SEC Form 4 · accession 0001280452-16-000328

MONOLITHIC POWER SYSTEMS, INC. · MPWR

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Officer — Pres. of MPS Asia Operations

Period of report

Oct 28, 2016

Accepted (ET)

Nov 1, 2016 · 6:52 pm EDT

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0001280452

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1	Oct 28, 2016	M	14,628	$0.00	A	285,845	D
Common Stock	holding	—	—		—	172	I	by Spouse

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Performance Shares^F1	—	Oct 28, 2016	M	14,628	D	—	—	Common Stock	14,628	61,050	D

F1On December 31, 2015, the reporting person was granted a target of 75,678 shares of restricted stock units in four tranches subject to satisfaction of share price targets over the next four years. The vesting of restricted stock units in the second, third and fourth tranches is also subject to the satisfaction of certain operational goals, as determined by the Compensation Committee of the Company. All restricted stock units are subject to time based vesting. Once vested, one-third of shares have no sales restrictions and are sellable on January 1, 2020, one-third of the shares have sales restrictions until January 1, 2021 and one-third of the shares have sales restrictions until January 1, 2022.On October 28, 2016, the Compensation Committee of the Company determined that three of the five share price targets for the first tranche of restricted stock units had been satisfied, which resulted in 14,628 shares being granted, subject to time based vesting described above.