0001214659-21-011422.txt : 20211110 0001214659-21-011422.hdr.sgml : 20211110 20211110180121 ACCESSION NUMBER: 0001214659-21-011422 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20211108 FILED AS OF DATE: 20211110 DATE AS OF CHANGE: 20211110 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: BLEGEN THEODORE CENTRAL INDEX KEY: 0001415033 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51026 FILM NUMBER: 211398140 MAIL ADDRESS: STREET 1: 5808 LAKE WASHINGTON BLVD NE CITY: KIRKLAND STATE: WA ZIP: 98033 FORMER NAME: FORMER CONFORMED NAME: Blegen Theodore DATE OF NAME CHANGE: 20071012 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-54048.xml PRIMARY DOCUMENT X0306 4 2021-11-08 0001280452 MONOLITHIC POWER SYSTEMS INC MPWR 0001415033 BLEGEN THEODORE 5808 LAKE WASHINGTON BLVD NE KIRKLAND WA 98033 false true false false CFO Common Stock 2021-11-08 4 S false 1460 548.27 D 127085 D Common Stock 5331 I Irrevocable Trust FBO Theodore F. Blegen Common Stock 5331 I Irrevocable Trust FBO Sarah N. Blegen 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. Bernie Blegen 2021-11-10