Home > Insider Trading > Filing (0001280452-11-000154)

Filing Details

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

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2011-06-20	885	$14.27	85,314	No	4	S	Indirect	by Family Trust
Common Stock	Disposition	2011-06-20	350	$14.27	20,471	No	4	S	Indirect	byC Sciammas 04 TRST
Common Stock	Disposition	2011-06-20	350	$14.27	20,471	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.
The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $14.10 to $14.37. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
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