Amkor Technology Company Insiders
| AMKR Stock | USD 42.99 1.72 4.17% |
Slightly above 75% of Amkor Technology's corporate insiders are selling. The analysis of insiders' sentiment of trading Amkor Technology stock suggests that many insiders are alarmed at this time. Amkor Technology employs about 30.8 K people. The company is managed by 16 executives with a total tenure of roughly 57 years, averaging almost 3.0 years of service per executive, having 1925.0 employees per reported executive.
| Susan Kim Chairman Executive Chairman |
| James Kim Chairman Founder and Executive Chairman |
Insider Sentiment
Mostly Selling
Selling | Buying |
Latest Trades
| 2026-02-24 | Guillaume Marie Jean Rutten | Disposed 20000 @ 48.8 | View | ||
| 2026-02-04 | Markwayne Mullin | Acquired @ 43.87 | |||
| 2026-01-16 | Mark N Rogers | Disposed 5000 @ 49.28 | View | ||
| 2026-01-15 | Guillaume Marie Jean Rutten | Disposed 10000 @ 53.14 | View | ||
| 2026-01-05 | Markwayne Mullin | Acquired @ 48.13 | |||
| 2025-12-12 | Gil C Tily | Disposed 20000 @ 46.44 | View | ||
| 2025-11-17 | Mark N Rogers | Disposed 20000 @ 31.69 | View | ||
| 2025-10-15 | Guillaume Marie Jean Rutten | Disposed 10000 @ 30.74 | View | ||
| 2025-09-23 | Guillaume Marie Jean Rutten | Disposed 10000 @ 30 | View | ||
| 2025-09-09 | Farshad Haghighi | Disposed 11792 @ 25 | View | ||
| 2025-08-01 | Sujoda Management, Llc | Acquired 441589 @ 21.85 | View | ||
| 2025-07-31 | Mark N Rogers | Disposed 15000 @ 23.58 | View |
Insider-sentiment monitoring for Amkor Technology is useful because insiders may respond to operating developments before those shifts are fully reflected in market commentary. Used properly, insider trading analysis complements fundamental analysis and technical analysis rather than replacing either one.
Acquired vs Disposed
Filed vs Not Filed
Insider sentiment in Amkor Technology is commonly read through disclosed transactions filed by individuals who may have a closer view of operating direction than outside investors. Used properly, insider trading data is contextual rather than absolute because corporate insiders can transact for several reasons that are not purely directional.
Amkor Technology's Workforce Through the Years
Historical employee data for Amkor Technology can give investors another way to assess whether the business is scaling, restructuring, or stabilizing across different operating conditions. Current projections suggest a workforce around slightly above 30,800 employees by April 2026, which should be reviewed alongside revenue and margin trends.Macro event markers
latest congressional trading
Congressional trading tied to Amkor Technology draws attention because lawmakers and their families are required to disclose transactions that could create perceived conflicts of interest. The practical value comes from transparency: investors can compare timing, trade size, and subsequent price action without relying on rumor.
| 2026-03-02 | Senator Markwayne Mullin | Acquired $15,000 to $50,000 | Verify | ||
| 2026-02-04 | Senator Markwayne Mullin | Acquired $15,000 to $50,000 | Verify | ||
| 2026-02-03 | Senator Markwayne Mullin | Acquired $15,000 to $50,000 | Verify |
Management Team Effectiveness
The company has return on total asset (ROA) of 3.87 % which means that it generated a profit of $3.87 on every $100 of assets employed. This is typical relative to the peer group. Similarly, it shows a return on stockholder's equity (ROE) of 8.66 %, which means that it returned $8.66 on every $100 dollars invested by stockholders.As of this Monday, Net Income Applicable To Common Shares is expected to outperform prior levels and reach approximately 924.7 M, whereas Common Stock Shares Outstanding is moving lower toward slightly above 232.6 M.
Stock Institutional Investors
Amkor Technology has 47.07% institutional ownership and a 49.84% insider stake. Annual revenue is about 6.71 Billion. That ownership mix shapes how the stock trades around earnings and sector rotation. The business currently sits in the Information Technology sector and the Semiconductors & Semiconductor Equipment industry. With moderate institutional presence, retail activity has more room to move the price day to day.
| Shares | Geode Capital Management, Llc | 2025-12-31 | 2.2 M | Charles Schwab Investment Management Inc | 2025-12-31 | 2.1 M | Fisher Asset Management, Llc | 2025-12-31 | 2.1 M | Morgan Stanley - Brokerage Accounts | 2025-09-30 | 1.5 M | Sw Investment Management Llc | 2025-12-31 | 1.4 M | Norges Bank | 2025-12-31 | 1.4 M | Bank Of New York Mellon Corp | 2025-09-30 | 1.3 M | Amvescap Plc. | 2025-09-30 | 1.2 M | Gotham Asset Management, Llc | 2025-12-31 | 1.2 M | Vanguard Group Inc | 2025-12-31 | 15.7 M | Blackrock Inc | 2025-09-30 | 13.8 M |
Insider Trading Activities
Tracking Amkor Technology's insider filings can add decision context because executives often respond to valuation, compensation schedules, and business conditions long before sentiment stabilizes. The goal is to separate routine compensation-related sales from conviction-driven buying or defensive trimming while the broader market is still processing new information.
Outstanding Bonds
Reviewing Amkor Technology bond obligations helps investors understand how much of the business is financed with fixed-income capital rather than purely with equity. Longer-dated obligations can improve financing stability, but they also leave investors more exposed if the underlying business weakens before the debt matures.
| MPLX LP 4125 Corp BondUS55336VAK61 | View | |
| MPLX LP 52 Corp BondUS55336VAL45 | View | |
| Morgan Stanley 3591 Corp BondUS61744YAK47 | View | |
| Morgan Stanley 3971 Corp BondUS61744YAL20 | View | |
| MGM Resorts International Corp BondUS552953CD18 | View | |
| Valero Energy Partners Corp BondUS91914JAA07 | View |
Corporate Filings
F4 | 26th of February 2026 The report filed by a party regarding the acquisition or disposition of a company's common stock, as well as derivative securities such as options, warrants, and convertible securities | ViewVerify |
F4 | 24th of February 2026 The report filed by a party regarding the acquisition or disposition of a company's common stock, as well as derivative securities such as options, warrants, and convertible securities | ViewVerify |
10K | 20th of February 2026 Annual report required by the U.S. Securities and Exchange Commission (SEC) of a company financial performance | ViewVerify |
F4 | 18th of February 2026 The report filed by a party regarding the acquisition or disposition of a company's common stock, as well as derivative securities such as options, warrants, and convertible securities | ViewVerify |
F3 | 17th of February 2026 An amendment to the original Schedule 13D filing | ViewVerify |
FWP | 13th of February 2026 A written communication used by offering participants to offer securities to the public or to solicit securities transactions. | ViewVerify |
FWP | 12th of February 2026 A written communication used by offering participants to offer securities to the public or to solicit securities transactions. | ViewVerify |
8K | 9th of February 2026 Report filed with the SEC to announce major events that shareholders should know about | ViewVerify |
Shares in Circulation | First Issued 1998-03-31 | Previous Quarter 248.3 M | Current Value 248.3 M | Average Shares Outstanding 216 M | Quarterly Volatility 44.2 M |
Macro event markers
Holders Distribution
Institutional investors in Amkor Technology typically operate with more research capacity, technology, and trading scale than retail holders, which is why their activity can materially affect price behavior. The opportunity for retail investors is not to imitate blindly, but to understand how large-holder positioning may affect liquidity, volatility, and timing.
Market Cap and Value
Workforce Comparison
Amkor Technology outranks all peers for number of employees against industry peers. The total workforce of Information Technology industry is presently estimated at about 89,830. Amkor Technology totals roughly 30,800 in number of employees claiming about 34% of equities under Information Technology sector.
Profit Margins
The company has Profit Margin (PM) of 6.0 %, which can signify that the company executes well on its competitive strategies and has good control over its expenditures. . Similarly, it shows Operating Margin (OM) of 10.0 %, which suggests that the company runs its operations efficiently, retaining $10.0 per $100 of revenue.| Current Value | Last Year | Change From Last Year | 10 Year Trend | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Gross Profit Margin | 0.2 | 0.1399 |
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| Net Profit Margin | 0.0585 | 0.0557 |
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| Operating Profit Margin | 0.0448 | 0.0697 |
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| Pretax Profit Margin | 0.0696 | 0.0663 |
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| Return On Assets | 0.0483 | 0.046 |
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| Return On Equity | 0.0878 | 0.0836 |
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Insider Trading History
Amkor Technology's insider trade log provides a timeline of management conviction that investors can read alongside earnings and guidance changes. Current market capitalization is about 10.63 Billion. Larger blocks and clustered timing patterns tend to carry more analytical weight than isolated transactions.
| Buy/Sell Ratio | # Purchases Trades | # Sales Trades | Total Shares Purchased | Total Shares Sold | |
|---|---|---|---|---|---|
| 2026-03-01 | 0.6552 | 38 | 58 | 541,329 | 20,475,237 |
| 2025-12-01 | 0.8913 | 41 | 46 | 13,166,153 | 21,543,444 |
| 2025-09-01 | 1.4762 | 31 | 21 | 12,568,419 | 12,285,504 |
| 2025-06-01 | 3.5333 | 53 | 15 | 182,088 | 90,659 |
| 2025-03-01 | 0.8302 | 44 | 53 | 5,663,365 | 5,829,361 |
| 2024-12-01 | 1.5 | 30 | 20 | 1,059,394 | 2,081,763 |
| 2024-09-01 | 1.08 | 27 | 25 | 6,151,665 | 9,913,817 |
| 2024-06-01 | 2.35 | 47 | 20 | 5,200,962 | 5,252,776 |
| 2024-03-01 | 0.68 | 34 | 50 | 583,975 | 214,615 |
| 2023-12-01 | 0.7451 | 38 | 51 | 21,920,022 | 35,102,901 |
| 2023-09-01 | 0.72 | 18 | 25 | 3,850,826 | 38,978,094 |
| 2023-06-01 | 1.129 | 35 | 31 | 8,571,121 | 17,997,257 |
| 2023-03-01 | 0.8194 | 59 | 72 | 5,708,245 | 6,568,146 |
| 2022-12-01 | 0.64 | 32 | 50 | 2,269,702 | 10,303,948 |
| 2022-09-01 | 0.5294 | 9 | 17 | 63,078 | 1,498,250 |
| 2022-06-01 | 2.4444 | 22 | 9 | 1,614,575 | 2,117,800 |
| 2022-03-01 | 0.6087 | 14 | 23 | 297,267 | 585,047 |
| 2021-12-01 | 0.5 | 25 | 50 | 12,424,822 | 25,776,207 |
| 2021-09-01 | 0.4 | 14 | 35 | 8,314,375 | 9,922,955 |
| 2021-06-01 | 1.3333 | 28 | 21 | 313,133 | 211,680 |
| 2021-03-01 | 0.7027 | 26 | 37 | 544,265 | 774,417 |
| 2020-12-01 | 0.3143 | 11 | 35 | 4,251,565 | 12,586,195 |
| 2020-09-01 | 0.8 | 8 | 10 | 999,437 | 312,937 |
| 2020-06-01 | 1.9091 | 21 | 11 | 265,686 | 65,207 |
| 2020-03-01 | 0.25 | 1 | 4 | 2,500 | 53,875 |
| 2019-12-01 | 0.5455 | 12 | 22 | 508,000 | 747,349 |
| 2019-09-01 | 1.0 | 2 | 2 | 25,000 | 17,925 |
| 2019-06-01 | 12.0 | 24 | 2 | 643,056 | 25,425 |
| 2019-03-01 | 1.5714 | 11 | 7 | 1,095,000 | 87,901 |
| 2018-12-01 | 1.5 | 3 | 2 | 4,235,000 | 5,425 |
| 2018-06-01 | 14.0 | 14 | 1 | 172,900 | 5,425 |
| 2018-03-01 | 0.875 | 7 | 8 | 71,284 | 105,425 |
| 2017-06-01 | 1.1364 | 25 | 22 | 481,991 | 658,869 |
| 2017-03-01 | 2.4 | 12 | 5 | 40,552,118 | 19,712,813 |
| 2016-12-01 | 0.5429 | 19 | 35 | 630,910 | 1,527,578 |
| 2016-09-01 | 0.2667 | 4 | 15 | 95,000 | 305,811 |
| 2016-06-01 | 2.8 | 14 | 5 | 189,469 | 18,102 |
| 2016-03-01 | 0.2 | 1 | 5 | 200,000 | 17,814 |
| 2015-09-01 | 0.4286 | 3 | 7 | 33,300 | 24,498 |
| 2015-06-01 | 2.8 | 14 | 5 | 181,111 | 24,146 |
| 2015-03-01 | 1.0 | 9 | 9 | 27,847 | 49,684 |
| 2014-12-01 | 0.1 | 1 | 10 | 20,000 | 61,109 |
| 2014-09-01 | 0.2353 | 4 | 17 | 87,313 | 215,914 |
| 2014-06-01 | 0.4634 | 19 | 41 | 312,500 | 510,236 |
| 2014-03-01 | 0.0769 | 1 | 13 | 100,000 | 5,403 |
| 2013-12-01 | 0.1176 | 2 | 17 | 3,800 | 11,889 |
| 2013-09-01 | 0.3333 | 4 | 12 | 400,000 | 2,681 |
| 2013-06-01 | 0.8182 | 9 | 11 | 100,789,960 | 150,012,268 |
| 2013-03-01 | 0.125 | 1 | 8 | 20,000 | 2,659 |
| 2012-12-01 | 0.4545 | 5 | 11 | 185,000 | 2,845 |
| 2012-06-01 | 0.625 | 5 | 8 | 100,000 | 2,236 |
| 2011-06-01 | 0.5385 | 7 | 13 | 126,667 | 28,315 |
| 2011-03-01 | 0.8182 | 9 | 11 | 8,245,679 | 47,886 |
| 2010-12-01 | 0.75 | 3 | 4 | 18,569,493 | 12,379,662 |
| 2010-09-01 | 5.0 | 5 | 1 | 17,500 | 0.00 |
| 2010-06-01 | 7.0 | 7 | 1 | 126,667 | 6,667 |
| 2010-03-01 | 2.3333 | 7 | 3 | 132,900 | 49,470 |
| 2008-12-01 | 1.0 | 3 | 3 | 10,000 | 170,000 |
| 2008-06-01 | 4.0 | 4 | 1 | 110,000 | 0.00 |
| 2008-03-01 | 0.6667 | 4 | 6 | 4,400,200 | 8,196,900 |
| 2007-09-01 | 1.6667 | 5 | 3 | 190,000 | 150,000 |
| 2007-03-01 | 1.0 | 1 | 1 | 250,000 | 250,000 |
| 2005-12-01 | 1.5 | 12 | 8 | 51,332,735 | 1,998,848 |
| 2004-12-01 | 3.0 | 6 | 2 | 700,000 | 1,000,000 |
| 2004-09-01 | 0.5 | 3 | 6 | 35,959 | 170,750 |
| 2004-06-01 | 4.6667 | 42 | 9 | 678,220 | 274,000 |
| 2003-09-01 | 0.0588 | 2 | 34 | 20,000 | 100,000 |
Notable Stakeholders
An Amkor Technology stakeholder is any individual or group with an interest in the outcome of the business, which is why stakeholder analysis can reveal who may influence strategy and oversight. The stronger interpretation comes from connecting stakeholder presence with management behavior, governance patterns, and changes in the operating story.
| Susan Kim | Executive Chairman | Profile | |
| James Kim | Founder and Executive Chairman | Profile | |
| John Liu | Corporate President | Profile | |
| Giel Rutten | Executive Vice President - Advanced Products | Profile | |
| Megan Faust | CFO, Corporate Vice President | Profile | |
| Mark Rogers | Executive Vice President General Counsel, Secretary | Profile | |
| Megan CPA | CFO VP | Profile | |
| Guillaume Rutten | Advisor Director | Profile | |
| Mark JD | General VP | Profile | |
| Mike Liang | Pres Operations | Profile | |
| Steve Shin | Ex Manufacturing | Profile | |
| Jennifer Jue | Senior Finance | Profile | |
| Kevin Engel | Executive Officer | Profile | |
| JinAn Lee | Executive Manufacturing | Profile | |
| Cherie Buntyn | Senior Officer | Profile | |
| Farshad Haghighi | Executive Officer | Profile |
Management Information & Data Sources
Amkor Technology is a large-cap company in Semiconductors & Semiconductor Equipment, Information Technology, Nasdaq Computer. Executive review focuses on insiders, senior management, and employee signals. Leadership continuity may improve comparability across reporting periods and business cycles. Amkor Technology employs 30,800 people.
The analytics block for Amkor Technology relies on periodic company reporting and market reference feeds, with quality checks and normalization applied before rendering. Sell-side coverage, where present, supplements the data shown. Timing can vary by data vendor. Insider and management fields are mapped from published filings and company disclosures.
This content is curated and reviewed by:
Vlad Skutelnik - Macroaxis ContributorWorkforce Efficiency and Productivity
Investors reviewing Amkor Technology can use workforce efficiency as another lens on execution, especially when comparing similar businesses in the same industry. This is most informative when investors want to connect operating scale with efficiency rather than reviewing headcount in isolation.
Amkor Technology Manpower Efficiency
Return on Amkor Technology Manpower
| Revenue Per Employee | 217.8K | |
| Revenue Per Executive | 419.2M | |
| Net Income Per Employee | 12.2K | |
| Net Income Per Executive | 23.5M | |
| Working Capital Per Employee | 70.5K | |
| Working Capital Per Executive | 135.8M |
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