AMKR - Amkor Technology, Inc.

Insider Sale by Rutten Guillaume Marie Jean (Dir)

1 Month
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Trade Summary

3 days ago, Rutten Guillaume Marie Jean, serving as Dir at Amkor Technology, Inc. (AMKR), sold 20,000 shares at $48.80 per share, for a total transaction value of $976,000.00. Following this transaction, Rutten Guillaume Marie Jean now holds 543,866 shares of AMKR.

This sale represents a 4.00% decrease in Rutten Guillaume Marie Jean's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Tuesday, February 24, 2026 and publicly disclosed via SEC Form 4 filing on Thursday, February 26, 2026, 2 days after the trade was made.

Amkor Technology, Inc. operates in the TECHNOLOGY sector, specifically within the SEMICONDUCTOR EQUIPMENT & MATERIALS industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.

Rutten Guillaume Marie Jean

Dir

Guillaume Marie Jean Rutten, also known as Giel Rutten, is the President and CEO of Amkor Technology, Inc. (AMKR), a leading semiconductor packaging and test services provider.[[1]](https://www.gurufocus.com/insider/31065/rutten-guillaume-marie-jean)[[2]](https://www.insidertrades.com/amkor-technology-inc-stock/guillaume-marie-jean-rutten/) At 67 years old, he holds approximately 336,699 to 346,699 shares of AMKR stock, valued at over $16 million as of late 2025, and receives an annual salary of $2,010,000.[[1]](https://www.gurufocus.com/insider/31065/rutten-guillaume-marie-jean)[[2]](https://www.insidertrades.com/amkor-technology-inc-stock/guillaume-marie-jean-rutten/) Rutten has been actively involved in insider trading, completing 39 sell transactions over the past five years, with his most recent sale of 10,000 shares on November 17, 2025, for $316,800.[[1]](https://www.gurufocus.com/insider/31065/rutten-guillaume-marie-jean)[[2]](https://www.insidertrades.com/amkor-technology-inc-stock/guillaume-marie-jean-rutten/) Rutten earned a Master's degree in Physics and Chemistry from the University of Nijmegen in the Netherlands.[[2]](https://www.insidertrades.com/amkor-technology-inc-stock/guillaume-marie-jean-rutten/) His career at Amkor includes prior roles such as Executive Vice President, with recent promotions to President and CEO, as evidenced by his trading activities and ownership reports filed with the SEC.[[1]](https://www.gurufocus.com/insider/31065/rutten-guillaume-marie-jean) He is based at Amkor's headquarters in Tempe, Arizona.[[2]](https://www.insidertrades.com/amkor-technology-inc-stock/guillaume-marie-jean-rutten/)

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Trade Price

$48.80

Quantity

20,000

Total Value

$976,000.00

Shares Owned

543,866

Trade Date

Tuesday, February 24, 2026

3 days ago

SEC Filing Date

Thursday, February 26, 2026

Filed 2 days after trade

TECHNOLOGYSEMICONDUCTOR EQUIPMENT & MATERIALS

About Amkor Technology, Inc.

Company Overview

No company information available
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