0001214659-21-008911.txt : 20210823 0001214659-21-008911.hdr.sgml : 20210823 20210823165728 ACCESSION NUMBER: 0001214659-21-008911 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210820 FILED AS OF DATE: 20210823 DATE AS OF CHANGE: 20210823 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Zhou Jeff CENTRAL INDEX KEY: 0001480772 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51026 FILM NUMBER: 211197562 MAIL ADDRESS: STREET 1: 6409 GUADALUPE MINES ROAD CITY: SAN JOSE STATE: CA ZIP: 95120 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 marketforms-53631.xml PRIMARY DOCUMENT X0306 4 2021-08-20 0001280452 MONOLITHIC POWER SYSTEMS INC MPWR 0001480772 Zhou Jeff 5808 LAKE WASHINGTON BLVD NE KIRKLAND WA 98033 true false false false Common Stock 2021-08-20 4 S false 300 477.00 D 5809 D /s/ Saria Tseng, attorney-in-fact for Mr. Jeff Zhou 2021-08-23