0001280452-11-000101.txt : 20110504 0001280452-11-000101.hdr.sgml : 20110504 20110504122515 ACCESSION NUMBER: 0001280452-11-000101 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110503 FILED AS OF DATE: 20110504 DATE AS OF CHANGE: 20110504 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: CHANG KUO WEI HERBERT CENTRAL INDEX KEY: 0001192171 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51026 FILM NUMBER: 11809091 MAIL ADDRESS: STREET 1: C/O MARVELL SEMICONDUCTOR, INC. STREET 2: 5488 MARVELL LANE CITY: SANTA CLARA STATE: CA ZIP: 95054 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 X0303 4 2011-05-03 0 0001280452 MONOLITHIC POWER SYSTEMS INC MPWR 0001192171 CHANG KUO WEI HERBERT 6409 GUADALUPE MINES ROAD SAN JOSE CA 95120 1 0 0 0 Common Stock 2011-05-03 4 S 0 15200 16.7053 D 146619 I By VCFA GP Common Stock 86200 D Common Stock 31189 I By Investar Capital 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 $16.60 to $16.85. 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. Reporting person is a General Partner of the VCFA Growth Partners, L.P., a Cayman Island Limited Partnership. Mr. Chang retains beneficial ownership of these shares, but disclaims the economic benefit except to his pecuniary interests, if any. Reporting person is the partner of InveStar Capital, Inc. Mr. Chang retains beneficial ownership of these shares, but disclaims the economic benefit except to his pecuniary interests, if any. By: Saria Tseng For: Herbert Chang 2011-05-04