0001214659-23-001843.txt : 20230208 0001214659-23-001843.hdr.sgml : 20230208 20230208195212 ACCESSION NUMBER: 0001214659-23-001843 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230207 FILED AS OF DATE: 20230208 DATE AS OF CHANGE: 20230208 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: CHANG KUO WEI HERBERT CENTRAL INDEX KEY: 0001192171 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51026 FILM NUMBER: 23600677 MAIL ADDRESS: STREET 1: C/O MARVELL SEMICONDUCTOR, INC. STREET 2: 5488 MARVELL LANE CITY: SANTA CLARA STATE: CA ZIP: 95054 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-59351.xml PRIMARY DOCUMENT X0306 4 2023-02-07 0001280452 MONOLITHIC POWER SYSTEMS INC MPWR 0001192171 CHANG KUO WEI HERBERT 5808 LAKE WASHINGTON BLVD NE KIRKLAND WA 98033 true false false false Common Stock 2023-02-07 4 A false 470 0 A 2293 D On February 7, 2023, the Board of Directors approved the annual restricted stock unit grant to each independent director. The RSU grant will vest one year after the grant date, subject to continued service with the company. Ending balance adjusted to remove 533 shares double counted on last Form 4. /s/ Saria Tseng, attorney-in-fact for Mr. Herbert Chang 2023-02-07