0001312593-24-000002.txt : 20240205 0001312593-24-000002.hdr.sgml : 20240205 20240205122628 ACCESSION NUMBER: 0001312593-24-000002 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240205 DATE AS OF CHANGE: 20240205 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: 24594766 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: Tseng Saria CENTRAL INDEX KEY: 0001312593 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 0001312593 XXXXXXXX LIVE 0001280452 MONOLITHIC POWER SYSTEMS INC 000-51026 5808 LAKE WASHINGTON BLVD. NE KIRKLAND WA 98033 425-296-9956 Tseng Saria Officer Common ETRADE Financial Corporation

3 EDISON DRIVE Alpharetta GA 30005

2481 1577568.66 48590678 02/05/2024 NASDAQ Common 02/05/2024 Performance Shares Issuer N 2481 02/05/2024 Cash N Saria Tseng

5808 Lake Washington Blvd. NE Kirkland WA 98033

Common 01/09/2024 1390 834000.00 Saria Tseng

5808 Lake Washington Blvd. NE Kirkland WA 98033

Common 01/04/2024 25314 14761502.17 Saria Tseng

5808 Lake Washington Blvd. NE Kirkland WA 98033

Common 12/13/2023 18610 11166000.00 Saria Tseng

5808 Lake Washington Blvd. NE Kirkland WA 98033

Common 11/08/2023 859 421245.01 02/05/2024 Saria Tseng