0001308676-23-000010.txt : 20231103 0001308676-23-000010.hdr.sgml : 20231103 20231103121120 ACCESSION NUMBER: 0001308676-23-000010 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20231103 DATE AS OF CHANGE: 20231103 SUBJECT COMPANY: 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 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 000-51026 FILM NUMBER: 231375170 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: Hsing Michael CENTRAL INDEX KEY: 0001308676 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 79 GREAT OAKS BLVD CITY: SAN JOSE STATE: CA ZIP: 95119 144 1 primary_doc.xml 144 0001308676 XXXXXXXX LIVE 0001280452 MONOLITHIC POWER SYSTEMS INC 000-51026 5808 LAKE WASHINGTON BLVD. NE KIRKLAND WA 98033 425-296-9956 Hsing Michael Officer Director Common ETRADE Financial Corporation

3 EDISON DRIVE ALPHARETTA GA 30005

9582 4704762.00 47911911 11/06/2023 NASDAQ Common 11/06/2023 Performance Shares Issuer N 9582 11/06/2023 Cash N Michael Hsing

5808 Lake Washington Blvd. NE Kirkland WA 98033

Common 10/02/2023 10960 5022979.45 11/03/2023 Michael Hsing