CHANG LI CHENG

Insider trading activity of CHANG LI CHENG

Figures computed from official regulatory filings — methodology.

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Company	Filed	Type	Qty	Price	Value · USD	Src
SINA CORP	Dec 3, 2004	Exercise	17,000	15.47 USD	—	SEC
SINA CORP	Dec 3, 2004	ExerciseD	-17,000	0.00 USD	—	SEC
SINA CORP	Dec 3, 2004	ExerciseD	-10,000	0.00 USD	—	SEC
SINA CORP	Dec 3, 2004	Exercise	10,000	1.88 USD	—	SEC
SINA CORP	Dec 3, 2004	Sell	-27,000	38.71 USD	—	SEC
SINA CORP	Nov 19, 2004	ExerciseD	-11,600	0.00 USD	—	SEC
SINA CORP	Nov 19, 2004	Sell	-22,600	38.27 USD	—	SEC
SINA CORP	Nov 19, 2004	ExerciseD	-11,000	0.00 USD	—	SEC
SINA CORP	Nov 19, 2004	Exercise	11,600	3.00 USD	—	SEC
SINA CORP	Nov 19, 2004	Exercise	11,000	1.88 USD	—	SEC
SINA CORP	Feb 11, 2004	Sell	-20,000	42.66 USD	—	SEC
SINA CORP	Feb 11, 2004	Exercise	3,000	15.47 USD	—	SEC
SINA CORP	Feb 11, 2004	ExerciseD	-17,000	0.00 USD	—	SEC
SINA CORP	Feb 11, 2004	Exercise	17,000	1.88 USD	—	SEC
SINA CORP	Feb 11, 2004	ExerciseD	-3,000	0.00 USD	—	SEC
SINA CORP	Dec 11, 2003	Exercise	10,000	15.47 USD	—	SEC
SINA CORP	Dec 11, 2003	Sell	-1,400	32.73 USD	—	SEC
SINA CORP	Dec 11, 2003	Sell	-3,600	32.66 USD	—	SEC
SINA CORP	Dec 11, 2003	Sell	-5,000	32.67 USD	—	SEC
SINA CORP	Dec 11, 2003	ExerciseD	-10,000	0.00 USD	—	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
SINA CORP	Dec 3, 2004	Exercise	17,000	15.47 USD	—	SEC
SINA CORP	Dec 3, 2004	ExerciseD	-17,000	0.00 USD	—	SEC
SINA CORP	Dec 3, 2004	ExerciseD	-10,000	0.00 USD	—	SEC
SINA CORP	Dec 3, 2004	Exercise	10,000	1.88 USD	—	SEC
SINA CORP	Dec 3, 2004	Sell	-27,000	38.71 USD	—	SEC
SINA CORP	Nov 19, 2004	ExerciseD	-11,600	0.00 USD	—	SEC
SINA CORP	Nov 19, 2004	Sell	-22,600	38.27 USD	—	SEC
SINA CORP	Nov 19, 2004	ExerciseD	-11,000	0.00 USD	—	SEC
SINA CORP	Nov 19, 2004	Exercise	11,600	3.00 USD	—	SEC
SINA CORP	Nov 19, 2004	Exercise	11,000	1.88 USD	—	SEC
SINA CORP	Feb 11, 2004	Sell	-20,000	42.66 USD	—	SEC
SINA CORP	Feb 11, 2004	Exercise	3,000	15.47 USD	—	SEC
SINA CORP	Feb 11, 2004	ExerciseD	-17,000	0.00 USD	—	SEC
SINA CORP	Feb 11, 2004	Exercise	17,000	1.88 USD	—	SEC
SINA CORP	Feb 11, 2004	ExerciseD	-3,000	0.00 USD	—	SEC
SINA CORP	Dec 11, 2003	Exercise	10,000	15.47 USD	—	SEC
SINA CORP	Dec 11, 2003	Sell	-1,400	32.73 USD	—	SEC
SINA CORP	Dec 11, 2003	Sell	-3,600	32.66 USD	—	SEC
SINA CORP	Dec 11, 2003	Sell	-5,000	32.67 USD	—	SEC
SINA CORP	Dec 11, 2003	ExerciseD	-10,000	0.00 USD	—	SEC