Stock Trading History of Reardon William S

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 Reardon William S since year 2005. The trader's CIK number is 1212646. At the time of this reporting, Reardon William S is the Director of Hybridon Inc (stock ticker symbol HBY).

Stock purchases, sales, and option exercises reported by *Reardon William S* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-01-02	IDRA	Hybridon Inc	Purchase	155	11.29	1,749
2007-10-01	IDP	Hybridon Inc	Purchase	230	7.61	1,749
2007-07-02	IDP	Hybridon Inc	Purchase	448	5.58	2,501
2007-04-03	IDP	Hybridon Inc	Purchase	458	7.65	3,503
2006-07-06	IDP	Hybridon Inc	Purchase	745	3.36	2,501
2005-04-01	HBY	Hybridon Inc	Purchase	5,882	.51	2,999

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 Reardon William S (Director of Hybridon Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.