0001214659-21-012211.txt : 20211123 0001214659-21-012211.hdr.sgml : 20211123 20211123183412 ACCESSION NUMBER: 0001214659-21-012211 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20211122 FILED AS OF DATE: 20211123 DATE AS OF CHANGE: 20211123 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: 211440474 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-54378.xml PRIMARY DOCUMENT X0306 4 2021-11-22 0001280452 MONOLITHIC POWER SYSTEMS INC MPWR 0001415033 BLEGEN THEODORE 5808 LAKE WASHINGTON BLVD NE KIRKLAND WA 98033 false true false false CFO Common Stock 2021-11-22 4 S false 47 557.08 D 122867 D Common Stock 2021-11-22 4 S false 59 557.86 D 122808 D Common Stock 2021-11-22 4 S false 40 559.07 D 122768 D Common Stock 2021-11-22 4 S false 60 560.43 D 122708 D Common Stock 2021-11-22 4 S false 41 561.37 D 122667 D Common Stock 2021-11-22 4 S false 100 563.00 D 122567 D Common Stock 2021-11-22 4 S false 220 564.17 D 122347 D Common Stock 2021-11-22 4 S false 320 565.30 D 122027 D Common Stock 2021-11-22 4 S false 268 566.29 D 121759 D Common Stock 2021-11-22 4 S false 122 567.71 D 121637 D Common Stock 2021-11-22 4 S false 82 568.92 D 121555 D Common Stock 2021-11-22 4 S false 20 569.58 D 121535 D Common Stock 2021-11-22 4 S false 40 571.03 D 121495 D Common Stock 2021-11-22 4 S false 96 572.42 D 121399 D Common Stock 2021-11-22 4 S false 25 573.35 D 121374 D Common Stock 2021-11-22 4 S false 52 574.84 D 121322 D Common Stock 2021-11-22 4 S false 60 575.96 D 121262 D Common Stock 2021-11-22 4 S false 140 577.24 D 121122 D Common Stock 2021-11-22 4 S false 60 578.12 D 121062 D Common Stock 2021-11-22 4 S false 45 579.26 D 121017 D Common Stock 5331 I Irrevocable Trust FBO Theodore F. Blegen Common Stock 5331 I Irrevocable Trust FBO Sarah N. Blegen In accordance with the reporting person's 10b5-1 trading 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 $556.52 to $557.51. 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 $557.74 to $557.96. 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 $558.74 to $559.40. 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 $560.03 to $560.70. 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 $561.04 to $561.71. 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 $562.54 to $563.44. 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 $563.68 to $564.54. 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 $564.82 to $565.75. 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 $565.82 to $566.78. 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 $567.27 to $568.26. 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 $568.48 to $569.23. 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 $570.65 to $571.41. 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 $572.04 to $572.99. 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 $573.24 to $574.00. 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 $574.50 to $575.00. 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 $575.58 to $576.34. 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 $576.65 to $577.60. 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 $577.65 to $578.44. 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 $578.77 to $579.76. 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 2021-11-23