0001950047-24-005268.txt : 20240708 0001950047-24-005268.hdr.sgml : 20240708 20240708161038 ACCESSION NUMBER: 0001950047-24-005268 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240708 DATE AS OF CHANGE: 20240708 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: 241104819 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: Sciammas Maurice CENTRAL INDEX KEY: 0001360833 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 0001360833 XXXXXXXX LIVE 0001280452 MONOLITHIC POWER SYSTEMS, INC. 000-51026 5808 Lake Washington Blvd. NE Kirkland WA 98033 (425) 296-9956 MAURICE SCIAMMAS Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

11000 9282116.80 48672000 07/08/2024 NASDAQ COMMON 05/07/2024 Performance Shares ISSUER N 1301 05/07/2024 Not Applicable COMMON 12/31/2022 Performance Shares ISSUER N 2106 12/31/2022 Not Applicable COMMON 11/03/2022 Performance Shares ISSUER N 1499 11/03/2022 Not Applicable COMMON 09/30/2022 Performance Shares ISSUER N 6094 09/30/2022 Not Applicable N MAURICE SCIAMMAS

5808 Lake Washington Blvd. NE Kirkland WA 98033

Common 05/08/2024 869 599610.74 07/08/2024 08/30/2023 /s/ Maurice Sciammas