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MH
Insider

Michael Hsing

CEO · Monolithic Power Systems

Michael Hsing (CEO) filed 8 Form 4 reports in the trailing twelve months (0 purchases, 8 sales), most often in Monolithic Power Systems, Inc. (MPWR). The largest single filing was $64.3M of MPWR (54,923 sh × $1,171.16, as filed), executed Feb 6. Data as of Nov 7 2026.

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Return, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
8
0 buys · 8 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$280.7M
shares × price, as filed
Last traded
Sep 28
Filed Sep 30

Median ADV $1.2B across their filed names

Open performance→
Volume by month
$181.1M$90.5M$0Dec 2024Jun 2025Dec 2025Jun 2026Jan 2025 · sells $2.5MFeb 2025 · sells $13.9MAug 2025 · sells $16.8MNov 2025 · sells $73.9MFeb 2026 · sells $181.1MMay 2026 · sells $59.3MSep 2026 · sells $40.3M
Buys $0 Sells $387.8M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Technology 8 filings

Sector per market data · by filing · past 12 months

Most traded names
MPWR Monolithic Power Systems, Inc. MPWR · 0 buys · 14 sells 14 filings
Recent filings
MPWRSALE Monolithic Power Systems, Inc. View filing → $40.3M
30,000 sh across 8 lots
Exec Sep 28
Filed Sep 30 · 5:21 PM ET
MPWRSALE Monolithic Power Systems, Inc. View filing → $59.3M
40,000 sh across 13 lots
Exec May 18
Filed May 20 · 5:30 PM ET
MPWRSALE Monolithic Power Systems, Inc. View filing → $38.7M
33,000 sh across 12 lots
Exec Feb 12
Filed Feb 17 · 5:30 PM ET
MPWRSALE Monolithic Power Systems, Inc. View filing → $39.2M
33,000 sh across 10 lots
Exec Feb 11
Filed Feb 13 · 5:30 PM ET
MPWRSALE Monolithic Power Systems, Inc. View filing → $38.8M
34,000 sh across 9 lots
Exec Feb 10
Filed Feb 12 · 5:30 PM ET
MPWRSALE Monolithic Power Systems, Inc. View filing → $64.3M
54,923 sh × $1,171.16
Exec Feb 6
Filed Feb 10 · 5:30 PM ET
MPWRSALE Monolithic Power Systems, Inc. View filing → $35.7M
36,941 sh across 18 lots
Exec Nov 12 2025
Filed Nov 13 2025 · 5:30 PM ET
MPWRSALE Monolithic Power Systems, Inc. View filing → $38.3M
39,920 sh across 16 lots
Exec Nov 11 2025
Filed Nov 13 2025 · 5:30 PM ET
More filings →