Stock Trading History of Thornton Steven 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 Thornton Steven T since year 2005. The trader's CIK number is 1332712. At the time of this reporting, Thornton Steven T is the Director of Halozyme Therapeutics Inc (stock ticker symbol HTI).

Stock purchases, sales, and option exercises reported by *Thornton Steven T* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-06-15	HALO	Halozyme Therapeutics Inc	Sale	10,000	10.02	100,246
2007-06-15	HALO	Halozyme Therapeutics Inc	Option Exercise	10,000	2.80	28,000
2007-05-21	HALO	Halozyme Therapeutics Inc	Sale	30,000	10.50	315,000
2007-03-22	HTI	Halozyme Therapeutics Inc	Sale	10,000	8.51	85,107
2007-03-22	HTI	Halozyme Therapeutics Inc	Option Exercise	10,000	1.75	17,500

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 Thornton Steven T (Director of Halozyme Therapeutics Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.