0001360833-24-000002.txt : 20240102 0001360833-24-000002.hdr.sgml : 20240102 20240102121301 ACCESSION NUMBER: 0001360833-24-000002 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240102 DATE AS OF CHANGE: 20240102 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: 24501253 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 ORGANIZATION NAME: 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

53102 33495679.56 47949991 01/02/2024 NASDAQ Common 01/01/2024 Performance Share Issuance Issuer N 42277 01/01/2024 Cash Common 12/31/2023 Performance Share Issuance Issuer N 10825 12/31/2023 Cash N Michael Hsing

5808 Lake Washington Blvd. NE Kirkland WA 98033

Common 11/08/2023 2790 1368188.10 Michael Hsing

5808 Lake Washington Blvd. NE Kirkland WA 98033

Common 11/06/2023 3790 1868166.80 01/02/2024 Michael Hsing