0001214659-24-006366.txt : 20240409 0001214659-24-006366.hdr.sgml : 20240409 20240409111456 ACCESSION NUMBER: 0001214659-24-006366 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240408 FILED AS OF DATE: 20240409 DATE AS OF CHANGE: 20240409 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Sciammas Maurice CENTRAL INDEX KEY: 0001360833 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51026 FILM NUMBER: 24831598 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-65518.xml PRIMARY DOCUMENT X0508 4 2024-04-08 0001280452 MONOLITHIC POWER SYSTEMS INC MPWR 0001360833 Sciammas Maurice 5808 LAKE WASHINGTON BLVD NE KIRKLAND WA 98033 false true false false EVP of Sales and Marketing 1 Common Stock 2024-04-08 4 S false 345 668.76 D 141399 D Common Stock 2024-04-08 4 S false 200 673.28 D 141199 D Common Stock 2024-04-08 4 S false 100 674.54 D 141099 D Common Stock 2024-04-08 4 S false 49 675.61 D 141050 D Common Stock 2024-04-08 4 S false 251 676.57 D 140799 D Common Stock 2024-04-08 4 S false 300 678.50 D 140499 D Common Stock 2024-04-08 4 S false 300 679.52 D 140199 D Common Stock 2024-04-08 4 S false 1476 680.82 D 138723 D Common Stock 2024-04-08 4 S false 769 681.19 D 137954 D Common Stock 2024-04-08 4 S false 3296 682.12 D 134658 D Common Stock 2024-04-08 4 S false 1714 683.50 D 132944 D Common Stock 2024-04-08 4 S false 691 684.88 D 132253 D Common Stock 2024-04-08 4 S false 1199 685.32 D 131054 D Common Stock 2024-04-08 4 S false 100 686.05 D 130954 D Common Stock 2024-04-08 4 S false 10 687.38 D 130944 D Common Stock 2024-04-08 4 S false 100 689.85 D 130844 D Common Stock 2024-04-08 4 S false 100 690.15 D 130744 D Common Stock 26992 I Sciammas Family Trust Common Stock 23015 I By Sciammas Trust 2020 Common Stock 22098 I Various Sciammas GRATs Common Stock 15014 I Christina Sciammas Trust FBO Oski Crew Common Stock 15014 I Maurice Sciammas Trust FBO Oski Crew Common Stock 5000 I Clement Sciammas Family 2021 Trust Common Stock 2000 I Peter Rafferty and Eric Toothill 2021Trust Common Stock 2000 I Rosalind Sciammas Family 2021 Trust Common Stock 1699 I The Joseph Roger Sciammas 2020 Irrevocable Trust Common Stock 1699 I The Chloe Liliane Sciammas 2020 Irrevocable Trust 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 $676.40 to $676.78. 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 $678.42 to $678.54. 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 $680.62 to $680.93. 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 $681.01 to $681.85. 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 $682.00 to $682.98. 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 $683.00 to $683.75. 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 $684.78 to $684.99. 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 $685.00 to $685.69. 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. Maurice Sciammas 2024-04-09