0001280452-20-000012.txt : 20200123 0001280452-20-000012.hdr.sgml : 20200123 20200123171749 ACCESSION NUMBER: 0001280452-20-000012 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20200121 FILED AS OF DATE: 20200123 DATE AS OF CHANGE: 20200123 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Blegen Theodore CENTRAL INDEX KEY: 0001415033 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51026 FILM NUMBER: 20543023 MAIL ADDRESS: STREET 1: 2800 BRIDGE PARKWAY CITY: REDWOOD CITY STATE: CA ZIP: 94065 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: 5808 LAKE WASHINGTON BLVD. NE CITY: KIRKLAND STATE: WA ZIP: 98033 BUSINESS PHONE: 425-296-9956 MAIL ADDRESS: STREET 1: 5808 LAKE WASHINGTON BLVD. NE CITY: KIRKLAND STATE: WA ZIP: 98033 4 1 edgardoc.xml PRIMARY DOCUMENT X0306 4 2020-01-21 0 0001280452 MONOLITHIC POWER SYSTEMS INC MPWR 0001415033 Blegen Theodore 5808 LAKE WASHINGTON BLVD NE KIRKLAND WA 98033 0 1 0 0 CFO Common Stock 2020-01-21 4 S 0 819 181.12 D 98313 D Common Stock 2020-01-21 4 S 0 965 181.12 D 97348 D The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans. In accordance with the reporting person's 10b5-1 trading plan. By: Saria Tseng For: Bernie Blegen 2020-01-23