Stock Trading History of Ahn Chang Ho

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 Ahn Chang Ho since year 2005. The trader's CIK number is 1316420. At the time of this reporting, Ahn Chang Ho is the Chairman & CEO of Rexahn Pharmaceuticals, Inc. . (stock ticker symbol RXHN). See this page for all insider trading activities at Rexahn Pharmaceuticals, Inc. .

Stock purchases, sales, and option exercises reported by insider *Ahn Chang Ho* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-04-14	RXHN.OB	Rexahn Pharmaceuticals, Inc.	Purchase	10,000	2.37	23,670

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 Ahn Chang Ho (Chairman & CEO of Rexahn Pharmaceuticals, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.