Welcome to our dedicated page for Amkor Tech SEC filings (Ticker: AMKR), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Amkor Technology Inc. filings document the regulatory record for a Nasdaq-listed outsourced semiconductor packaging and test company. The company’s 8-K reports furnish results of operations and financial condition, disclose material agreements and other events, and describe capital-structure matters involving common stock, senior notes and convertible senior notes.
AMKR filings also cover governance and ownership subjects through definitive proxy materials, officer appointments and underwriting agreements related to registered secondary offerings. Recent debt disclosures describe 0.00% convertible senior notes due 2031, subsidiary guarantees and their relationship to other senior unsecured indebtedness, while earnings-related filings include non-GAAP measures such as EBITDA alongside GAAP results.
Amkor Technology director Gil C. Tily sold 15,000 shares of Common Stock in an open-market transaction. The shares were sold at a price of $77.30 per share. After this sale, Tily directly holds 108,806 Amkor shares.
Amkor Technology director Guillaume Marie Jean Rutten reported an open‑market sale of 50,000 shares of Common Stock on May 8, 2026. The weighted average sale price was $74.28 per share, with individual trades executed between $73.37 and $74.98. After these transactions, Rutten directly holds 502,558 Amkor shares, indicating he retains a substantial ownership stake in the company.
Form 144 filing reports insider dispositions totaling 30,000 shares. The filing lists two recent sales by Guillaume Rutten: 10,000 shares on 02/17/2026 for $458,927 and 20,000 shares on 02/24/2026 for $976,070. The filing also lists securities classified as Performance Shares (6,667 and 25,000) and Restricted Stock (18,333) with grant dates in 2024.
Amkor Technology director Carolin Roger Anthony reported an exercise-and-sell transaction in company stock. On May 5, 2026, he exercised options to acquire 20,000 shares of common stock at $11.71 per share, then sold 20,000 shares in open-market trades at a weighted average price of $76.24, with individual sale prices ranging from $76.11 to $76.48. After these transactions, he directly owned 94,409 shares of Amkor common stock.
Amkor Technology director Winston J. Churchill reported an open-market sale of 7,000 shares of the company’s Common Stock. The shares were sold at an average price of $76.45 per share. After this transaction, he directly holds 18,888 shares of Amkor Technology.
AMKOR TECHNOLOGY, INC. director Douglas A. Alexander reported an option exercise-and-sale on Common Stock. On May 5, 2026, he exercised options for 5,000 shares at strike prices of $8.51 and $9.45, then sold 5,000 shares in open-market transactions at $76.58 per share. Following these transactions, he directly owned 29,109 common shares.