Here are the 10-K annual reports from Amkor Technology Inc (AMKR) in our archive since June 2025, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A 10-K covers the audited annual report, with the full financial statements, so if you follow AMKR and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full AMKR filings page.
Amkor Technology, Inc. files its Form 10-K outlining 2025 performance and strategy as a leading outsourced semiconductor assembly and test provider. Net sales reached $6,708 million, with Advanced Products contributing $5,556 million, or 82.8%, and Mainstream Products $1,152 million, or 17.2%.
The company highlights strength in advanced system-in-package modules with about $3,080 million of 2025 net sales and exposure across communications, computing, automotive/industrial and consumer markets. It is scaling a Vietnam facility opened in 2024 and constructing a new Arizona facility to support regionalized supply chains.
Customer concentration remains high: the ten largest customers represented 72% of 2025 net sales, including Apple at 29.8% and Qualcomm at 11.1%. Amkor employed 30,800 people as of December 31, 2025 and invested $166.7 million in research and development.