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Home > Insider Trading > Filing (0001280452-13-000022)

Filing Details

Accession Number:: 0001280452-13-000022
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2013-01-18 20:03:15
Reporting Period:: 2013-01-17

Filing Date:: 2013-01-18
Accepted Time:: 2013-01-18 20:03:15
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	79 Great Oaks Blvd San Jose CA 95119	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	2013-01-17	5,000	$23.49	78,915	No	4	S	Direct

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

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	3,000	Indirect	S.Tseng Charity Fund

Footnotes

In accordance with the reporting person's 10b5-1 trading plan.