0001280452-19-000072.txt : 20190522 0001280452-19-000072.hdr.sgml : 20190522 20190522164934 ACCESSION NUMBER: 0001280452-19-000072 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20190520 FILED AS OF DATE: 20190522 DATE AS OF CHANGE: 20190522 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: 19846486 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: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 4040 LAKE WASHINGTON BLVD. NE STREET 2: SUITE 201 CITY: KIRKLAND STATE: WA ZIP: 98033 BUSINESS PHONE: 425-296-9956 MAIL ADDRESS: STREET 1: 4040 LAKE WASHINGTON BLVD. NE STREET 2: SUITE 201 CITY: KIRKLAND STATE: WA ZIP: 98033 4 1 edgardoc.xml PRIMARY DOCUMENT X0306 4 2019-05-20 0 0001280452 MONOLITHIC POWER SYSTEMS INC MPWR 0001360833 Sciammas Maurice 4040 LAKE WASHINGTON BLVD. NE, SUITE 201 KIRKLAND WA 98033 0 1 0 0 Sr. V.P.of Sales and Marketing Common Stock 2019-05-20 4 S 0 9942 121.092 D 411160 D Common Stock 2019-05-21 4 S 0 9941 122.8663 D 401219 D Common Stock 2000 I by Family Trust Transaction was executed during an authorized trading window in compliance with the Company's Insider Trading Compliance Program. 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 $120.50 to $121.44. 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 $122.22 to $123.25. 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 2019-05-22