1,375	144.00	198,000
2008-01-15	CME	Chicago Mercantile Exchange Holdings Inc	Option Exercise	1,500	265.98	398,974
2008-01-15	CME	Chicago Mercantile Exchange Holdings Inc	Sale	1,500	616.75	925,125
2007-11-20	CME	Chicago Mercantile Exchange Holdings Inc	Sale	782	649.25	507,713
2007-11-20	CME	Chicago Mercantile Exchange Holdings Inc	Option Exercise	782	403.92	315,865
2007-11-02	CME	Chicago Mercantile Exchange Holdings Inc	Option Exercise	1,218	403.92	491,974
2007-11-02	CME	Chicago Mercantile Exchange Holdings Inc	Sale	1,218	651.56	793,600

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 Durkin Bryan T (MD & COO of Chicago Mercantile Exchange Holdings Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.