Paydirt
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 8 2026.

Add to watchlist
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 → $16.8M
20,231 sh across 11 lots
Exec Aug 15 2025
Filed Aug 18 2025 · 5:30 PM ET
MPWRSALE Monolithic Power Systems, Inc. View filing → $3.6M
5,200 sh × $700.00
Exec Feb 18 2025
Filed Feb 20 2025 · 5:30 PM ET
MPWRSALE Monolithic Power Systems, Inc. View filing → $1.9M
2,594 sh × $717.10
Exec Feb 10 2025
Filed Feb 12 2025 · 5:30 PM ET
MPWRSALE Monolithic Power Systems, Inc. View filing → $8.4M
11,964 sh × $700.00
Exec Feb 7 2025
Filed Feb 11 2025 · 5:30 PM ET
MPWRSALE Monolithic Power Systems, Inc. View filing → $2.5M
3,636 sh × $700.00
Exec Jan 24 2025
Filed Jan 28 2025 · 5:30 PM ET
MPWRSALE Monolithic Power Systems, Inc. View filing → $2.2M
2,812 sh × $765.15
Exec Nov 8 2024
Filed Nov 13 2024 · 5:30 PM ET