InsiderTrades.com logo

AMKR Insider Trading

Insider Ownership Percentage: 26.90%
Insider Buying (Last 12 Months): $19,297,439.30
Insider Selling (Last 12 Months): $21,325,551.66

Amkor Technology Insider Trading History Chart

This chart shows the insider buying and selling history at Amkor Technology by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Amkor Technology Share Price & Price History

Current Price: $43.18
Price Change: ▼ Price Decrease of -0.75 (-1.71%)
As of 12/4/2025 05:00 PM ET

This chart shows the closing price history over time for AMKR up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Amkor Technology Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
11/17/2025Giel Jean RuttenCEOSell10,000$31.68$316,800.00346,699View SEC Filing Icon  
11/17/2025Mark N. RogersEVPSell20,000$31.69$633,800.0023,862View SEC Filing Icon  
10/15/2025Giel Jean RuttenCEOSell10,000$30.74$307,400.00356,699View SEC Filing Icon  
9/23/2025Giel Jean RuttenCEOSell10,000$30.00$300,000.00358,007View SEC Filing Icon  
9/9/2025Farshad HaghighiEVPSell11,792$25.00$294,800.008,354View SEC Filing Icon  
8/1/2025John T KimMajor ShareholderBuy441,589$21.85$9,648,719.653,789,479View SEC Filing Icon  
8/1/2025Sujoda Management, LlcMajor ShareholderBuy441,589$21.85$9,648,719.653,789,479View SEC Filing Icon  
7/31/2025Mark N. RogersEVPSell15,000$23.58$353,700.0023,862View SEC Filing Icon  
2/25/2025Kevin EngelEVPSell5,489$21.69$119,056.411,388View SEC Filing Icon  
2/24/2025Agnes C KimMajor ShareholderSell869,565$21.85$18,999,995.2510,020,870View SEC Filing Icon  
10/15/2024Giel Jean RuttenCEOSell10,000$31.51$315,100.00204,971View SEC Filing Icon  
8/27/2024Winston J. ChurchillDirectorSell20,000$32.97$659,400.0019,871View SEC Filing Icon  
7/15/2024Giel Jean RuttenCEOSell25,000$42.94$1,073,500.00128,333View SEC Filing Icon  
5/15/2024Giel Jean RuttenCEOSell25,000$33.37$834,250.00104,476View SEC Filing Icon  
5/3/2024Gil C. TilyDirectorSell20,000$32.20$644,000.00129,218View SEC Filing Icon  
5/2/2024Mark N. RogersEVPSell5,000$31.30$156,500.0025,280View SEC Filing Icon  
4/16/2024Giel Jean RuttenCEOSell25,000$31.17$779,250.00114,476View SEC Filing Icon  
3/15/2024Giel Jean RuttenCEOSell25,000$31.23$780,750.00124,476View SEC Filing Icon  
3/15/2024Megan FaustCFOSell2,800$31.09$87,052.0053,023View SEC Filing Icon  
2/22/2024Giel Jean RuttenCEOSell25,000$30.63$765,750.00123,728View SEC Filing Icon  
2/16/2024Megan FaustCFOSell2,700$30.34$81,918.0038,811View SEC Filing Icon  
1/19/2024Megan FaustCFOSell2,700$32.00$86,400.0035,394View SEC Filing Icon  
12/4/2023Roger Anthony CarolinDirectorSell20,000$28.31$566,200.0048,392View SEC Filing Icon  
11/17/2023Megan FaustCFOSell2,700$26.19$70,713.0035,394View SEC Filing Icon  
11/3/2023Mark N. RogersEVPSell5,000$23.84$119,200.0020,815View SEC Filing Icon  
10/20/2023Megan FaustCFOSell2,700$22.52$60,804.0035,394View SEC Filing Icon  
9/15/2023Megan FaustCFOSell2,700$22.68$61,236.0035,394View SEC Filing Icon  
9/6/2023James J. KimMajor ShareholderSell10,000,000$23.22$232,200,000.0039,594,980View SEC Filing Icon  
8/18/2023Megan FaustCFOSell2,700$24.79$66,933.0035,394View SEC Filing Icon  
7/21/2023Megan FaustCFOSell2,700$28.41$76,707.0035,394View SEC Filing Icon  
6/16/2023Megan FaustCFOSell2,700$26.38$71,226.0035,394View SEC Filing Icon  
6/9/2023Megan FaustCFOSell2,700$26.55$71,685.0035,394View SEC Filing Icon  
6/1/2023Sung ShinEVPSell5,000$24.93$124,650.0015,418View SEC Filing Icon  
5/24/2023Megan FaustCFOSell2,700$22.66$61,182.0035,394View SEC Filing Icon  
4/20/2023Megan FaustCFOSell6,000$23.29$139,740.0035,394View SEC Filing Icon  
4/17/2023Giel Jean RuttenCEOSell30,000$23.92$717,600.00119,808View SEC Filing Icon  
3/16/2023Megan FaustCFOSell6,000$24.08$144,480.0035,394View SEC Filing Icon  
3/15/2023Giel Jean RuttenCEOSell30,000$24.19$725,700.00134,808View SEC Filing Icon  
2/27/2023Gil C. TilyDirectorSell20,000$25.81$516,200.00137,924View SEC Filing Icon  
2/23/2023Kevin EngelEVPSell14,250$25.26$359,955.003,021View SEC Filing Icon  
2/22/2023Susan Y. KimMajor ShareholderSell1,920,000$25.28$48,537,600.007,261,498View SEC Filing Icon  
1/19/2023Megan FaustCFOSell6,000$29.28$175,680.008,512View SEC Filing Icon  
1/17/2023Giel Jean RuttenCEOSell30,000$30.73$921,900.00155,000View SEC Filing Icon  
12/15/2022Giel Jean RuttenCEOSell30,000$25.68$770,400.00170,000View SEC Filing Icon  
12/15/2022Megan FaustCFOSell6,000$25.77$154,620.008,512View SEC Filing Icon  
12/7/2022Winston J. ChurchillDirectorSell20,000$26.00$520,000.0014,394View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Amkor Technology (NASDAQ:AMKR)

42.76% of Amkor Technology stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at AMKR by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Amkor Technology Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
12/2/2025Allworth Financial LP4,005$0.11M0.0%+51.7%0.002%Search for SEC Filing on Google Icon
12/2/2025IFP Advisors Inc937$27K0.0%+91.2%0.000%Search for SEC Filing on Google Icon
11/20/2025Caerus Investment Advisors LLC7,106$0.20M0.1%N/A0.003%Search for SEC Filing on Google Icon
11/19/2025Faithward Advisors LLC128,463$3.65M0.5%+1.8%0.052%Search for SEC Filing on Google Icon
11/18/2025Advisory Services Network LLC2,245$64K0.0%N/A0.001%Search for SEC Filing on Google Icon
11/17/2025Jacobs Levy Equity Management Inc.479,850$13.63M0.1%-71.4%0.194%Search for SEC Filing on Google Icon
11/17/2025CANADA LIFE ASSURANCE Co114,359$3.26M0.0%+3.4%0.046%Search for SEC Filing on Google Icon
11/17/2025Sender Co & Partners Inc.9,068$0.26M0.0%N/A0.004%Search for SEC Filing on Google Icon
11/17/2025Dark Forest Capital Management LP67,844$1.93M0.1%-79.9%0.027%Search for SEC Filing on Google Icon
11/17/2025XTX Topco Ltd30,275$0.86M0.0%-41.0%0.012%Search for SEC Filing on Google Icon
11/17/2025Voleon Capital Management LP74,889$2.13M0.1%N/A0.030%Search for SEC Filing on Google Icon
11/17/2025Wexford Capital LP3,400$97K0.0%N/A0.001%Search for SEC Filing on Google Icon
11/17/2025Verition Fund Management LLC41,328$1.17M0.0%-35.6%0.017%Search for SEC Filing on Google Icon
11/17/2025Scientech Research LLC14,039$0.40M0.1%-37.4%0.006%Search for SEC Filing on Google Icon
11/17/2025Polymer Capital Management HK LTD10,896$0.31M0.0%N/A0.004%Search for SEC Filing on Google Icon
11/17/2025Public Employees Retirement System of Ohio39,854$1.13M0.0%-30.6%0.016%Search for SEC Filing on Google Icon
11/17/2025Mariner LLC97,900$2.78M0.0%+22.1%0.040%Search for SEC Filing on Google Icon
11/17/2025Mercer Global Advisors Inc. ADV34,991$0.99M0.0%+67.4%0.014%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC740,406$21.03M0.0%-44.2%0.300%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.6,326$0.18M0.0%-21.7%0.003%Search for SEC Filing on Google Icon
11/17/2025Integrated Wealth Concepts LLC17,389$0.49M0.0%+26.4%0.007%Search for SEC Filing on Google Icon
11/17/2025Holocene Advisors LP95,821$2.72M0.0%-48.5%0.039%Search for SEC Filing on Google Icon
11/17/2025Gotham Asset Management LLC1,413,719$40.15M0.2%+6.8%0.572%Search for SEC Filing on Google Icon
11/17/2025Focus Partners Wealth121,253$3.44M0.0%N/A0.049%Search for SEC Filing on Google Icon
11/17/2025Earnest Partners LLC4,206,353$119.46M0.5%-4.9%1.702%Search for SEC Filing on Google Icon
11/17/2025Bridgefront Capital LLC42,191$1.20M0.4%+38.6%0.017%Search for SEC Filing on Google Icon
11/17/2025Alliancebernstein L.P.294,736$8.37M0.0%+10.1%0.119%Search for SEC Filing on Google Icon
11/17/2025Ameriprise Financial Inc.616,511$17.51M0.0%+197.0%0.249%Search for SEC Filing on Google Icon
11/14/2025Schonfeld Strategic Advisors LLC35,834$1.02M0.0%-73.2%0.014%Search for SEC Filing on Google Icon
11/14/2025Creative Planning52,156$1.48M0.0%+58.0%0.021%Search for SEC Filing on Google Icon
11/14/2025AQR Capital Management LLC4,211,529$119.61M0.1%+18.4%1.704%Search for SEC Filing on Google Icon
11/14/2025Raymond James Financial Inc.328,793$9.34M0.0%+4.0%0.133%Search for SEC Filing on Google Icon
11/14/2025Virtu Financial LLC9,526$0.27M0.0%N/A0.004%Search for SEC Filing on Google Icon
11/14/2025Amundi179,144$5.47M0.0%-51.4%0.072%Search for SEC Filing on Google Icon
11/14/2025Occudo Quantitative Strategies LP18,226$0.52M0.1%N/A0.007%Search for SEC Filing on Google Icon
11/14/2025California State Teachers Retirement System116,323$3.30M0.0%+13.2%0.047%Search for SEC Filing on Google Icon
11/14/2025Horizon Investments LLC23,797$0.68M0.0%-6.6%0.010%Search for SEC Filing on Google Icon
11/14/2025Zurcher Kantonalbank Zurich Cantonalbank 35,069$1M0.0%+15.2%0.014%Search for SEC Filing on Google Icon
11/14/2025Shay Capital LLC31,000$0.88M0.1%N/A0.013%Search for SEC Filing on Google Icon
11/14/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC288,286$8.19M0.0%-34.9%0.117%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP37,856$1.08M0.0%+36.5%0.015%Search for SEC Filing on Google Icon
11/14/2025Soviero Asset Management LP105,000$2.98M1.5%N/A0.042%Search for SEC Filing on Google Icon
11/14/2025iSAM Funds UK Ltd6,655$0.19M0.0%-83.8%0.003%Search for SEC Filing on Google Icon
11/14/2025Wellington Management Group LLP659,806$18.74M0.0%+132.4%0.267%Search for SEC Filing on Google Icon
11/14/2025Comerica Bank34,085$0.97M0.0%-6.6%0.014%Search for SEC Filing on Google Icon
11/13/2025Vise Technologies Inc.10,168$0.29M0.0%N/A0.004%Search for SEC Filing on Google Icon
11/13/2025Landscape Capital Management L.L.C.18,684$0.53M0.0%-36.0%0.008%Search for SEC Filing on Google Icon
11/13/2025Ulland Investment Advisors LLC18,260$0.52M0.4%+2.8%0.007%Search for SEC Filing on Google Icon
11/13/2025Arrowstreet Capital Limited Partnership1,574,607$44.72M0.0%+305.5%0.637%Search for SEC Filing on Google Icon
11/13/2025Invesco Ltd.1,229,931$34.93M0.0%+133.7%0.498%Search for SEC Filing on Google Icon
11/13/2025Sei Investments Co.242,283$6.88M0.0%+23.8%0.098%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG410,675$11.66M0.0%-307.6%0.166%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets41,929$1.19M0.0%-80.0%0.017%Search for SEC Filing on Google Icon
11/13/2025Mackenzie Financial Corp7,934$0.23M0.0%N/A0.003%Search for SEC Filing on Google Icon
11/13/2025Quadrant Capital Group LLC31,099$0.88M0.0%-1.2%0.013%Search for SEC Filing on Google Icon
11/13/2025Ceredex Value Advisors LLC426,050$12.10M0.3%N/A0.172%Search for SEC Filing on Google Icon
11/13/2025Legal & General Group Plc190,049$5.40M0.0%-4.3%0.077%Search for SEC Filing on Google Icon
11/13/2025Swiss National Bank239,500$6.80M0.0%+1.5%0.097%Search for SEC Filing on Google Icon
11/13/2025WINTON GROUP Ltd42,772$1.22M0.0%-56.0%0.017%Search for SEC Filing on Google Icon
11/13/2025Russell Investments Group Ltd.138,371$3.93M0.0%-63.5%0.056%Search for SEC Filing on Google Icon
11/13/2025AI Squared Management Ltd64,800$1.84M1.9%N/A0.026%Search for SEC Filing on Google Icon
11/13/2025First Trust Advisors LP1,981,609$56.28M0.0%+17.6%0.802%Search for SEC Filing on Google Icon
11/12/2025Barclays PLC190,217$5.40M0.0%+45.6%0.077%Search for SEC Filing on Google Icon
11/12/2025Orion Porfolio Solutions LLC23,081$0.66M0.0%-6.7%0.009%Search for SEC Filing on Google Icon
11/12/2025Dimensional Fund Advisors LP13,151,210$373.50M0.1%-1.0%5.320%Search for SEC Filing on Google Icon
11/12/2025Victory Capital Management Inc.126,128$3.58M0.0%-18.4%0.051%Search for SEC Filing on Google Icon
11/12/2025CI Investments Inc.8,932$0.25M0.0%-8.8%0.004%Search for SEC Filing on Google Icon
11/12/2025Focus Partners Advisor Solutions LLC15,201$0.43M0.0%N/A0.006%Search for SEC Filing on Google Icon
11/12/2025Segall Bryant & Hamill LLC568,882$16.16M0.2%+464.8%0.230%Search for SEC Filing on Google Icon
11/12/2025111 Capital18,050$0.51M0.1%N/A0.007%Search for SEC Filing on Google Icon
11/12/2025Fisher Asset Management LLC687,918$19.54M0.0%+10.5%0.278%Search for SEC Filing on Google Icon
11/12/2025Royce & Associates LP661,741$18.79M0.2%-1.6%0.268%Search for SEC Filing on Google Icon
11/12/2025American Century Companies Inc.3,835,987$108.94M0.1%+0.5%1.552%Search for SEC Filing on Google Icon
11/12/2025Handelsbanken Fonder AB43,076$1.22M0.0%+56.2%0.017%Search for SEC Filing on Google Icon
11/12/2025Xponance Inc.18,444$0.52M0.0%+43.8%0.007%Search for SEC Filing on Google Icon
11/12/2025DNB Asset Management AS139,666$3.97M0.0%N/A0.057%Search for SEC Filing on Google Icon
11/12/2025Intech Investment Management LLC24,656$0.70M0.0%N/A0.010%Search for SEC Filing on Google Icon
11/12/2025Robotti Robert18,175$0.52M0.1%-90.5%0.007%Search for SEC Filing on Google Icon
11/10/2025EverSource Wealth Advisors LLC3,302$94K0.0%+21.5%0.001%Search for SEC Filing on Google Icon
11/10/2025Clearstead Advisors LLC1,676$48K0.0%-84.4%0.001%Search for SEC Filing on Google Icon
11/10/2025Ameritas Investment Partners Inc.21,311$0.61M0.0%-3.4%0.009%Search for SEC Filing on Google Icon
11/10/2025Channing Capital Management LLC65,941$1.87M0.0%N/A0.027%Search for SEC Filing on Google Icon
11/10/2025Tredje AP fonden42,003$1.19M0.0%-91.8%0.017%Search for SEC Filing on Google Icon
11/7/2025Rothschild Investment LLC5,413$0.15M0.0%+311.6%0.002%Search for SEC Filing on Google Icon
11/7/2025M&G PLC370,282$10.37M0.1%-13.4%0.150%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.15,779,847$448.15M0.0%+4.6%6.384%Search for SEC Filing on Google Icon
11/7/2025Fifth Third Bancorp1,595$45K0.0%-92.1%0.001%Search for SEC Filing on Google Icon
11/7/2025PNC Financial Services Group Inc.10,882$0.31M0.0%+106.9%0.004%Search for SEC Filing on Google Icon
11/6/2025Abich Financial Wealth Management LLC5,151$0.15M0.1%N/A0.002%Search for SEC Filing on Google Icon
11/6/2025Ground Swell Capital LLC9,110$0.26M0.6%N/A0.004%Search for SEC Filing on Google Icon
11/6/2025Leuthold Group LLC10,981$0.31M0.0%N/A0.004%Search for SEC Filing on Google Icon
11/6/2025LSV Asset Management3,981,356$113.07M0.2%-17.6%1.611%Search for SEC Filing on Google Icon
11/6/2025Rhumbline Advisers315,856$8.97M0.0%-2.1%0.128%Search for SEC Filing on Google Icon
11/6/2025Essex Investment Management Co. LLC1,526$43K0.0%N/A0.001%Search for SEC Filing on Google Icon
11/6/2025Profund Advisors LLC8,167$0.23M0.0%N/A0.003%Search for SEC Filing on Google Icon
11/6/2025ProShare Advisors LLC18,915$0.54M0.0%-14.0%0.008%Search for SEC Filing on Google Icon
11/6/2025Oppenheimer Asset Management Inc.68,005$1.93M0.0%-1.0%0.028%Search for SEC Filing on Google Icon
11/5/2025State of Michigan Retirement System27,049$0.77M0.0%-1.1%0.011%Search for SEC Filing on Google Icon
11/5/2025Fortitude Advisory Group L.L.C.19,580$0.56M0.3%+57.6%0.008%Search for SEC Filing on Google Icon
11/5/2025Bessemer Group Inc.933$26K0.0%+72.1%0.000%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Amkor Technology logo
Amkor Technology, Inc. provides outsourced semiconductor packaging and test services in the United States, Japan, Europe, the Middle East, Africa, and the Asia Pacific. It offers turnkey packaging and test services, including semiconductor wafer bump, wafer probe, wafer back-grind, package design, packaging, system-level and final test, and drop shipment services; flip chip scale package products for smartphones, tablets, and other mobile consumer electronic devices; flip chip stacked chip scale packages that are used to stack memory digital baseband, and as applications processors in mobile devices; flip-chip ball grid array packages for various networking, storage, computing, automotive, and consumer applications; and memory products for system memory or platform data storage. The company also provides wafer-level CSP packages for power management, transceivers, sensors, wireless charging, codecs, radar, and specialty silicon; wafer-level fan-out packages used in power management, transceivers, radar, and specialty silicon; silicon wafer integrated fan-out technology that replaces a laminate substrate with a thinner structure; leadframe packages for electronic devices and mixed-signal applications; and substrate-based wirebond packages used to connect a die to a substrate. In addition, it offers micro-electro-mechanical systems packages that are miniaturized mechanical and electromechanical devices; and advanced system-in-package modules used in radio frequency and front end modules, basebands, connectivity, fingerprint sensors, display and touch screen drivers, sensors and MEMS, and NAND memory and solid-state drives. Further, the company provides wafer, package, and system level test services, as well as burn-in test and test development services. It serves integrated device manufacturers, fabless semiconductor companies, original equipment manufacturers, and contract foundries. The company was founded in 1968 and is headquartered in Tempe, Arizona.
Read More on Amkor Technology

Today's Range

Now: $43.18
Low: $42.60
High: $43.91

50 Day Range

MA: $32.84
Low: $28.26
High: $43.93

52 Week Range

Now: $43.18
Low: $14.03
High: $44.06

Volume

4,587,365 shs

Average Volume

3,042,959 shs

Market Capitalization

$10.67 billion

P/E Ratio

34.54

Dividend Yield

0.76%

Beta

1.99

Who are the company insiders with the largest holdings of Amkor Technology?

Amkor Technology's top insider shareholders include:
  1. Agnes C Kim (Major Shareholder)
  2. John T Kim (Major Shareholder)
  3. Sujoda Management, Llc (Major Shareholder)
  4. Guillaume Marie Jean Rutten (CEO)
  5. Gil C Tily (Director)
  6. Megan Faust (CFO)
  7. Roger Anthony Carolin (Director)
  8. Mark N Rogers (EVP)
  9. Winston J Churchill (Director)
  10. Farshad Haghighi (EVP)
  11. Kevin Engel (EVP)
Learn More about top insider investors at Amkor Technology.

Who are the major institutional investors of Amkor Technology?

Amkor Technology's top institutional investors include:
  1. Vanguard Group Inc. — 6.38%
  2. Dimensional Fund Advisors LP — 5.32%
  3. AQR Capital Management LLC — 1.70%
  4. Earnest Partners LLC — 1.70%
  5. LSV Asset Management — 1.61%
  6. American Century Companies Inc. — 1.55%
Learn More about top institutional investors of Amkor Technology stock.

Which institutional investors are selling Amkor Technology stock?

In the last quarter, AMKR stock was sold by these institutional investors:
  1. Susquehanna International Group LLP
  2. Caption Management LLC
  3. Jacobs Levy Equity Management Inc.
  4. UG Investment Advisers Ltd.
  5. LSV Asset Management
  6. Millennium Management LLC
  7. Citadel Advisors LLC
  8. Tredje AP fonden
In the last year, company insiders that have sold Amkor Technology company stock include:
  1. Agnes C Kim (Major Shareholder)
  2. John T Kim (Major Shareholder)
  3. Sujoda Management, Llc (Major Shareholder)
  4. Guillaume Marie Jean Rutten (CEO)
  5. Gil C Tily (Director)
Learn More investors selling Amkor Technology stock.

Which institutional investors are buying Amkor Technology stock?

Within the last quarter, AMKR stock was bought by institutional investors including:
  1. Arrowstreet Capital Limited Partnership
  2. Invesco Ltd.
  3. Vanguard Group Inc.
  4. AQR Capital Management LLC
  5. UBS Group AG
  6. Segall Bryant & Hamill LLC
  7. Ceredex Value Advisors LLC
  8. Ameriprise Financial Inc.
Within the last year, these company insiders have bought Amkor Technology stock:
  1. Agnes C Kim (Major Shareholder)
  2. John T Kim (Major Shareholder)
Learn More investors buying Amkor Technology stock.