MONOLITHIC POWER SYSTEMS INC — Director's Dealing 2016

Feb 22, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MONOLITHIC POWER SYSTEMS INC (MPWR)
CIK: 0001280452
Period of Report: 2016-02-16

Reporting Person: Tseng Saria (VP & General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-02-16	Common Stock	J	463	$43.707	Acquired	321072	Direct
2016-02-19	Common Stock	S	463	$58.0678	Disposed	320609	Direct
2016-02-19	Common Stock	S	28249	$58.3439	Disposed	292360	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2000	Indirect

Footnotes

F1: Acquired through the Company's qualified ESPP program.

F2: In accordance with the reporting person's 10b5-1 trading plan.

F3: 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 $57.48 to $58.82. 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.