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Home > Insider Trading > Filing (0001280452-13-000172)

Filing Details

Accession Number:: 0001280452-13-000172
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2013-05-08 20:20:10
Reporting Period:: 2013-05-07

Filing Date:: 2013-05-08
Accepted Time:: 2013-05-08 20:20:10
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
1480603	Meera Rao	79 Great Oaks Blvd San Jose CA 95119	Cfo	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	2013-05-07	410	$24.24	93,300	No	4	S	Direct
Common Stock	Disposition	2013-05-08	1,060	$24.10	92,240	No	4	S	Direct
Common Stock	Acquisiton	2013-05-08	131	$0.00	92,371	No	4	A	Direct
Common Stock	Disposition	2013-05-08	51	$24.10	92,320	No	4	S	Direct

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

Footnotes

Shares sold to pay tax obligations resulting from the vesting of restricted stock units.
Equitable stock dividend adjustment approved by the Board of Director as a result of dividend Payment to shareholders on December 28, 2012. Stock dividends will release according to the same vesting schedule as the original grants.