0001308676-24-000003.txt : 20240208 0001308676-24-000003.hdr.sgml : 20240208 20240208121522 ACCESSION NUMBER: 0001308676-24-000003 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240208 DATE AS OF CHANGE: 20240208 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: 24607849 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

7053 4552076.73 48610790 02/08/2024 NASDAQ Common 02/08/2024 Performance Shares Issuer N 7053 02/08/2024 Cash N Michael Hsing

5808 Lake Washington Blvd. NE Kirkland WA 98033

Common 02/05/2024 3791 2430031.00 Michael Hsing

5808 Lake Washington Blvd. NE Kirkland WA 98033

Common 02/01/2024 8000 4816038.51 Michael Hsing

5808 Lake Washington Blvd. NE Kirkland WA 98033

Common 01/05/2024 8000 4578228.62 Michael Hsing

5808 Lake Washington Blvd. NE Kirkland WA 98033

Common 01/04/2024 58654 34203253.11 02/08/2024 Michael Hsing