Home > Insider Trading > Filing (0001280452-12-000313)

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
1308656	C James Moyer	79 Great Oaks Blvd San Jose CA 95119		Yes	No	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	2012-11-12	117	$19.36	1,006,873	No	4	S	Direct
Common Stock	Disposition	2012-11-13	200	$18.74	464,483	No	4	S	Indirect	by Moyer FamilyTrust
Common Stock	Disposition	2012-11-14	200	$19.19	464,283	No	4	S	Indirect	by Moyer FamilyTrust

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct
No	4	S	Indirect	by Moyer FamilyTrust
No	4	S	Indirect	by Moyer FamilyTrust

Footnotes

Shares sold to pay tax obligations resulting from the vesting of restricted stock units.
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 $18.58 to $18.89. 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.