0001280452-14-000073.txt : 20140228 0001280452-14-000073.hdr.sgml : 20140228 20140228212938 ACCESSION NUMBER: 0001280452-14-000073 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20140228 FILED AS OF DATE: 20140228 DATE AS OF CHANGE: 20140228 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: 14657950 MAIL ADDRESS: STREET 1: 79 GREAT OAKS BLVD CITY: SAN JOSE STATE: CA ZIP: 95119 4 1 edgardoc.xml PRIMARY DOCUMENT X0306 4 2014-02-28 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 2014-02-28 4 S 0 5151.0 36.3984 D 328210 D Common Stock 465566 I By Jointly w/Spouse Common Stock 133040 I By S. Hsing 04 Trust Common Stock 29000 I Hsing Fam Foundation Common Stock 133040 I by M Hsing 04 Trust 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 $36.18 to $36.555. 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. By: Saria Tseng For: Michael Hsing 2014-02-28