0001214659-23-015381.txt : 20231120 0001214659-23-015381.hdr.sgml : 20231120 20231120165054 ACCESSION NUMBER: 0001214659-23-015381 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231116 FILED AS OF DATE: 20231120 DATE AS OF CHANGE: 20231120 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Moyer James C CENTRAL INDEX KEY: 0001308656 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51026 FILM NUMBER: 231423386 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-63537.xml PRIMARY DOCUMENT X0508 4 2023-11-16 0001280452 MONOLITHIC POWER SYSTEMS INC MPWR 0001308656 Moyer James C 5808 LAKE WASHINGTON BLVD NE KIRKLAND WA 98033 true false false false 0 Common Stock 2023-11-16 4 G false 3800 0 D 41261 I JCM Management Trust Common Stock 2023-11-16 4 G false 3800 0 A 3800 I Moyer Family Foundation Common Stock 2023-11-16 4 S false 2087 538.34 D 1713 I Moyer Family Foundation Common Stock 2023-11-16 4 S false 1502 539.60 D 211 I Moyer Family Foundation Common Stock 2023-11-16 4 S false 211 540.18 D 0 I Moyer Family Foundation Common Stock 3450 I by Moyer FamilyTrust Common Stock 470 D The reported transaction involved a transfer of securities by gift for which no payment of consideration was received by the reporting person. The ending balance reflects a transfer of 2,123 shares from the reporting person's direct ownership to his indirect ownership. No payment of consideration was received by the reporting person. The Moyer Family Foundation is a 501(c)(3) foundation and the reporting person is on the management board of the charity. /s/ Saria Tseng, attorney-in-fact for Mr. James C. Moyer 2023-11-20