MONOLITHIC POWER SYSTEMS INC — Director's Dealing 2010

Aug 2, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MONOLITHIC POWER SYSTEMS INC (MPWR)
CIK: 0001280452
Period of Report: 2010-08-02

Reporting Person: Rao Meera (VP of Finance, Corp Controller)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-08-02	Common Stock	A	3000	—	Acquired	33000	Direct

Footnotes

F1: 25% of the Restricted Stock Units (RSUs) shall vest on the 12-month anniversary of the Vesting Commencement Date, and 1/16 of the RSUs shall vest quarterly thereafter, provided that the Grantee continues to be a Service Provider from the Grant Date through each applicable vesting date.