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Home > Insider Trading > Filing (0001280452-11-000140)

Filing Details

Accession Number:: 0001280452-11-000140
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2011-05-31 13:04:23
Reporting Period:: 2011-05-31

Filing Date:: 2011-05-31
Accepted Time:: 2011-05-31 13:04:23
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
1360833	Maurice Sciammas	6409 Guadalupe Mines Road San Jose CA 95120	Sr. V.p.of Sales And Marketing	No	Yes	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2011-05-31	885	$17.07	87,969	No	4	S	Indirect	by Family Trust
Common Stock	Disposition	2011-05-31	350	$17.07	21,521	No	4	S	Indirect	byC Sciammas 04 TRST
Common Stock	Disposition	2011-05-31	350	$17.07	21,521	No	4	S	Indirect	byM Sciammas 04 Trst

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	by Family Trust
No	4	S	Indirect	byC Sciammas 04 TRST
No	4	S	Indirect	byM Sciammas 04 Trst

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	115,658	Direct

Footnotes

In accordance with the reporting person's 10b5-1 trading plan.
Shares held by Sciammas Family Living Trust, Maurice Sciammas and Christina Sciammas, Trustees
Shares held by Christina Sciammas 2004 Trust, Christina Sciammas and Maurice Sciammas, Trustees
Shares held by Maurice Sciammas 2004 Trust, Maurice Sciammas and Christina Sciammas, Trustees