Guillaume Marie Jean Rutten

President and CEO

Guillaume Marie Jean Rutten (President and CEO) filed 9 Form 4 reports in the trailing twelve months (0 purchases, 9 sales), most often in Amkor Technology, Inc. (AMKR). The largest single filing was $3.7M of AMKR (50,000 sh × $74.28, as filed), executed May 8.

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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

0 buys · 9 sells

Median delay

–

execution → disclosure

Volume, ttmiDollar value disclosed in the trailing twelve months

$9.5M

shares × price, as filed

Last traded

Aug 6

Filed Aug 7

Median ADV $299.5M across their filed names

Open performance→

Volume by month

Buys $0 Sells $10.1M

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

Sectors filed on

Technology 9 filings

Sector per market data · by filing · past 12 months

Most traded names

AMKR

Amkor Technology, Inc. AMKR · 0 buys · 10 sells 10 filings

Recent filings

AMKRSALE Amkor Technology, Inc. View filing → $2.7M
50,000 sh across 2 lots
Exec Aug 5
Filed Aug 7 · 4:36 PM ET AMKRSALE Amkor Technology, Inc. View filing → $3.7M
50,000 sh × $74.28
Exec May 8
Filed May 12 · 5:30 PM ET AMKRSALE Amkor Technology, Inc. View filing → $976K
20,000 sh × $48.80
Exec Feb 24
Filed Feb 26 · 5:30 PM ET AMKRSALE Amkor Technology, Inc. View filing → $459K
10,000 sh × $45.89
Exec Feb 17
Filed Feb 18 · 5:30 PM ET AMKRSALE Amkor Technology, Inc. View filing → $531K
10,000 sh × $53.14
Exec Jan 15
Filed Jan 20 · 5:30 PM ET AMKRSALE Amkor Technology, Inc. View filing → $448K
10,000 sh × $44.80
Exec Dec 15 2025
Filed Dec 17 2025 · 5:30 PM ET AMKRSALE Amkor Technology, Inc. View filing → $317K
10,000 sh × $31.68
Exec Nov 17 2025
Filed Nov 19 2025 · 5:30 PM ET AMKRSALE Amkor Technology, Inc. View filing → $307K
10,000 sh × $30.74
Exec Oct 15 2025
Filed Oct 17 2025 · 5:30 PM ET More filings →