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MONOLITHIC POWER SYSTEMS INC Director's Dealing 2011

Aug 17, 2011

30057_dirs_2011-08-17_e5329563-18ea-494a-8562-36efdeaebecb.zip

Director's Dealing

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SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MONOLITHIC POWER SYSTEMS INC (MPWR)
CIK: 0001280452
Period of Report: 2011-08-17

Reporting Person: CHANG KUO WEI HERBERT (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-08-17	Common Stock	S	1145	$12.5016	Disposed	20000	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	86200	Direct
Common Stock	31189	Indirect

Footnotes

F1: Reporting person is a General Partner of the VCFA Growth Partners, L.P., a Cayman Island Limited Partnership. Mr. Chang retains beneficial ownership of these shares, but disclaims the economic benefit except to his pecuniary interests, if any.

F2: Reporting person is the partner of InveStar Capital, Inc. Mr. Chang retains beneficial ownership of these shares, but disclaims the economic benefit except to his pecuniary interests, if any.