0001280452-18-000052.txt : 20180222 0001280452-18-000052.hdr.sgml : 20180222 20180222165650 ACCESSION NUMBER: 0001280452-18-000052 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180215 FILED AS OF DATE: 20180222 DATE AS OF CHANGE: 20180222 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: 18633305 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: 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 2018-02-15 0 0001280452 MONOLITHIC POWER SYSTEMS INC MPWR 0001415033 Blegen Theodore 79 GREAT OAKS BLVD SAN JOSE CA 95119 0 1 0 0 CFO Common Stock 2018-02-15 4 J 0 245 86.513 A 58415 D Common Stock 2018-02-20 4 S 0 845 116.44 D 57570 D Common Stock 2018-02-20 4 S 0 442 118.8973 D 57128 D Acquired through the Company's qualified ESPP program. In accordance with the reporting person's 10b5-1 trading plan. The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans. By: Saria Tseng For: Bernie Blegen 2018-02-22