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CIK 0001280452 · Large accelerated filer

MONOLITHIC POWER SYSTEMS, INC.

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Ticker
MPWR
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
770466789
Phone
561-839-3999
Business address
1555 PALM BEACH LAKES BLVD., WEST PALM BEACH, FL, 33401
Former names
MONOLITHIC POWER SYSTEMS INC
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$40,463,134
in 4 filings, $40.3M under 10b5-1 plans

Net −$40,463,134. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2022-01-20 BLEGEN THEODORE CFO Sale −30 $424.14 $13K 116,318
2022-01-03 Sciammas Maurice Sr. V.P.of Sales and Marketing Sale −4,305 $490.87 $2.1M 245,405
2022-01-03 Xiao Deming Pres. of MPS Asia Operations Sale −4,305 $490.87 $2.1M 270,532
2022-01-03 BLEGEN THEODORE CFO Sale −905 $490.87 $444K 118,215
2022-01-03 Hsing Michael CEO Sale −10,960 $490.87 $5.4M 950,325
2022-01-03 Tseng Saria VP & General Counsel Sale −4,305 $490.87 $2.1M 246,603
2021-12-20 BLEGEN THEODORE CFO Sale −1,897 $474.35 $900K 119,120
2021-11-30 Xiao Deming Pres. of MPS Asia Operations Sale −4,366 $560.00 $2.4M 274,837
2021-11-22 BLEGEN THEODORE CFO Sale −47 $557.08 $26K 122,867
2021-11-22 BLEGEN THEODORE CFO Sale −59 $557.86 $33K 122,808
2021-11-22 BLEGEN THEODORE CFO Sale −40 $559.07 $22K 122,768
2021-11-22 BLEGEN THEODORE CFO Sale −60 $560.43 $34K 122,708
2021-11-22 BLEGEN THEODORE CFO Sale −41 $561.37 $23K 122,667
2021-11-22 BLEGEN THEODORE CFO Sale −100 $563.00 $56K 122,567
2021-11-22 BLEGEN THEODORE CFO Sale −220 $564.17 $124K 122,347
2021-11-22 BLEGEN THEODORE CFO Sale −320 $565.30 $181K 122,027
2021-11-22 BLEGEN THEODORE CFO Sale −268 $566.29 $152K 121,759
2021-11-22 BLEGEN THEODORE CFO Sale −122 $567.71 $69K 121,637
2021-11-22 BLEGEN THEODORE CFO Sale −82 $568.92 $47K 121,555
2021-11-22 BLEGEN THEODORE CFO Sale −20 $569.58 $11K 121,535

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