0001214659-24-014284.txt : 20240813 0001214659-24-014284.hdr.sgml : 20240813 20240813110735 ACCESSION NUMBER: 0001214659-24-014284 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240809 FILED AS OF DATE: 20240813 DATE AS OF CHANGE: 20240813 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Hsing Michael CENTRAL INDEX KEY: 0001308676 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51026 FILM NUMBER: 241199534 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-66764.xml PRIMARY DOCUMENT X0508 4 2024-08-09 0001280452 MONOLITHIC POWER SYSTEMS INC MPWR 0001308676 Hsing Michael 5808 LAKE WASHINGTON BLVD NE KIRKLAND WA 98033 true true false false CEO 1 Common Stock 2024-08-09 4 S false 200 813.23 D 865132 D Common Stock 2024-08-09 4 S false 65 814.72 D 865067 D Common Stock 2024-08-09 4 S false 458 815.37 D 864609 D Common Stock 2024-08-09 4 S false 300 816.18 D 864309 D Common Stock 2024-08-09 4 S false 100 817.10 D 864209 D Common Stock 2024-08-09 4 S false 100 821.32 D 864109 D Common Stock 2024-08-16 4 S false 100 823.27 D 864009 D Common Stock 2024-08-09 4 S false 500 824.63 D 863509 D Common Stock 2024-08-09 4 S false 200 826.00 D 863309 D Common Stock 2024-08-09 4 S false 100 827.21 D 863209 D Common Stock 2024-08-09 4 S false 500 828.15 D 862709 D Common Stock 2024-08-09 4 S false 107 831.83 D 862602 D Common Stock 2024-08-09 4 S false 262 832.28 D 862340 D Common Stock 2024-08-09 4 S false 380 836.21 D 861960 D Common Stock 2024-08-09 4 S false 391 837.57 D 861569 D Common Stock 2024-08-09 4 S false 240 838.23 D 861329 D Common Stock 2024-08-09 4 S false 146 839.90 D 861183 D Common Stock 2024-08-09 4 S false 114 840.24 D 861069 D Common Stock 133040 I by M Hsing 04 Trust Common Stock 12825 I ZH Family 2020 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 $815.05 to $815.91. 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 $816.13 to $816.20. 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 $824.28 to $824.86. 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 $828.08 to $828.16. 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 $832.12 to $832.54. 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 $836.00 to $836.59. 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 $837.45 to $837.97. 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 $839.25 to $839.92. 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 $840.23 to $840.64. 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. /s/ Saria Tseng, attorney-in-fact for Mr. Michael R. Hsing 2024-08-13