0001280452-12-000192.txt : 20120803 0001280452-12-000192.hdr.sgml : 20120803 20120803195837 ACCESSION NUMBER: 0001280452-12-000192 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120802 FILED AS OF DATE: 20120803 DATE AS OF CHANGE: 20120803 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Rao Meera CENTRAL INDEX KEY: 0001480603 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51026 FILM NUMBER: 121008137 MAIL ADDRESS: STREET 1: 6409 GUADALUPE MINES ROAD CITY: SAN JOSE STATE: CA ZIP: 95120 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 4 1 edgardoc.xml PRIMARY DOCUMENT X0306 4 2012-08-02 0 0001280452 MONOLITHIC POWER SYSTEMS INC MPWR 0001480603 Rao Meera 79 GREAT OAKS BLVD SAN JOSE CA 95119 0 1 0 0 CFO Common Stock 2012-08-02 4 S 0 1361.0 19.0 D 97962.0 D Common Stock 2012-08-03 4 S 0 71.0 19.24 D 97891.0 D Shares sold to pay tax obligations resulting from the vesting of restricted stock units. By: Saria Tseng For: Meera Rao 2012-08-03