0001308676-24-000004.txt : 20240508 0001308676-24-000004.hdr.sgml : 20240508 20240508121141 ACCESSION NUMBER: 0001308676-24-000004 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240508 DATE AS OF CHANGE: 20240508 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: 24924946 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 Stock Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

7050 4950651.00 48679148 05/08/2024 NASDAQ Common Stock 05/08/2024 Performance Shares Issuer N 7050 05/08/2024 Cash N Michael Hsing

5808 Lake Washington Blvd. NE Kirkland WA 98033

Common Stock 05/01/2024 8000 5294838.05 Michael Hsing

5808 Lake Washington Blvd. NE Kirkland WA 98033

Common Stock 04/01/2024 8000 5419520.54 Michael Hsing

5808 Lake Washington Blvd. NE Kirkland WA 98033

Common Stock 03/01/2024 8000 5808629.78 Michael Hsing

5808 Lake Washington Blvd. NE Kirkland WA 98033

Common Stock 02/08/2024 2790 1897200.00 05/08/2024 Michael Hsing