0001214659-23-002726.txt : 20230217 0001214659-23-002726.hdr.sgml : 20230217 20230217172511 ACCESSION NUMBER: 0001214659-23-002726 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230215 FILED AS OF DATE: 20230217 DATE AS OF CHANGE: 20230217 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Sciammas Maurice CENTRAL INDEX KEY: 0001360833 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51026 FILM NUMBER: 23644132 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] 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-59517.xml PRIMARY DOCUMENT X0306 4 2023-02-15 0001280452 MONOLITHIC POWER SYSTEMS INC MPWR 0001360833 Sciammas Maurice 5808 LAKE WASHINGTON BLVD NE KIRKLAND WA 98033 false true false false Sr. V.P.of Sales and Marketing Common Stock 2023-02-15 4 S false 2682 517.68 D 215630 D Common Stock 2023-02-15 4 S false 3200 519.02 D 212430 D Common Stock 2023-02-15 4 S false 4340 520.20 D 208090 D Common Stock 2023-02-15 4 S false 2778 520.90 D 205334 D Common Stock 13502 I by Family Trust Common Stock 2000 I Rosalind Sciammas Family 2021 Trust Common Stock 23015 I By Sciammas Trust 2020 Common Stock 26700 I By GRAT Common Stock 1699 I The Chloe Liliane Sciammas 2020 Irrevocable Trust Common Stock 1699 I The Joseph Roger Sciammas 2020 Irrevocable Trust Common Stock 5000 I Clement Sciammas Family 2021 Trust Common Stock 2000 I Peter Rafferty and Eric Toothill 2021Trust Common Stock 19458 I Christina Sciammas Trust FBO Oski Crew Common Stock 19458 I Maurice Sciammas Trust FBO Oski Crew Common Stock 1699 I The Patrick Francis Sciammas 2020 Irrevocable Trust The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $517.40 to $518.38. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $518.55 to $519.53. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $519.57 to $520.55. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $520.58 to $521.46. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. Ending balance includes 22 shares acquired on February 15, 2023 through the Company's qualified ESPP program. /s/ Saria Tseng, attorney-in-fact for Mr. Maurice Sciammas 2023-02-17