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Home > Insider Trading > Filing (0001280452-12-000030)

Filing Details

Accession Number:: 0001280452-12-000030
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2012-02-13 14:01:13
Reporting Period:: 2012-02-10

Filing Date:: 2012-02-13
Accepted Time:: 2012-02-13 14:01:13
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
1417123	Paul Ueunten	6409 Guadalupe Mines Road San Jose CA 95120	Sr. V.p. Design Engineering	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	2012-02-10	783	$16.42	120,253	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	153,556	Indirect	Ueunten Trust I
Common Stock	113,900	Indirect	Ueunten Trust II
Common Stock	26,000	Indirect	Ueunten Trust III
Common Stock	26,000	Indirect	Ueunten Trust IV

Footnotes

Shares sold to pay tax obligations resulting from the vesting of restricted stock units.