0001280452-15-000046.txt : 20150218 0001280452-15-000046.hdr.sgml : 20150216 20150217191731 ACCESSION NUMBER: 0001280452-15-000046 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20150213 FILED AS OF DATE: 20150217 DATE AS OF CHANGE: 20150217 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: Lee Victor K CENTRAL INDEX KEY: 0001292133 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51026 FILM NUMBER: 15625210 MAIL ADDRESS: STREET 1: C/O LEADIS TECHNOLOGY STREET 2: 800 W. CALIFORNIA AVENUE, SUITE 200 CITY: SUNNYVALE STATE: CA ZIP: 94086 4 1 edgardoc.xml PRIMARY DOCUMENT X0306 4 2015-02-13 0 0001280452 MONOLITHIC POWER SYSTEMS INC MPWR 0001292133 Lee Victor K 1539 QUEENSTOWN CT. SUNNYVALE CA 94087 1 0 0 0 Common Stock 2015-02-13 4 M 0 5000.0 23.05 A 25615 D Common Stock 2015-02-13 4 S 0 5000.0 50.25 D 20615 D Non-Qualified Stock Option (right to buy) 23.05 2015-02-13 4 M 0 5000.0 0.0 D 2009-05-22 2015-05-22 Common Stock 0 10000 D Transaction was executed during an authorized trading window in compliance with the Company's Insider Trading Compliance Program. By: Saria Tseng For: Victor Lee 2015-02-17