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AMKR Insider Trading

Insider Ownership Percentage: 26.90%
Insider Buying (Last 12 Months): $19,297,439.30
Insider Selling (Last 12 Months): $7,149,885.00

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: $45.83
Price Change: ▼ Price Decrease of -2.299 (-4.78%)
As of 03/20/2026 04:59 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
3/16/2026Mark N. RogersEVPSell5,000$44.54$222,700.0038,904View SEC Filing Icon  
2/24/2026Giel Jean RuttenDirectorSell20,000$48.80$976,000.00543,866View SEC Filing Icon  
2/24/2026Kevin K EngelCEOSell12,500$48.75$609,375.002,953View SEC Filing Icon  
1/16/2026Mark N. RogersEVPSell5,000$49.28$246,400.0023,862View SEC Filing Icon  
1/15/2026Giel Jean RuttenDirectorSell10,000$53.14$531,400.00335,391View SEC Filing Icon  
12/12/2025Gil C. TilyDirectorSell20,000$46.44$928,800.00123,806View SEC Filing Icon  
12/12/2025Kevin EngelEVPSell11,000$46.21$508,310.00349View SEC Filing Icon  
12/12/2025Maryfrances MccourtDirectorSell20,000$46.02$920,400.0055,918View SEC Filing Icon  
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  
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
3/20/2026Hsbc Holdings PLC214,876$8.59M0.0%+1,381.2%0.087%Search for SEC Filing on Google Icon
3/9/2026Corient Private Wealth LLC219,648$8.82M0.0%+308.1%0.089%Search for SEC Filing on Google Icon
3/9/2026EMC Capital Management8,791$0.35M0.2%-15.0%0.004%Search for SEC Filing on Google Icon
3/6/2026Hsbc Holdings PLC214,876$8.59M0.0%+1,381.2%0.087%Search for SEC Filing on Google Icon
3/3/2026Caitong International Asset Management Co. Ltd5,597$0.22M0.1%+1,268.5%0.002%Search for SEC Filing on Google Icon
2/24/2026DGS Capital Management LLC13,317$0.53M0.1%+6.9%0.005%Search for SEC Filing on Google Icon
2/24/2026Pacer Advisors Inc.22,836$0.90M0.0%+10.1%0.009%Search for SEC Filing on Google Icon
2/23/2026Virtu Financial LLC42,017$1.66M0.1%+341.1%0.017%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.1,115,588$44.04M0.0%-9.3%0.451%Search for SEC Filing on Google Icon
2/19/2026Corient Private Wealth LLC216,996$8.71M0.0%+303.2%0.088%Search for SEC Filing on Google Icon
2/18/2026Mercer Global Advisors Inc. ADV35,463$1.40M0.0%+1.3%0.014%Search for SEC Filing on Google Icon
2/18/2026Vident Advisory LLC10,878$0.43M0.0%+2.9%0.004%Search for SEC Filing on Google Icon
2/18/2026State of Tennessee Department of Treasury51,501$2.03M0.0%+19.5%0.021%Search for SEC Filing on Google Icon
2/18/2026EP Wealth Advisors LLC8,369$0.33M0.0%N/A0.003%Search for SEC Filing on Google Icon
2/18/2026Mackenzie Financial Corp7,126$0.29M0.0%-10.2%0.003%Search for SEC Filing on Google Icon
2/18/2026Empowered Funds LLC8,143$0.32M0.0%N/A0.003%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd19,689$0.78M0.0%-35.0%0.008%Search for SEC Filing on Google Icon
2/18/2026Zacks Investment Management28,718$1.13M0.0%N/A0.012%Search for SEC Filing on Google Icon
2/18/2026Utah Retirement Systems6,100$0.24M0.0%N/A0.002%Search for SEC Filing on Google Icon
2/18/2026Wellington Management Group LLP439,086$17.34M0.0%-33.5%0.178%Search for SEC Filing on Google Icon
2/18/2026Twinbeech Capital LP165,200$6.52M0.5%+44.2%0.067%Search for SEC Filing on Google Icon
2/18/2026Summit Securities Group LLC2,216$87K0.0%N/A0.001%Search for SEC Filing on Google Icon
2/18/2026SW Investment Management LLC1,400,000$55.27M14.3%-47.2%0.566%Search for SEC Filing on Google Icon
2/18/2026Polymer Capital Management US LLC22,300$0.88M0.1%N/A0.009%Search for SEC Filing on Google Icon
2/18/2026Occudo Quantitative Strategies LP165,840$6.55M0.4%+809.9%0.067%Search for SEC Filing on Google Icon
2/18/2026Man Group plc31,984$1.26M0.0%N/A0.013%Search for SEC Filing on Google Icon
2/18/2026Inspire Investing LLC43,594$1.72M0.2%+173.9%0.018%Search for SEC Filing on Google Icon
2/18/2026Janus Henderson Group PLC58,323$2.30M0.0%+15.7%0.024%Search for SEC Filing on Google Icon
2/18/2026Gotham Asset Management LLC1,192,652$47.09M0.2%-15.6%0.482%Search for SEC Filing on Google Icon
2/18/2026Evolve Private Wealth LLC7,393$0.29M0.0%N/A0.003%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP78,661$3.11M0.0%-25.7%0.032%Search for SEC Filing on Google Icon
2/18/2026CastleKnight Management LP174,000$6.87M0.2%N/A0.070%Search for SEC Filing on Google Icon
2/18/2026Balyasny Asset Management L.P.124,447$4.91M0.0%N/A0.050%Search for SEC Filing on Google Icon
2/18/2026Boothbay Fund Management LLC6,792$0.27M0.0%N/A0.003%Search for SEC Filing on Google Icon
2/17/2026Guggenheim Capital LLC20,508$0.81M0.0%-18.4%0.008%Search for SEC Filing on Google Icon
2/17/2026Schonfeld Strategic Advisors LLC84,866$3.35M0.0%+136.8%0.034%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC3,299,975$130.28M0.1%-21.6%1.335%Search for SEC Filing on Google Icon
2/17/2026Cetera Investment Advisers26,468$1.05M0.0%+28.8%0.011%Search for SEC Filing on Google Icon
2/17/2026Ardmore Road Asset Management LP469,121$18.52M1.4%N/A0.190%Search for SEC Filing on Google Icon
2/17/2026Amundi7,236$0.29M0.0%-96.0%0.003%Search for SEC Filing on Google Icon
2/17/2026Jump Financial LLC33,362$1.32M0.0%N/A0.013%Search for SEC Filing on Google Icon
2/17/2026Farallon Capital Management LLC464,000$18.32M0.1%N/A0.188%Search for SEC Filing on Google Icon
2/17/2026Sciencast Management LP30,630$1.21M0.2%-38.5%0.012%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD130,970$5.17M0.0%+61.8%0.053%Search for SEC Filing on Google Icon
2/17/2026Soviero Asset Management LP114,000$4.50M2.2%+8.6%0.046%Search for SEC Filing on Google Icon
2/17/2026Osaic Holdings Inc.6,597$0.26M0.0%+16.7%0.003%Search for SEC Filing on Google Icon
2/17/2026Weiss Asset Management LP82,516$3.26M0.0%N/A0.033%Search for SEC Filing on Google Icon
2/17/2026Watershed Asset Management L.L.C.11,402$0.45M0.4%N/A0.005%Search for SEC Filing on Google Icon
2/17/2026Advisory Services Network LLC5,848$0.23M0.0%+160.5%0.002%Search for SEC Filing on Google Icon
2/17/2026Mubadala Investment Co PJSC93,201$3.68M0.0%N/A0.038%Search for SEC Filing on Google Icon
2/17/2026Public Employees Retirement System of Ohio38,296$1.51M0.0%-3.9%0.015%Search for SEC Filing on Google Icon
2/17/2026California State Teachers Retirement System117,973$4.66M0.0%+1.4%0.048%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.131,450$5.19M0.0%-5.0%0.053%Search for SEC Filing on Google Icon
2/17/2026Maryland State Retirement & Pension System6,420$0.25M0.0%N/A0.003%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board6,836$0.27M0.0%-93.5%0.003%Search for SEC Filing on Google Icon
2/17/2026Captrust Financial Advisors31,595$1.25M0.0%+1.6%0.013%Search for SEC Filing on Google Icon
2/17/2026&PARTNERS19,354$0.76M0.0%+5.5%0.008%Search for SEC Filing on Google Icon
2/17/2026Royal Bank of Canada95,431$3.77M0.0%+16.3%0.039%Search for SEC Filing on Google Icon
2/17/2026Styrax Capital LP337,908$13.34M1.0%N/A0.137%Search for SEC Filing on Google Icon
2/17/2026Talos Eurisko Asset Management LP280,400$11.07M2.0%N/A0.113%Search for SEC Filing on Google Icon
2/17/2026Faithward Advisors LLC132,020$5.21M0.8%+2.8%0.053%Search for SEC Filing on Google Icon
2/16/2026Vanguard Personalized Indexing Management LLC36,221$1.43M0.0%+0.6%0.015%Search for SEC Filing on Google Icon
2/16/2026Verition Fund Management LLC5,584$0.22M0.0%-86.5%0.002%Search for SEC Filing on Google Icon
2/16/2026Mariner LLC40,898$1.61M0.0%-58.2%0.017%Search for SEC Filing on Google Icon
2/16/2026K2 Principal Fund L.P.9,000$0.36M0.0%N/A0.004%Search for SEC Filing on Google Icon
2/16/2026Arax Advisory Partners675$27K0.0%-98.6%0.000%Search for SEC Filing on Google Icon
2/16/2026Artemis Wealth Advisors LLC35,000$1.38M0.2%N/A0.014%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC202,211$7.98M0.0%+6.3%0.082%Search for SEC Filing on Google Icon
2/16/2026Bandera Partners LLC693,519$27.38M12.3%-10.3%0.280%Search for SEC Filing on Google Icon
2/16/2026Atlas Capital Advisors Inc.24,471$0.97M0.1%N/A0.010%Search for SEC Filing on Google Icon
2/13/2026Kestra Advisory Services LLC3,110$0.12M0.0%N/A0.001%Search for SEC Filing on Google Icon
2/13/2026The Manufacturers Life Insurance Company 90,756$3.58M0.0%-2.1%0.037%Search for SEC Filing on Google Icon
2/13/2026CANADA LIFE ASSURANCE Co73,172$2.89M0.0%-36.0%0.030%Search for SEC Filing on Google Icon
2/13/2026Segall Bryant & Hamill LLC897,637$35.44M0.5%+57.8%0.363%Search for SEC Filing on Google Icon
2/13/2026Bridgewater Associates LP76,139$3.01M0.0%N/A0.031%Search for SEC Filing on Google Icon
2/13/2026UMB Bank n.a.1,874$74K0.0%-10.4%0.001%Search for SEC Filing on Google Icon
2/13/2026Stifel Financial Corp6,027$0.24M0.0%N/A0.002%Search for SEC Filing on Google Icon
2/13/2026Quarry LP1,071$42K0.0%N/A0.000%Search for SEC Filing on Google Icon
2/13/2026Smartleaf Asset Management LLC684$28K0.0%+180.3%0.000%Search for SEC Filing on Google Icon
2/13/2026Morgan Stanley1,806,649$71.33M0.0%+23.2%0.731%Search for SEC Filing on Google Icon
2/13/2026Jacobs Levy Equity Management Inc.373,356$14.74M0.1%-22.2%0.151%Search for SEC Filing on Google Icon
2/13/2026Rokos Capital Management LLP224,972$8.89M0.0%N/A0.091%Search for SEC Filing on Google Icon
2/13/2026First Trust Advisors LP2,722,310$107.48M0.1%+37.4%1.101%Search for SEC Filing on Google Icon
2/13/2026Headlands Technologies LLC5,157$0.20M0.0%-60.0%0.002%Search for SEC Filing on Google Icon
2/13/2026Itau Unibanco Holding S.A.50,000$2.02M0.0%N/A0.020%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.2,099,349$82.88M0.0%-4.4%0.849%Search for SEC Filing on Google Icon
2/13/2026Police & Firemen s Retirement System of New Jersey49,530$1.96M0.0%-0.4%0.020%Search for SEC Filing on Google Icon
2/13/2026State Street Corp3,473,925$137.15M0.0%+1.4%1.405%Search for SEC Filing on Google Icon
2/13/2026Ieq Capital LLC139,558$5.51M0.0%-36.5%0.056%Search for SEC Filing on Google Icon
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC276,498$10.92M0.0%-4.1%0.112%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN485,936$19.19M0.0%-2.5%0.197%Search for SEC Filing on Google Icon
2/13/2026Oasis Management Co Ltd.30,800$1.22M0.1%N/A0.012%Search for SEC Filing on Google Icon
2/13/2026Quadrant Capital Group LLC36,149$1.43M0.0%+16.2%0.015%Search for SEC Filing on Google Icon
2/12/2026Advisors Asset Management Inc.10,442$0.41M0.0%+341.9%0.004%Search for SEC Filing on Google Icon
2/12/2026Northwest & Ethical Investments L.P.10,600$0.43M0.0%N/A0.004%Search for SEC Filing on Google Icon
2/12/2026HRT Financial LP310,902$12.27M0.0%+216.0%0.126%Search for SEC Filing on Google Icon
2/12/2026Brooklyn Investment Group9,746$0.39M0.0%N/A0.004%Search for SEC Filing on Google Icon
2/12/2026MetLife Investment Management LLC55,569$2.19M0.0%-4.9%0.022%Search for SEC Filing on Google Icon
2/12/2026State Board of Administration of Florida Retirement System55,561$2.19M0.0%+16.7%0.022%Search for SEC Filing on Google Icon
2/12/2026Dimensional Fund Advisors LP12,772,891$504.29M0.1%-2.9%5.167%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: $45.83
Low: $44.47
High: $48.65

50 Day Range

MA: $47.95
Low: $41.27
High: $56.17

52 Week Range

Now: $45.83
Low: $14.03
High: $57.09

Volume

5,399,630 shs

Average Volume

3,819,377 shs

Market Capitalization

$11.33 billion

P/E Ratio

30.35

Dividend Yield

0.73%

Beta

1.94

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 (Director)
  5. Guillaume Marie Jean Rutten (CEO)
  6. Gil C Tily (Director)
  7. Maryfrances Mccourt (Director)
  8. Mark N Rogers (EVP)
  9. Winston J Churchill (Director)
  10. Farshad Haghighi (EVP)
  11. Kevin K Engel (CEO)
  12. 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. — 6.35%
  2. Dimensional Fund Advisors LP — 5.17%
  3. Earnest Partners LLC — 1.53%
  4. State Street Corp — 1.41%
  5. AQR Capital Management LLC — 1.33%
  6. LSV Asset Management — 1.14%
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. SW Investment Management LLC
  2. LSV Asset Management
  3. AQR Capital Management LLC
  4. Earnest Partners LLC
  5. Dimensional Fund Advisors LP
  6. Bank of New York Mellon Corp
  7. Gotham Asset Management LLC
  8. Wellington Management Group LLP
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 (Director)
  5. Guillaume Marie Jean Rutten (CEO)
  6. Gil C Tily (Director)
  7. Maryfrances Mccourt (Director)
  8. Mark N Rogers (EVP)
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. Fisher Asset Management LLC
  2. Norges Bank
  3. Jane Street Group LLC
  4. UBS Group AG
  5. First Trust Advisors LP
  6. SG Americas Securities LLC
  7. Ardmore Road Asset Management LP
  8. Farallon Capital Management LLC
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.