Maurice Sciammas

EVP, WW Sales & Marketing · Monolithic Power Systems

Maurice Sciammas (EVP, WW Sales & Marketing) 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 $26.8M of MPWR (22,875 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

0 buys · 8 sells

Median delay

–

measured on stock purchases

Volume, ttmiDollar value disclosed in the trailing twelve months

$66.4M

shares × price, as filed

Last traded

Jul 15

Filed Jul 17

Median ADV $1.2B across their filed names

Open performance→

Volume by month

Buys $0 Sells $114.7M

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 · 13 sells 13 filings

Recent filings

MPWRSALE Monolithic Power Systems, Inc. View filing → $20.1M
14,900 sh across 16 lots
Exec Jul 15
Filed Jul 17 · 5:43 PM ET MPWRSALE Monolithic Power Systems, Inc. View filing → $18.7M
11,950 sh across 7 lots
Exec May 15
Filed May 19 · 5:30 PM ET MPWRSALE Monolithic Power Systems, Inc. View filing → $602K
380 sh × $1,583.81
Exec May 5
Filed May 6 · 5:30 PM ET MPWRSALE Monolithic Power Systems, Inc. View filing → $236K
200 sh × $1,179.98
Exec Feb 11
Filed Feb 12 · 5:30 PM ET MPWRSALE Monolithic Power Systems, Inc. View filing → $26.8M
22,875 sh × $1,171.16
Exec Feb 6
Filed Feb 10 · 5:30 PM ET MPWRSALE Monolithic Power Systems, Inc. View filing → $3.6M
3,976 sh × $895.23
Exec Nov 24 2025
Filed Nov 25 2025 · 5:30 PM ET MPWRSALE Monolithic Power Systems, Inc. View filing → $6.1M
6,994 sh across 11 lots
Exec Nov 19 2025
Filed Nov 20 2025 · 5:30 PM ET MPWRSALE Monolithic Power Systems, Inc. View filing → $24.7M
27,966 sh across 12 lots
Exec Nov 19 2025
Filed Nov 20 2025 · 5:30 PM ET More filings →