Stock Trading History of White Christopher A

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 White Christopher A since year 2005. The trader's CIK number is 1283401. At the time of this reporting, White Christopher A is the Vice President of Cowen Group, Inc. . (stock ticker symbol COWN). See this page for all insider trading activities at Cowen Group, Inc. .

Stock purchases, sales, and option exercises reported by insider *White Christopher A* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-03-06	COWN	Cowen Group, Inc.	Purchase	1,500	6.99	10,485
2008-03-05	COWN	Cowen Group, Inc.	Purchase	2,700	6.99	18,873
2007-11-19	COWN	Cowen Group, Inc.	Purchase	1,250	9.89	12,362
2007-08-30	COWN	Cowen Group, Inc.	Purchase	569	11.99	6,822
2007-08-29	COWN	Cowen Group, Inc.	Purchase	441	11.85	5,225
2007-08-02	COWN	Cowen Group, Inc.	Purchase	1,750	13.75	24,062
2006-07-18	COWN	Cowen Group, Inc.	Purchase	1,000	16.00	16,000

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 White Christopher A (Vice President of Cowen Group, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.