0001437749-16-024808.txt : 20160204 0001437749-16-024808.hdr.sgml : 20160204 20160204184127 ACCESSION NUMBER: 0001437749-16-024808 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20160202 FILED AS OF DATE: 20160204 DATE AS OF CHANGE: 20160204 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: MONOLITHIC POWER SYSTEMS INC CENTRAL INDEX KEY: 0001280452 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] IRS NUMBER: 770466789 STATE OF INCORPORATION: CA FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 79 GREAT OAKS BLVD CITY: SAN JOSE STATE: CA ZIP: 95119 BUSINESS PHONE: (408) 826-0600 MAIL ADDRESS: STREET 1: 79 GREAT OAKS BLVD CITY: SAN JOSE STATE: CA ZIP: 95119 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Tseng Saria CENTRAL INDEX KEY: 0001312593 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51026 FILM NUMBER: 161389796 MAIL ADDRESS: STREET 1: 79 GREAT OAKS BLVD CITY: SAN JOSE STATE: CA ZIP: 95119 4 1 rdgdoc.xml FORM 4 X0306 4 2016-02-02 0001280452 MONOLITHIC POWER SYSTEMS INC MPWR 0001312593 Tseng Saria 79 GREAT OAKS BLVD SAN JOSE CA 95119 1 VP & General Counsel Common Stock 2016-02-02 4 A 0 90284 0 A 348079 D Common Stock 2016-02-04 4 S 0 22057 57.9337 D 326022 D Common Stock 2000 I S. Tseng Charity Fund On February 4, 2014, the reporting person was granted a target of 32,831 shares of restricted stock units subject to satisfaction of pre-determined, performance-based vesting criteria. On February 2, 2016, the Company's Board of Directors determined that those performance criteria for the restricted stock units had been satisfied, which resulted in 57,453 additional shares being achieved and granted to the reporting person. Of the restricted stock units that were awarded, 45,143 will vest immediately and 45,141 will vest quarterly in the next two years. The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans. /s/ Saria Tseng 2016-02-04