0001209191-15-033841.txt : 20150413 0001209191-15-033841.hdr.sgml : 20150413 20150413184537 ACCESSION NUMBER: 0001209191-15-033841 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20150409 FILED AS OF DATE: 20150413 DATE AS OF CHANGE: 20150413 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: Hsing Michael CENTRAL INDEX KEY: 0001308676 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51026 FILM NUMBER: 15767590 MAIL ADDRESS: STREET 1: 79 GREAT OAKS BLVD CITY: SAN JOSE STATE: CA ZIP: 95119 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2015-04-09 0 0001280452 MONOLITHIC POWER SYSTEMS INC MPWR 0001308676 Hsing Michael 79 GREAT OAKS BLVD SAN JOSE CA 95119 1 1 0 0 CEO Common Stock 2015-04-09 4 M 0 10507 15.03 A 1149044 D Common Stock 2015-04-09 4 S 0 7025 52.0105 D 1142019 D Common Stock 29000 I Hsing Fam Foundation Common Stock 133040 I by M Hsing 04 Trust Non-Qualified Stock Option (right to buy) 15.03 2015-04-09 4 M 0 10507 0.00 D 2010-10-28 2015-10-28 Common Stock 10507 0 D In accordance with the reporting person's 10b5-1 trading plan. 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 $52.00 to $52.075. 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. Original option grant was for 300,000 shares. Fifty percent (50%) of the Shares subject to the Option shall vest twenty-four (24) months after the Vesting Commencement Date, and 1/48 of the Shares subject to the Option shall vest monthly thereafter on the same day of the month as the Vesting Commencement Date, subject to the Optionee continuing to be a Service Provider on such dates. All outstanding options have fully vested. By: Meera Rao For: Michael Hsing 2015-04-13