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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
2024-08-09 Hsing Michael CEO Sale 10b5-1 −380 $836.21 $318K 861,960
2024-08-09 Hsing Michael CEO Sale 10b5-1 −391 $837.57 $327K 861,569
2024-08-09 Hsing Michael CEO Sale 10b5-1 −240 $838.23 $201K 861,329
2024-08-09 Hsing Michael CEO Sale 10b5-1 −146 $839.90 $123K 861,183
2024-08-09 Hsing Michael CEO Sale 10b5-1 −114 $840.24 $96K 861,069
2024-08-08 Moyer James C Director Gift −22,000 11,731
2024-08-08 Xiao Deming EVP, Global Operations Sale −859 $778.39 $669K 202,354
2024-08-08 Tseng Saria EVP & General Counsel Sale −859 $778.39 $669K 160,506
2024-08-08 Sciammas Maurice EVP, WW Sales & Marketing Sale −859 $778.39 $669K 114,812
2024-08-08 BLEGEN THEODORE EVP and CFO Sale −728 $778.39 $567K 64,178
2024-08-08 Hsing Michael CEO Sale −2,790 $778.39 $2.2M 865,332
2024-08-01 BLEGEN THEODORE EVP and CFO Sale 10b5-1 −350 $842.43 $295K 67,056
2024-08-01 BLEGEN THEODORE EVP and CFO Sale 10b5-1 −200 $848.85 $170K 66,856
2024-08-01 BLEGEN THEODORE EVP and CFO Sale 10b5-1 −300 $851.63 $255K 66,556
2024-08-01 BLEGEN THEODORE EVP and CFO Sale 10b5-1 −100 $852.80 $85K 66,456
2024-08-01 BLEGEN THEODORE EVP and CFO Sale 10b5-1 −360 $853.66 $307K 66,096
2024-08-01 BLEGEN THEODORE EVP and CFO Sale 10b5-1 −228 $854.10 $195K 65,868
2024-08-01 BLEGEN THEODORE EVP and CFO Sale 10b5-1 −432 $855.66 $370K 65,436
2024-08-01 BLEGEN THEODORE EVP and CFO Sale 10b5-1 −430 $856.43 $368K 65,006
2024-08-01 BLEGEN THEODORE EVP and CFO Sale 10b5-1 −100 $859.12 $86K 64,906

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