Amkor Technology, Inc. (AMKR) — SEC Filings
Amkor Technology, Inc. (AMKR) — 33 SEC filings. Latest: 4 (Apr 2, 2026). Includes 17 8-K, 6 10-Q, 4 SC 13G/A.
View Amkor Technology, Inc. on SEC EDGAR
Overview
Amkor Technology, Inc. (AMKR) is a publicly traded company tracked on ReadTheFiling. The most recent enriched filing is a 4 filed on Apr 2, 2026: On March 31, 2026, Winston J. Churchill, a reporting person for AMKOR TECHNOLOGY, INC., reported a change in beneficial ownership of securities. The filing details transactions related to the company's stock.
Sentiment Summary
Across 33 filings, the sentiment breakdown is: 1 bullish, 30 neutral, 2 mixed. The dominant filing sentiment for Amkor Technology, Inc. is neutral.
Filing Type Overview
Amkor Technology, Inc. (AMKR) has filed 1 4, 17 8-K, 6 10-Q, 2 DEF 14A, 2 10-K, 1 SC 13D/A, 4 SC 13G/A with the SEC between Jan 2024 to Apr 2026.
Filings by Year
Recent SEC Filings (33)
Risk Profile
Risk Assessment: Of AMKR's 29 recent filings, 0 were flagged as high-risk, 11 as medium-risk, and 18 as low-risk. The overall risk profile suggests relatively low risk with generally favorable filings.
Financial Highlights
| Metric | Value |
|---|---|
| Revenue | $4.82B |
| Net Income | $202.1M |
| EPS | $0.81 |
| Debt-to-Equity | 1.03 |
| Cash Position | $1.50B |
| Operating Margin | 5.9% |
| Total Assets | $8.19B |
| Total Debt | $3.84B |
Key Executives
- Winston J. Churchill
- 0000923792
- Sarah E. Klevens
- David J. Y. Chen
- Michael J. Costello
- Bac Ninh, Vietnam
- Arizona, United States
- David M. Johnson
- Robert L. W. Chen
- Michael J. Culhane
- Kevin L. Johnson
- Agnes C. Kim
- James J. Kim
- David D. Kim
- Megan A. Faust
Industry Context
Amkor Technology operates in the highly competitive semiconductor packaging and test services industry. Key trends include the increasing complexity of semiconductor devices, demand for advanced packaging solutions (like flip chip and wafer-level packaging), and the growing importance of supply chain resilience. Major competitors include ASE Technology Holding, JCET Group, and SPIL. The industry is capital-intensive and subject to rapid technological change and cyclical customer demand.
Top Tags
financial-reporting (8) · semiconductors (6) · 10-Q (4) · material-agreement (3) · financial-obligation (3) · 8-K (3) · financials (3) · corporate-governance (3) · sec-filing (3) · amendment (3)
Key Numbers
| Metric | Value | Context |
|---|---|---|
| CFO Base Salary | $500,000 | New employment agreement for Michael J. Costello |
| Net Sales | $1.99B | Increased by 6.7% for the three months ended September 30, 2025, compared to $1.86B in 2024. |
| Net Income Attributable to Amkor | $126.6M | Increased by 3.3% for the three months ended September 30, 2025, compared to $122.6M in 2024. |
| Net Sales (Nine Months) | $4.82B | Increased from $4.69B in 2024 for the nine months ended September 30, 2025. |
| Net Income Attributable to Amkor (Nine Months) | $202.1M | Decreased by 18.6% from $248.4M in 2024 for the nine months ended September 30, 2025. |
| Total Assets | $8.19B | Increased from $6.94B at December 31, 2024, reflecting significant growth. |
| Cash and Cash Equivalents | $1.50B | Increased from $1.13B at December 31, 2024, indicating strong liquidity. |
| Property, Plant and Equipment, Net | $3.83B | Increased from $3.58B at December 31, 2024, showing capital investment. |
| Total Liabilities | $3.84B | Increased by 39.2% from $2.76B at December 31, 2024, due to increased debt. |
| CHIPS Act Investment Tax Credit | 35% | Increased from 25% by the OBBBA for qualified property after 2025. |
| Outstanding Shares | 247,193,437 | As of October 21, 2025. |
| Acquisition Price | $750 million | Amkor Technology's purchase of Xcerra Corporation. |
| Q2 2025 Revenue | $1.75B | Up 8% from $1.62B in Q2 2024 |
| Q2 2025 Net Income | $102.5M | Increased 57% from $65.3M in Q2 2024 |
| Six-Month 2025 Revenue | $3.41B | Up from $3.15B in the prior year period |
Forward-Looking Statements
- {"claim":"Dimensional Fund Advisors LP will maintain a passive investment strategy in Amkor Technology Inc. for the foreseeable future.","entity":"Dimensional Fund Advisors LP","targetDate":"2025-12-31","confidence":"high"}
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Frequently Asked Questions
What are the latest SEC filings for Amkor Technology, Inc. (AMKR)?
Amkor Technology, Inc. has 33 recent SEC filings from Jan 2024 to Apr 2026, including 17 8-K, 6 10-Q, 4 SC 13G/A. Each filing includes an AI-generated plain-English summary.
What is the overall sentiment of AMKR filings?
Across 33 filings, the sentiment breakdown is: 1 bullish, 30 neutral, 2 mixed. The dominant sentiment is neutral.
Where can I find Amkor Technology, Inc. SEC filings explained simply?
ReadTheFiling provides AI-powered plain-English summaries of all Amkor Technology, Inc. (AMKR) SEC filings, including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, and insider trades.
What are the key financial highlights for Amkor Technology, Inc.?
Key financial highlights from Amkor Technology, Inc.'s most recent 10-Q include metrics such as revenue, net income, EPS, and debt ratios. Visit the filing detail page for the full breakdown.
What is the investment thesis for AMKR?
The investment thesis for AMKR includes bull, base, and bear case scenarios derived from AI analysis of recent SEC filings.
Who are the key executives at Amkor Technology, Inc.?
Key executives identified across Amkor Technology, Inc.'s filings include Winston J. Churchill, 0000923792, Sarah E. Klevens, David J. Y. Chen, Michael J. Costello and 10 others.
What are the main risk factors for Amkor Technology, Inc. stock?
Of AMKR's 29 assessed filings, 0 were flagged high-risk, 11 medium-risk, and 18 low-risk.
What are recent predictions and forward guidance from Amkor Technology, Inc.?
Recent forward-looking statements from Amkor Technology, Inc. include guidance on {"claim":"Dimensional Fund Advisors LP will maintain a passive investment strategy in Amkor Technology Inc. for the fore.