Monolithic Power Systems, Inc.
US ˙ NasdaqGS ˙ US6098391054

SecurityMPWR / Monolithic Power Systems, Inc.
InsiderEugen J Elmiger
This page shows the track record and history of Elmiger Eugen J insider trades in Monolithic Power Systems, Inc.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Eugen J Elmiger in MPWR / Monolithic Power Systems, Inc.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Max
Price at
Max
Max
Profit ($)
Max Return (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

MPWR / Monolithic Power Systems, Inc. Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Eugen J Elmiger in MPWR / Monolithic Power Systems, Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Min
Price at
Min
Max Loss
Avoided ($)
Max Loss
Avoided (%)
2025-08-29 800 844.2500 800 844.2500 675,400 4 823.6500 -16,480 -2.44
2025-08-29 700 845.5400 700 845.5400 591,878
2025-08-29 700 846.6600 700 846.6600 592,662
2025-08-29 900 847.3000 900 847.3000 762,570
2025-08-29 100 848.0300 100 848.0300 84,803
2025-08-29 800 849.4100 800 849.4100 679,528

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

MPWR / Monolithic Power Systems, Inc. Insider Trades
Insider Transaction History
File
Date
Trade
Date
Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price
Unit
Price
Units
Changed
Value
Changed (1K)
Remaining
Options
Remaining
Shares
2025-09-02 2025-08-29 4 Elmiger Eugen J MPWR Common Stock S - Sale D 849.4100 -800 -680 17,213
2025-09-02 2025-08-29 4 Elmiger Eugen J MPWR Common Stock S - Sale D 848.0300 -100 -85 18,013
2025-09-02 2025-08-29 4 Elmiger Eugen J MPWR Common Stock S - Sale D 847.3000 -900 -763 18,113
2025-09-02 2025-08-29 4 Elmiger Eugen J MPWR Common Stock S - Sale D 846.6600 -700 -593 19,013
2025-09-02 2025-08-29 4 Elmiger Eugen J MPWR Common Stock S - Sale D 845.5400 -700 -592 19,713
2025-09-02 2025-08-29 4 Elmiger Eugen J MPWR Common Stock S - Sale D 844.2500 -800 -675 20,413
2025-02-06 2025-02-04 4 Elmiger Eugen J MPWR Common Stock A - Award D 335 21,213
2024-02-08 2024-02-06 4 Elmiger Eugen J MPWR Common Stock A - Award D 348 20,878
2023-02-08 2023-02-07 4 Elmiger Eugen J MPWR Common Stock A - Award D 470 20,530
2022-02-09 2022-02-08 4 Elmiger Eugen J MPWR Common Stock A - Award D 542 20,060
2021-02-04 2021-02-02 4 Elmiger Eugen J MPWR Common Stock A - Award D 533 19,518
2020-02-14 2020-02-12 4 Elmiger Eugen J MPWR Common Stock A - Award D 1,048 18,985
2019-02-12 2019-02-11 4 Elmiger Eugen J MPWR Common Stock A - Award D 1,339 17,937
2018-02-09 2018-02-07 4 Elmiger Eugen J MPWR Common Stock A - Award D 1,590 16,598
2017-02-08 2017-02-07 4 Elmiger Eugen J MPWR Common Stock A - Award D 1,566 15,008
2016-04-29 2016-04-28 4 Elmiger Eugen J MPWR Common Stock A - Award D 2,181 13,442
2015-02-10 2015-02-09 4 Elmiger Eugen J MPWR Common Stock A - Award D 2,533 11,261
2014-02-13 2014-02-11 4 Elmiger Eugen J MPWR Common Stock A - Award D 3,493 8,728
2012-10-25 2012-10-23 4 Elmiger Eugen J MPWR Common Stock A - Award D 5,000 5,000
P
Åbent marked eller privat køb af ikke-afledte eller afledte værdipapirer
S
Åbent marked eller privat salg af ikke-afledte eller afledte værdipapirer
A
Tildeling, tildeling eller anden erhvervelse af værdipapirer fra virksomheden (såsom en option)
C
Konvertering af derivat
D
Salg eller overførsel af værdipapirer tilbage til virksomheden
F
Betaling af udnyttelseskurs eller skatteforpligtelse ved brug af en del af værdipapirer modtaget fra selskabet
G
Gave af værdipapirer af eller til insideren
K
Aktieswaps og lignende sikringstransaktioner
M
Udnyttelse eller konvertering af afledt værdipapir modtaget fra virksomheden (såsom en option)
V
En transaktion rapporteret frivilligt på formular 4
J
Andet (ledsaget af en fodnote, der beskriver transaktionen)