0001214659-24-014222.txt : 20240812 0001214659-24-014222.hdr.sgml : 20240812 20240812143840 ACCESSION NUMBER: 0001214659-24-014222 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240808 FILED AS OF DATE: 20240812 DATE AS OF CHANGE: 20240812 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Sciammas Maurice CENTRAL INDEX KEY: 0001360833 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51026 FILM NUMBER: 241196251 MAIL ADDRESS: STREET 1: 79 GREAT OAKS BLVD CITY: SAN JOSE STATE: CA ZIP: 95119 ISSUER: 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 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 4 1 marketforms-66758.xml PRIMARY DOCUMENT X0508 4 2024-08-08 0001280452 MONOLITHIC POWER SYSTEMS INC MPWR 0001360833 Sciammas Maurice 5808 LAKE WASHINGTON BLVD NE KIRKLAND WA 98033 false true false false EVP, WW Sales & Marketing 0 Common Stock 2024-08-08 4 S false 859 778.39 D 114812 D Common Stock 32064 I Sciammas Family Trust Common Stock 23015 I By Sciammas Trust 2020 Common Stock 20206 I Various Sciammas GRATs Common Stock 13424 I Christina Sciammas Trust FBO Oski Crew Common Stock 13424 I Maurice Sciammas Trust FBO Oski Crew Common Stock 5000 I Clement Sciammas Family 2021 Trust Common Stock 2000 I Rosalind Sciammas Family 2021 Trust Common Stock 2000 I Peter Rafferty and Eric Toothill 2021Trust Common Stock 1699 I The Joseph Roger Sciammas 2020 Irrevocable Trust Common Stock 1699 I The Chloe Liliane Sciammas 2020 Irrevocable Trust Common Stock 1699 I The Patrick Francis Sciammas 2020 Irrevocable Trust The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plan. /s/ Saria Tseng, attorney-in-fact for Mr. Maurice Sciammas 2024-08-12