Gregory Ian Frost Insider Trading

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Get the latest insider transactions of Gregory Ian Frost. Gregory Ian Frost is a VP and Chief Scientific Off. in HALOZYME THERAPEUTICS INC ($GYHT).

Address: C/O HALOZYME THERAPEUTICS, INC. 11388 SORRENTO VALLEY ROAD SAN DIEGO 92121 CA

Companies in which Gregory Ian Frost is an Insider

Trading Symbol: GYHT
Industry: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
Position of Gregory Ian Frost: VP and Chief Scientific Off.
Holdings: 3,530,866 shares
Latest Transaction: Feb 09 2009

Last 4 weeks trend: HOLD
Last 3 months trend: HOLD View transactions

Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Feb 09 2009	GYHT	HALOZYME THERAPEUT ...	Frost Gregory Ian	VP and Chief Scient ...	Option Exercise	A	6.10	80,000	488,000	257,480
Mar 24 2008	GYHT	HALOZYME THERAPEUT ...	Frost Gregory Ian	VP and Chief Scient ...	Sell	S	6.06	230,000	1,393,800	3,530,866	3.8 M to 3.5 M (-6.12 %)
Mar 21 2008	GYHT	HALOZYME THERAPEUT ...	Frost Gregory Ian	VP and Chief Scient ...	Option Exercise	M	0.43	639,902	275,158	177,480
Mar 21 2008	GYHT	HALOZYME THERAPEUT ...	Frost Gregory Ian	VP and Chief Scient ...	Payment of Exercise	F	6.06	28,642	173,571	3,760,866	3.8 M to 3.8 M (-0.76 %)
Mar 21 2008	GYHT	HALOZYME THERAPEUT ...	Frost Gregory Ian	VP and Chief Scient ...	Buy	M	0.43	639,902	275,158	3,789,508	3.1 M to 3.8 M (+20.32 %)
Feb 08 2008	GYHT	HALOZYME THERAPEUT ...	Frost Gregory Ian	VP and Chief Scient ...	Option Exercise	A	5.60	50,000	280,000	747,141
Dec 21 2007	GYHT	HALOZYME THERAPEUT ...	Frost Gregory Ian	VP and Chief Scient ...	Option Exercise	M	0.43	9,736	4,186	697,141