0001214659-22-001924.txt : 20220204 0001214659-22-001924.hdr.sgml : 20220204 20220204170700 ACCESSION NUMBER: 0001214659-22-001924 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20220203 FILED AS OF DATE: 20220204 DATE AS OF CHANGE: 20220204 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Xiao Deming CENTRAL INDEX KEY: 0001308647 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51026 FILM NUMBER: 22594460 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-55265.xml PRIMARY DOCUMENT X0306 4 2022-02-03 0001280452 MONOLITHIC POWER SYSTEMS INC MPWR 0001308647 Xiao Deming 5808 LAKE WASHINGTON BLVD NE KIRKLAND WA 98033 false true false false Pres. of MPS Asia Operations Common Stock 2022-02-03 4 A false 39699 0.00 A 310231 D Common Stock 455 I by Spouse On February 4, 2020, the reporting person was granted a target of 13,233 shares of restricted stock units, with the right to earn up to 300% of the target shares, subject to satisfaction of pre-determined, performance-based vesting criteria. On February 3, 2022, the Company's Compensation Committee of the Board of Directors determined and approved the achievement of the performance criteria for the restricted stock units, which resulted in 26,466 additional shares being earned by the reporting person. Of the restricted stock units that were awarded, 19,851 will vest immediately and 19,848 will vest quarterly in the next two years. Ending balance was reduced by 646 to reflect the cancelled unvested RSU awards. /s/ Saria Tseng, attorney-in-fact for Mr. Deming Xiao 2022-02-04