0001950047-24-000284.txt : 20240112 0001950047-24-000284.hdr.sgml : 20240112 20240112162501 ACCESSION NUMBER: 0001950047-24-000284 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240112 DATE AS OF CHANGE: 20240112 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: 24532333 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 38th Floor New York NY 10004

11000 6403236.40 47912000 01/12/2024 NASDAQ COMMON 01/01/2024 Performance Shares ISSUER N 4895 01/01/2024 Not Applicable COMMON 12/31/2023 Performance Shares ISSUER N 6105 12/31/2023 Not Applicable N MAURICE SCIAMMAS

5808 Lake Washington Blvd. NE Kirkland WA 98033

Common 01/04/2024 27659 16128955.90 MAURICE SCIAMMAS

5808 Lake Washington Blvd. NE Kirkland WA 98033

Common 11/08/2023 859 421245.01 MAURICE SCIAMMAS

5808 Lake Washington Blvd. NE Kirkland WA 98033

Common 11/06/2023 982 484047.44 01/12/2024 08/30/2023 /s/ Maurice Sciammas