0001280452-18-000058.txt : 20180321 0001280452-18-000058.hdr.sgml : 20180321 20180321172514 ACCESSION NUMBER: 0001280452-18-000058 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180319 FILED AS OF DATE: 20180321 DATE AS OF CHANGE: 20180321 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Sciammas Maurice CENTRAL INDEX KEY: 0001360833 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51026 FILM NUMBER: 18705230 MAIL ADDRESS: STREET 1: 79 GREAT OAKS BLVD CITY: SAN JOSE STATE: CA ZIP: 95119 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 2018-03-19 0 0001280452 MONOLITHIC POWER SYSTEMS INC MPWR 0001360833 Sciammas Maurice 79 GREAT OAKS BLVD SAN JOSE CA 95119 0 1 0 0 Sr. V.P.of Sales and Marketing Common Stock 2018-03-19 4 S 0 1200 123.5232 D 424401 D Common Stock 2018-03-19 4 S 0 3219 121.4933 D 421182 D Common Stock 2000 I by Family 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 $123.03 to $123.93. 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. 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 $119.94 to $122.99. 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: Maurice Sciammas 2018-03-21