Stock Trading History of Thees Thomas M

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 Thees Thomas M since year 2005. The trader's CIK number is 1317811. At the time of this reporting, Thees Thomas M is the Other of Marketaxess Holdings Inc (stock ticker symbol MKTX).

Stock purchases, sales, and option exercises reported by *Thees Thomas M* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2006-11-02	MKTX	Marketaxess Holdings Inc	Sale	6,100	12.16	74,168
2006-11-07	MKTX	Marketaxess Holdings Inc	Sale	800	13.00	10,400
2006-11-06	MKTX	Marketaxess Holdings Inc	Sale	3,900	12.40	48,374
2005-08-23	MKTX	Marketaxess Holdings Inc	Purchase	1,000	10.15	10,150
2006-05-25	MKTX	Marketaxess Holdings Inc	Purchase	15,000	10.54	158,025

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 Thees Thomas M (Other of Marketaxess Holdings Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.