A member of a 10% owner group in Amkor Technology, Inc. (NASDAQ: AMKR ), Agnes C. Kim, reported selling 441,589 shares of common stock on August 1, 2025, according to a Form 4 filing with the Securities and Exchange Commission. The shares were sold at a price of $21.85, with the transaction amounting to approximately $9.6 million. The sale comes as the $5.5 billion semiconductor company's stock has declined 11.6% over the past week. InvestingPro analysis indicates the stock is currently trading below its Fair Value. Following the transaction, Kim Agnes C. indirectly owns 12,290,281 shares and directly owns 1,833,000 shares in Amkor Technology, Inc. The company maintains a FAIR financial health score according to InvestingPro, which offers comprehensive insider trading analysis and 12+ additional ProTips for informed investment decisions. In other recent news, Amkor Technology reported better-than-expected earnings for the second quarter of 2025.