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Home > Insider Trading > Filing (0001280452-11-000171)

Filing Details

Accession Number:: 0001280452-11-000171
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2011-08-01 19:41:23
Reporting Period:: 2011-08-01

Filing Date:: 2011-08-01
Accepted Time:: 2011-08-01 19:41:23
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1280452	Monolithic Power Systems Inc	MPWR	Semiconductors & Related Devices (3674)	770466789

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1312593	Saria Tseng	6409 Guadalupe Mines Road San Jose CA 95120	Vp & General Counsel	No	Yes	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2011-08-01	371	$13.55	81,786	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct

Footnotes

50% of the Performance Units are subject to vest on the first anniversay of the Grant Date and 50% of the Performance Units are subject to vest on the second anniversary of the Grant Date, provided that the Grantee continues to be a service provider on such dates.
Shares sold to pay tax obligations resulting from the vesting of restricted stock units.