0001969223-24-000605.txt : 20240815 0001969223-24-000605.hdr.sgml : 20240815 20240815113851 ACCESSION NUMBER: 0001969223-24-000605 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240815 DATE AS OF CHANGE: 20240815 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: MONOLITHIC POWER SYSTEMS INC CENTRAL INDEX KEY: 0001280452 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] ORGANIZATION NAME: 04 Manufacturing IRS NUMBER: 770466789 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 000-51026 FILM NUMBER: 241211176 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 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: CHANG KUO WEI HERBERT CENTRAL INDEX KEY: 0001192171 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O MARVELL SEMICONDUCTOR, INC. STREET 2: 5488 MARVELL LANE CITY: SANTA CLARA STATE: CA ZIP: 95054 144 1 primary_doc.xml 144 0001192171 XXXXXXXX LIVE 0001280452 MONOLITHIC POWER SYSTEMS INC 000-51026 5808 LAKE WASHINGTON BLVD. NE KIRKLAND WA 98033 425-296-9956 KUO WEI CHANG Director Common UBS Financial Services Inc

1000 Harbor Blvd 3rd Floor Weehawken NJ 07086

200 177600 48752000 08/15/2024 NASDAQ Common 02/07/2024 RSU Issuer N 200 02/07/2024 N/A N KUO WEI CHANG

5808 LAKE WASHINGTON BLVD. NE KIRKLAND WA 98033

Common 05/15/2024 200 147000 KUO WEI CHANG

5808 LAKE WASHINGTON BLVD. NE KIRKLAND WA 98033

Common 05/20/2024 200 150000 08/15/2024 /s/ UBS Financial Services Inc, as attorney-in-fact for KUO WEI CHANG