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Amkor Technology (AMKR) Is Down 17.0% After Insider Selling And A $7 Billion Arizona Bet - Has The Bull Case Changed?

Simply Wall St·12/18/2025 21:22:00
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  • In recent days, Amkor Technology has come under pressure after insider selling, including a large block sale by a director, coincided with softer near-term earnings expectations despite projected double-digit revenue growth.
  • At the same time, the company is committing to a very large US$7.00 billion advanced packaging campus in Arizona, underscoring its role in the onshoring of semiconductor manufacturing as AI and data center demand reshape global chip supply chains.
  • Against this backdrop, we will examine how insider selling activity and Amkor’s Arizona expansion plan influence its broader investment narrative.

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What Is Amkor Technology's Investment Narrative?

To own Amkor, you have to believe its advanced packaging franchise will benefit from rising AI and data center chip complexity, even if the near term is bumpy. The recent 8% share price drop after insider selling, alongside expectations for softer earnings against double digit revenue growth, puts a spotlight on execution risk rather than changing the core story. The US$7.00 billion Arizona campus and CEO transition planned for 2026 already made capital intensity, margins and balance sheet flexibility the key near term swing factors. The latest selloff, driven more by sentiment than a shift in guidance, mostly reinforces those existing catalysts and risks rather than creating new ones, but it does show how quickly confidence can move when fundamentals and heavy investment plans meet.

However, rising capex and modest margins could become a tougher mix than many investors expect. Amkor Technology's share price has been on the slide but might be dropping deeper into value territory. Find out whether it's a bargain at this price.

Exploring Other Perspectives

AMKR 1-Year Stock Price Chart
AMKR 1-Year Stock Price Chart
Nine Simply Wall St Community fair value estimates span roughly US$12.53 to US$56.24 per share, showing how widely individual views differ. Set against Amkor’s heavy US$7.00 billion Arizona commitment and margin pressures, that spread underlines why it helps to weigh several viewpoints before deciding how much of this capital intensive story you want in a portfolio.

Explore 9 other fair value estimates on Amkor Technology - why the stock might be worth less than half the current price!

Build Your Own Amkor Technology Narrative

Disagree with this assessment? Create your own narrative in under 3 minutes - extraordinary investment returns rarely come from following the herd.

  • A great starting point for your Amkor Technology research is our analysis highlighting 3 key rewards that could impact your investment decision.
  • Our free Amkor Technology research report provides a comprehensive fundamental analysis summarized in a single visual - the Snowflake - making it easy to evaluate Amkor Technology's overall financial health at a glance.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.