AMKR Insider Trading

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Insider Trading History
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About

Insider Ownership Percentage: 26.90%

Insider Buying (Last 12 Months): $19,297,439.30

Insider Selling (Last 12 Months): $20,374,951.66

Amkor Technology Insider Trading History Chart

Amkor Technology Share Price & Price History

^$31.95

▼ -2.52 (-7.31%)

As of 11/13/2025 05:00 PM ET

Days: 30 | 90 | 365

Amkor Technology Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
10/15/2025	Giel Jean Rutten	CEO	Sell	10,000	$30.74	$307,400.00	356,699
9/23/2025	Giel Jean Rutten	CEO	Sell	10,000	$30.00	$300,000.00	358,007
9/9/2025	Farshad Haghighi	EVP	Sell	11,792	$25.00	$294,800.00	8,354
8/1/2025	John T Kim	Major Shareholder	Buy	441,589	$21.85	$9,648,719.65	3,789,479
8/1/2025	Sujoda Management, Llc	Major Shareholder	Buy	441,589	$21.85	$9,648,719.65	3,789,479
7/31/2025	Mark N. Rogers	EVP	Sell	15,000	$23.58	$353,700.00	23,862
2/25/2025	Kevin Engel	EVP	Sell	5,489	$21.69	$119,056.41	1,388
2/24/2025	Agnes C Kim	Major Shareholder	Sell	869,565	$21.85	$18,999,995.25	10,020,870
10/15/2024	Giel Jean Rutten	CEO	Sell	10,000	$31.51	$315,100.00	204,971
8/27/2024	Winston J. Churchill	Director	Sell	20,000	$32.97	$659,400.00	19,871
7/15/2024	Giel Jean Rutten	CEO	Sell	25,000	$42.94	$1,073,500.00	128,333
5/15/2024	Giel Jean Rutten	CEO	Sell	25,000	$33.37	$834,250.00	104,476
5/3/2024	Gil C. Tily	Director	Sell	20,000	$32.20	$644,000.00	129,218
5/2/2024	Mark N. Rogers	EVP	Sell	5,000	$31.30	$156,500.00	25,280
4/16/2024	Giel Jean Rutten	CEO	Sell	25,000	$31.17	$779,250.00	114,476
3/15/2024	Giel Jean Rutten	CEO	Sell	25,000	$31.23	$780,750.00	124,476
3/15/2024	Megan Faust	CFO	Sell	2,800	$31.09	$87,052.00	53,023
2/22/2024	Giel Jean Rutten	CEO	Sell	25,000	$30.63	$765,750.00	123,728
2/16/2024	Megan Faust	CFO	Sell	2,700	$30.34	$81,918.00	38,811
1/19/2024	Megan Faust	CFO	Sell	2,700	$32.00	$86,400.00	35,394
12/4/2023	Roger Anthony Carolin	Director	Sell	20,000	$28.31	$566,200.00	48,392
11/17/2023	Megan Faust	CFO	Sell	2,700	$26.19	$70,713.00	35,394
11/3/2023	Mark N. Rogers	EVP	Sell	5,000	$23.84	$119,200.00	20,815
10/20/2023	Megan Faust	CFO	Sell	2,700	$22.52	$60,804.00	35,394
9/15/2023	Megan Faust	CFO	Sell	2,700	$22.68	$61,236.00	35,394
9/6/2023	James J. Kim	Major Shareholder	Sell	10,000,000	$23.22	$232,200,000.00	39,594,980
8/18/2023	Megan Faust	CFO	Sell	2,700	$24.79	$66,933.00	35,394
7/21/2023	Megan Faust	CFO	Sell	2,700	$28.41	$76,707.00	35,394
6/16/2023	Megan Faust	CFO	Sell	2,700	$26.38	$71,226.00	35,394
6/9/2023	Megan Faust	CFO	Sell	2,700	$26.55	$71,685.00	35,394
6/1/2023	Sung Shin	EVP	Sell	5,000	$24.93	$124,650.00	15,418
5/24/2023	Megan Faust	CFO	Sell	2,700	$22.66	$61,182.00	35,394
4/20/2023	Megan Faust	CFO	Sell	6,000	$23.29	$139,740.00	35,394
4/17/2023	Giel Jean Rutten	CEO	Sell	30,000	$23.92	$717,600.00	119,808
3/16/2023	Megan Faust	CFO	Sell	6,000	$24.08	$144,480.00	35,394
3/15/2023	Giel Jean Rutten	CEO	Sell	30,000	$24.19	$725,700.00	134,808
2/27/2023	Gil C. Tily	Director	Sell	20,000	$25.81	$516,200.00	137,924
2/23/2023	Kevin Engel	EVP	Sell	14,250	$25.26	$359,955.00	3,021
2/22/2023	Susan Y. Kim	Major Shareholder	Sell	1,920,000	$25.28	$48,537,600.00	7,261,498
1/19/2023	Megan Faust	CFO	Sell	6,000	$29.28	$175,680.00	8,512
1/17/2023	Giel Jean Rutten	CEO	Sell	30,000	$30.73	$921,900.00	155,000
12/15/2022	Giel Jean Rutten	CEO	Sell	30,000	$25.68	$770,400.00	170,000
12/15/2022	Megan Faust	CFO	Sell	6,000	$25.77	$154,620.00	8,512
12/7/2022	Winston J. Churchill	Director	Sell	20,000	$26.00	$520,000.00	14,394
11/18/2022	Megan Faust	CFO	Sell	30,000	$28.95	$868,500.00	8,512
11/15/2022	Farshad Haghighi	EVP	Sell	16,076	$27.13	$436,141.88	434
11/15/2022	Giel Jean Rutten	CEO	Sell	30,000	$27.46	$823,800.00	185,000

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

Amkor Technology Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
11/13/2025	Vise Technologies Inc.	10,168	$0.29M	0.0%	N/A	0.004%
11/13/2025	Landscape Capital Management L.L.C.	18,684	$0.53M	0.0%	-36.0%	0.008%
11/13/2025	Ulland Investment Advisors LLC	18,260	$0.52M	0.4%	+2.8%	0.007%
11/13/2025	Arrowstreet Capital Limited Partnership	1,574,607	$44.72M	0.0%	+305.5%	0.637%
11/13/2025	Invesco Ltd.	1,229,931	$34.93M	0.0%	+133.7%	0.498%
11/13/2025	Sei Investments Co.	242,283	$6.88M	0.0%	+23.8%	0.098%
11/13/2025	UBS Group AG	410,675	$11.66M	0.0%	-307.6%	0.166%
11/13/2025	BNP Paribas Financial Markets	41,929	$1.19M	0.0%	-80.0%	0.017%
11/13/2025	Mackenzie Financial Corp	7,934	$0.23M	0.0%	N/A	0.003%
11/13/2025	Quadrant Capital Group LLC	31,099	$0.88M	0.0%	-1.2%	0.013%
11/13/2025	Ceredex Value Advisors LLC	426,050	$12.10M	0.3%	N/A	0.172%
11/13/2025	Legal & General Group Plc	190,049	$5.40M	0.0%	-4.3%	0.077%
11/13/2025	Swiss National Bank	239,500	$6.80M	0.0%	+1.5%	0.097%
11/13/2025	WINTON GROUP Ltd	42,772	$1.22M	0.0%	-56.0%	0.017%
11/13/2025	Russell Investments Group Ltd.	138,371	$3.93M	0.0%	-63.5%	0.056%
11/13/2025	AI Squared Management Ltd	64,800	$1.84M	1.9%	N/A	0.026%
11/13/2025	First Trust Advisors LP	1,981,609	$56.28M	0.0%	+17.6%	0.802%
11/12/2025	Barclays PLC	190,217	$5.40M	0.0%	+45.6%	0.077%
11/12/2025	Orion Porfolio Solutions LLC	23,081	$0.66M	0.0%	-6.7%	0.009%
11/12/2025	Dimensional Fund Advisors LP	13,151,210	$373.50M	0.1%	-1.0%	5.320%
11/12/2025	Victory Capital Management Inc.	126,128	$3.58M	0.0%	-18.4%	0.051%
11/12/2025	CI Investments Inc.	8,932	$0.25M	0.0%	-8.8%	0.004%
11/12/2025	Focus Partners Advisor Solutions LLC	15,201	$0.43M	0.0%	N/A	0.006%
11/12/2025	Segall Bryant & Hamill LLC	568,882	$16.16M	0.2%	+464.8%	0.230%
11/12/2025	111 Capital	18,050	$0.51M	0.1%	N/A	0.007%
11/12/2025	Fisher Asset Management LLC	687,918	$19.54M	0.0%	+10.5%	0.278%
11/12/2025	Royce & Associates LP	661,741	$18.79M	0.2%	-1.6%	0.268%
11/12/2025	American Century Companies Inc.	3,835,987	$108.94M	0.1%	+0.5%	1.552%
11/12/2025	Handelsbanken Fonder AB	43,076	$1.22M	0.0%	+56.2%	0.017%
11/12/2025	Xponance Inc.	18,444	$0.52M	0.0%	+43.8%	0.007%
11/12/2025	DNB Asset Management AS	139,666	$3.97M	0.0%	N/A	0.057%
11/12/2025	Intech Investment Management LLC	24,656	$0.70M	0.0%	N/A	0.010%
11/12/2025	Robotti Robert	18,175	$0.52M	0.1%	-90.5%	0.007%
11/10/2025	EverSource Wealth Advisors LLC	3,302	$94K	0.0%	+21.5%	0.001%
11/10/2025	Clearstead Advisors LLC	1,676	$48K	0.0%	-84.4%	0.001%
11/10/2025	Ameritas Investment Partners Inc.	21,311	$0.61M	0.0%	-3.4%	0.009%
11/10/2025	Channing Capital Management LLC	65,941	$1.87M	0.0%	N/A	0.027%
11/10/2025	Tredje AP fonden	42,003	$1.19M	0.0%	-91.8%	0.017%
11/7/2025	Rothschild Investment LLC	5,413	$0.15M	0.0%	+311.6%	0.002%
11/7/2025	M&G PLC	370,282	$10.37M	0.1%	-13.4%	0.150%
11/7/2025	Vanguard Group Inc.	15,779,847	$448.15M	0.0%	+4.6%	6.384%
11/7/2025	Fifth Third Bancorp	1,595	$45K	0.0%	-92.1%	0.001%
11/7/2025	PNC Financial Services Group Inc.	10,882	$0.31M	0.0%	+106.9%	0.004%
11/6/2025	Abich Financial Wealth Management LLC	5,151	$0.15M	0.1%	N/A	0.002%
11/6/2025	Ground Swell Capital LLC	9,110	$0.26M	0.6%	N/A	0.004%
11/6/2025	Leuthold Group LLC	10,981	$0.31M	0.0%	N/A	0.004%
11/6/2025	LSV Asset Management	3,981,356	$113.07M	0.2%	-17.6%	1.611%
11/6/2025	Rhumbline Advisers	315,856	$8.97M	0.0%	-2.1%	0.128%
11/6/2025	Essex Investment Management Co. LLC	1,526	$43K	0.0%	N/A	0.001%
11/6/2025	Profund Advisors LLC	8,167	$0.23M	0.0%	N/A	0.003%
11/6/2025	ProShare Advisors LLC	18,915	$0.54M	0.0%	-14.0%	0.008%
11/6/2025	Oppenheimer Asset Management Inc.	68,005	$1.93M	0.0%	-1.0%	0.028%
11/5/2025	State of Michigan Retirement System	27,049	$0.77M	0.0%	-1.1%	0.011%
11/5/2025	Fortitude Advisory Group L.L.C.	19,580	$0.56M	0.3%	+57.6%	0.008%
11/5/2025	Bessemer Group Inc.	933	$26K	0.0%	+72.1%	0.000%
11/5/2025	Savant Capital LLC	21,072	$0.60M	0.0%	+13.4%	0.009%
11/5/2025	Hantz Financial Services Inc.	3,153	$90K	0.0%	+130.3%	0.001%
11/5/2025	Envestnet Asset Management Inc.	769,803	$21.86M	0.0%	-1.3%	0.311%
11/4/2025	Allianz Asset Management GmbH	519,461	$14.75M	0.0%	+47.0%	0.210%
11/4/2025	Callan Family Office LLC	11,389	$0.32M	0.0%	-34.0%	0.005%
11/4/2025	Mission Wealth Management LP	17,794	$0.51M	0.0%	-11.4%	0.007%
11/4/2025	Jones Financial Companies Lllp	2,576	$75K	0.0%	+55.0%	0.001%
11/4/2025	Principal Financial Group Inc.	2,268,840	$64.44M	0.0%	-2.7%	0.918%
11/4/2025	Thrivent Financial for Lutherans	59,460	$1.69M	0.0%	+122.2%	0.024%
11/3/2025	AlphaQuest LLC	9,165	$0.26M	0.0%	N/A	0.004%
11/3/2025	Arizona State Retirement System	36,553	$1.04M	0.0%	+1.4%	0.015%
11/3/2025	Knights of Columbus Asset Advisors LLC	67,552	$1.92M	0.1%	N/A	0.027%
11/3/2025	Impact Partnership Wealth LLC	7,091	$0.20M	0.0%	N/A	0.003%
11/3/2025	New York State Common Retirement Fund	45,793	$1.30M	0.0%	+24.5%	0.019%
11/3/2025	Mirae Asset Global Investments Co. Ltd.	28,733	$0.82M	0.0%	-92.7%	0.012%
11/3/2025	SummerHaven Investment Management LLC	38,654	$1.10M	0.6%	N/A	0.016%
10/31/2025	Vanguard Personalized Indexing Management LLC	36,003	$1.02M	0.0%	-3.2%	0.015%
10/31/2025	Mutual of America Capital Management LLC	52,504	$1.49M	0.0%	-7.1%	0.021%
10/31/2025	Retirement Systems of Alabama	137,452	$3.90M	0.0%	-1.0%	0.056%
10/31/2025	CIBC Asset Management Inc	7,737	$0.22M	0.0%	N/A	0.003%
10/31/2025	GHP Investment Advisors Inc.	86,871	$2.47M	0.1%	+4.8%	0.035%
10/31/2025	UG Investment Advisers Ltd.	177,265	$5.03M	0.8%	-84.0%	0.072%
10/30/2025	Covestor Ltd	8,218	$0.23M	0.1%	-15.9%	0.003%
10/30/2025	Universal Beteiligungs und Servicegesellschaft mbH	214,764	$6.10M	0.0%	-11.4%	0.087%
10/30/2025	Vest Financial LLC	7,284	$0.21M	0.0%	N/A	0.003%
10/30/2025	Williams & Novak LLC	11,026	$0.31M	0.2%	-6.1%	0.004%
10/29/2025	Wealth Enhancement Advisory Services LLC	59,386	$1.77M	0.0%	+53.5%	0.024%
10/29/2025	CFC Planning Co LLC	8,917	$0.25M	0.2%	N/A	0.004%
10/29/2025	Sequoia Financial Advisors LLC	17,630	$0.50M	0.0%	+19.1%	0.007%
10/24/2025	New York State Teachers Retirement System	39,480	$1.12M	0.0%	-0.8%	0.016%
10/24/2025	Bayforest Capital Ltd	7,694	$0.22M	0.1%	N/A	0.003%
10/24/2025	Forum Financial Management LP	7,325	$0.21M	0.0%	N/A	0.003%
10/24/2025	Oregon Public Employees Retirement Fund	22,894	$0.65M	0.0%	-1.7%	0.009%
10/24/2025	State of Alaska Department of Revenue	152,753	$4.34M	0.0%	-55.6%	0.062%
10/23/2025	Nisa Investment Advisors LLC	2,638	$75K	0.0%	-33.0%	0.001%
10/23/2025	Foster & Motley Inc.	26,082	$0.74M	0.0%	-5.6%	0.011%
10/23/2025	SG Americas Securities LLC	14,942	$0.42M	0.0%	+90.9%	0.006%
10/22/2025	Louisiana State Employees Retirement System	31,600	$0.90M	0.0%	-1.3%	0.013%
10/22/2025	Hennion & Walsh Asset Management Inc.	7,798	$0.22M	0.0%	N/A	0.003%
10/21/2025	Altfest L J & Co. Inc.	16,913	$0.48M	0.1%	N/A	0.007%
10/21/2025	Salomon & Ludwin LLC	858	$25K	0.0%	N/A	0.000%
10/20/2025	Allspring Global Investments Holdings LLC	227,679	$6.71M	0.0%	N/A	0.092%
10/20/2025	Merit Financial Group LLC	13,337	$0.38M	0.0%	+15.4%	0.005%
10/20/2025	VIRGINIA RETIREMENT SYSTEMS ET Al	43,724	$1.24M	0.0%	-5.2%	0.018%
10/20/2025	Diversified Trust Co	11,718	$0.33M	0.0%	N/A	0.005%

Data available starting January 2016

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.

Today's Range

Now: $31.95

$31.37

$34.10

50 Day Range

MA: $30.41

$24.64

$37.84

52 Week Range

Now: $31.95

$14.03

$38.22

Volume

3,316,697 shs

Average Volume

2,351,525 shs

Market Capitalization

$7.90 billion

P/E Ratio

25.56

Dividend Yield

0.94%

Beta

2.02

Who are the company insiders with the largest holdings of Amkor Technology?: Amkor Technology's top insider shareholders include:
Agnes C Kim (Major Shareholder)
John T Kim (Major Shareholder)
Sujoda Management, Llc (Major Shareholder)
Guillaume Marie Jean Rutten (CEO)
Gil C Tily (Director)
Megan Faust (CFO)
Roger Anthony Carolin (Director)
Mark N Rogers (EVP)
Winston J Churchill (Director)
Farshad Haghighi (EVP)
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:
Vanguard Group Inc. — 6.38%
Dimensional Fund Advisors LP — 5.32%
LSV Asset Management — 1.61%
American Century Companies Inc. — 1.55%
Principal Financial Group Inc. — 0.92%
First Trust Advisors LP — 0.80%
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:
UG Investment Advisers Ltd.
LSV Asset Management
Tredje AP fonden
Mirae Asset Global Investments Co. Ltd.
Group One Trading LLC
Russell Investments Group Ltd.
State of Alaska Department of Revenue
Robotti Robert
In the last year, company insiders that have sold Amkor Technology company stock include:
Agnes C Kim (Major Shareholder)
John T Kim (Major Shareholder)
Sujoda Management, Llc (Major Shareholder)
Guillaume Marie Jean Rutten (CEO)
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:
Vanguard Group Inc.
Segall Bryant & Hamill LLC
Ceredex Value Advisors LLC
First Trust Advisors LP
Allspring Global Investments Holdings LLC
Allianz Asset Management GmbH
DNB Asset Management AS
Knights of Columbus Asset Advisors LLC
Within the last year, these company insiders have bought Amkor Technology stock:
Agnes C Kim (Major Shareholder)
John T Kim (Major Shareholder)
Learn More investors buying Amkor Technology stock.