0001280452-12-000161.txt : 20120601 0001280452-12-000161.hdr.sgml : 20120601 20120601192210 ACCESSION NUMBER: 0001280452-12-000161 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120601 FILED AS OF DATE: 20120601 DATE AS OF CHANGE: 20120601 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Moyer James C CENTRAL INDEX KEY: 0001308656 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51026 FILM NUMBER: 12884504 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: 6409 GUADALUPE MINES ROAD CITY: SAN JOSE STATE: CA ZIP: 95120 BUSINESS PHONE: (408) 826-0600 MAIL ADDRESS: STREET 1: 6409 GUADALUPE MINES ROAD CITY: SAN JOSE STATE: CA ZIP: 95120 4 1 edgardoc.xml PRIMARY DOCUMENT X0305 4 2012-06-01 0 0001280452 MONOLITHIC POWER SYSTEMS INC MPWR 0001308656 Moyer James C 6409 GUADALUPE MINES ROAD SAN JOSE CA 95120 1 0 0 0 Common Stock 2012-06-01 4 S 0 400.0 18.3763 D 477583.0 I by Moyer FamilyTrust Common Stock 1007151.0 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 $18.325 to $18.40. 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: James Moyer 2012-06-01