0001214659-22-003138.txt : 20220224 0001214659-22-003138.hdr.sgml : 20220224 20220224164000 ACCESSION NUMBER: 0001214659-22-003138 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20220222 FILED AS OF DATE: 20220224 DATE AS OF CHANGE: 20220224 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: 22671779 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-55529.xml PRIMARY DOCUMENT X0306 4 2022-02-22 0001280452 MONOLITHIC POWER SYSTEMS INC MPWR 0001415033 BLEGEN THEODORE 4040 LAKE WASHINGTON BLVD. NE, SUITE 201 KIRKLAND WA 98033 false true false false CFO Common Stock 2022-02-22 4 S false 60 445.22 D 134647 D Common Stock 2022-02-22 4 S false 60 447.07 D 134587 D Common Stock 2022-02-22 4 S false 81 448.33 D 134506 D Common Stock 2022-02-22 4 S false 544 449.84 D 133962 D Common Stock 2022-02-22 4 S false 137 450.48 D 133825 D Common Stock 2022-02-22 4 S false 95 451.58 D 133730 D Common Stock 2022-02-22 4 S false 80 452.60 D 133650 D Common Stock 2022-02-22 4 S false 80 453.91 D 133570 D Common Stock 2022-02-22 4 S false 122 455.27 D 133448 D Common Stock 2022-02-22 4 S false 40 456.06 D 133408 D Common Stock 2022-02-22 4 S false 60 457.48 D 133348 D Common Stock 2022-02-22 4 S false 40 458.19 D 133308 D Common Stock 2022-02-22 4 S false 60 459.84 D 133248 D Common Stock 2022-02-22 4 S false 60 461.14 D 133188 D Common Stock 2022-02-22 4 S false 20 463.65 D 133168 D Common Stock 5331 I Irrevocable Trust FBO Sarah N. Blegen Common Stock 5331 I Irrevocable Trust FBO Theodore F. Blegen Shares sold pursuant to the reporting person's 10b5-1 plan. 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 $444.82 to $445.73. 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. Ending balance includes 55 shares acquired on February 15, 2022 through the Company's qualified ESPP program. 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 $446.85 to $447.47. 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 $447.96 to $448.70. 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 $449.18 to $450.17. 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 $450.26 to $450.74. 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 $451.31 to $452.13. 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 $452.34 to $453.04. 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 $453.39 to $454.38. 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 $454.83 to $455.74. 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 $455.96 to $456.15. 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 $457.03 to $457.82. 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 $458.12 to $458.25. 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 $459.47 to $460.32. 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 $460.79 to $461.65. 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. Bernie Blegen 2022-02-24