Insider Transactions Reported by 55 Insiders of AMKOR TECHNOLOGY, INC.

Symbol
AMKR on Nasdaq
Location
Tempe, AZ

Insiders trading volume in the past year

AMKOR TECHNOLOGY, INC. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
John T. Kim Member of 10% owner group (6), 10%+ Owner $4,398,838,899 -$475,251,280 -9.8% 12 Feb 2026
Susan Y. Kim Director, Member of 10% owner group (6), 10%+ Owner $1,949,523,148 +$9,648,720 +0.5% 26 Dec 2025
915 Investments, LP Member of 10% owner group (2) $1,435,060,580 -$484,900,000 -25% 12 Feb 2026
Kim Capital Partners - KCP, LLC Member of 10% owner group (3) $534,741,376 14 Nov 2023
Agnes C. Kim Member of 10% owner group (3) $355,835,944 -$9,648,720 -2.6% 26 Dec 2025
James J. Kim Member of 10% owner group (4), 10%+ Owner $355,835,943 -$9,648,720 -2.6% 26 Dec 2025
David D. Kim Member of 10% owner group (5) $141,980,797 +$9,648,720 +7.3% 01 Aug 2025
SUJODA Investments, LP Member of 10% owner group (2) $82,800,116 +$9,648,720 +13% 01 Aug 2025
Sujoda Management, LLC Member of 10% owner group (4) $82,800,116 +$9,648,720 +13% 01 Aug 2025
2024 Grantor Retained Annuity Trust of James J. Kim dtd. 8/5/2024 Member of 10% owner group (2) $39,717,600 20 Nov 2025
2024 Grantor Retained Annuity Trust of Susan Y. Kim dtd. 8/5/2024 Member of 10% owner group (2) $36,147,840 20 Nov 2025
Kim 2024 Grat #1 Dtd. 08/09/2024 John T. Member of 10% owner group $33,909,600 04 Nov 2025
2024 Grantor Retained Annuity Trust of Agnes C. Kim dtd. 8/5/2024 Member of 10% owner group (2) $28,783,200 20 Nov 2025
Guillaume Marie Jean Rutten Director $26,773,784 -$3,338,500 -11% 24 Feb 2026
Family Trust Under the John T. Kim 2018 Irrevocable Trust Agreement Dated 2/6/18 Member of 10% owner group (2) $15,943,424 27 Jul 2023
Megan Faust Cfo $6,344,431 24 Feb 2026
David N. Watson Director $6,043,806 25 Feb 2026
Gil C. Tily Director $5,790,526 -$928,800 -14% 23 Dec 2025
Susins, LLC Member of 10% owner group (2) $5,269,696 27 Dec 2021
Susan Y. Kim 2012 Generation-Skipping Trust U/A Dated December 11, 2012 Member of 10% owner group (2) $5,269,696 27 Dec 2021
MaryFrances McCourt Director $2,614,322 -$920,400 -26% 23 Dec 2025
Robert R. Morse Director $2,092,341 23 Dec 2025
Mark N. Rogers EVP & General Counsel $1,889,891 -$2,327,527 -55% 24 Feb 2026
Roger A. Carolin Director $1,691,245 23 Dec 2025
Kim 2024 Grat #2 Dtd. 08/09/2024 John T. Member of 10% owner group $1,682,700 04 Nov 2025
Winston J. Churchill Director $1,187,555 -$221,450 -16% 23 Dec 2025
John Charles Stone Executive Vice President $1,057,216 11 Feb 2022
Daniel Jl Liao Director $754,229 23 Dec 2025
Douglas A. Alexander Director $549,801 23 Dec 2025
Sung Shin Executive Vice President $493,376 01 Jun 2023
Farshad Haghighi Executive Vice President $463,143 -$1,083,812 -70% 24 Feb 2026
Kevin K. Engel President and CEO, Director $164,591 -$1,362,380 -89% 24 Feb 2026
John D. Liu Director $72,457 23 Sep 2025
Cherie Buntyn Chief Accounting Officer $0 12 Mar 2026
2023 Grantor Retained Annuity Trust of Agnes C. Kim Dated 4/26/2023 Member of 10% owner group (3) $0 01 Aug 2025
2023 Grantor Retained Annuity Trust of Susan Y. Kim Dated 9/15/2023 Member of 10% owner group (2) $0 26 Dec 2025
James J. Kim 2021 Qualified Annuity Trust U/A Dated 12/15/2021 Member of 10% owner group (3) $0 17 Jan 2025
2023 Grantor Retained Annuity Trust of James J. Kim Dated 4/26/2023 Member of 10% owner group (3) $0 01 Aug 2025
Dylan Investments, LLC Member of 10% owner group (2) 14 Nov 2023
Qualified Annuity Trust under the James J. Kim 2020-1 Annuity Trust Agreement dated 04/01/2020 Member of 10% owner group (3) 25 Jul 2023
Qualified Annuity Trust under the Susan Y. Kim 2018-1 Irrevocable Trust Agreement dtd August 29, 2018 Member of 10% owner group (2) 19 Oct 2023
Irrevocable Deed of Trust of Susan Y. Kim dated 4/16/98 For the Benefit of Dylan James Panichello Other* 20 Sep 2021
Liam E. Blaney Member of 10% owner group (4) 14 Nov 2023
Irrevocable Deed of Trust of Susan Y. Kim dated 4/16/98 For the Benefit of Jacqueline Mary Panichello Other* 20 Sep 2021
Trust of Kim Susan Y dated 4/16/98 for the benefit of Alexandra Panichello Other* 20 Sep 2021
Agnes C. Kim 2020-1 Qualified Annuity Trust Under Agreement Dated 12/16/20 Member of 10% owner group (4) 22 Dec 2023
Qualified Annuity Trust under the James J. Kim 2018-1 Qualified Annuity Trust Agreement dtd 8/30/18 Member of 10% owner group (4) 01 Oct 2021
Family Trust Under the Susan Y. Kim 2020-1 Irrevocable Trust Agreement Dated 04/01/2020 Member of 10% owner group (2) 14 Nov 2023
Family Trust under the Susan Y. Kim 2018-1 Irrevocable Trust Agreement dtd. 8/29/18 Member of 10% owner group (2) 14 Nov 2023
Family Trust Under the Susan Y. Kim 2012 Irrevocable Trust Agreement Dated 7/26/12 Member of 10% owner group (2) 14 Nov 2023
Qualified Annuity Trust under the John T. Kim 2018 Irrevocable Trust Agreement Dated 2/6/18 Member of 10% owner group (2) 27 Jul 2023
Jacqueline Investments, LLC Member of 10% owner group (2) 14 Nov 2023
Qualified Annuity Trust under the Susan Y. Kim 2020-1 Irrevocable Trust Agreement dated 04/01/2020 Member of 10% owner group (2) 14 Sep 2023
Qualified Annuity Trust under the James J. Kim 2019-1 Qualified Annuity Trust Agreement dtd September10,2019 Member of 10% owner group (4) 01 Dec 2022
Alexandra Investments, LLC Member of 10% owner group (2) 14 Nov 2023

Recent Insider Transactions by Companies or Individuals for AMKOR TECHNOLOGY, INC.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Cherie Buntyn AMKR Restricted Stock Units Award 799 799 12 Mar 2026 Direct
David N. Watson AMKR Common Stock Tax liability -1.81% -2,223 120,757 25 Feb 2026 Direct
David N. Watson AMKR Common Stock Options Exercise 19.4% 20,000 122,980 25 Feb 2026 Direct
David N. Watson AMKR Director Stock Option (Right-to-Buy) Options Exercise -100% -20,000 0 25 Feb 2026 Direct
Farshad Haghighi AMKR Common Stock Sale -65.2% $789,012 $50.50 -15,624 8,354 25 Feb 2026 Direct
Kevin K. Engel AMKR Common Stock Sale -80.9% $609,375 $48.75 -12,500 2,953 24 Feb 2026 Direct
Kevin K. Engel AMKR Common Stock Tax liability -2.35% -372 15,453 24 Feb 2026 Direct
Kevin K. Engel AMKR Common Stock Options Exercise 6.1% 910 15,825 24 Feb 2026 Direct
Kevin K. Engel AMKR Restricted Stock Units Options Exercise -100% -910 0 24 Feb 2026 Direct
Guillaume Marie Jean Rutten AMKR Common Stock Sale -3.55% $976,000 $48.80 -20,000 543,866 24 Feb 2026 Direct
Guillaume Marie Jean Rutten AMKR Common Stock Options Exercise 1.94% 10,748 563,866 24 Feb 2026 Direct
Guillaume Marie Jean Rutten AMKR Restricted Stock Units Options Exercise -100% -10,748 0 24 Feb 2026 Direct
Megan Faust AMKR Common Stock Tax liability -1.15% -1,497 129,171 24 Feb 2026 Direct
Megan Faust AMKR Common Stock Options Exercise 2.75% 3,493 130,668 24 Feb 2026 Direct
Megan Faust AMKR Restricted Stock Units Options Exercise -100% -3,493 0 24 Feb 2026 Direct
Mark N. Rogers AMKR Common Stock Tax liability -2.03% -806 38,904 24 Feb 2026 Direct
Mark N. Rogers AMKR Common Stock Options Exercise 4.97% 1,880 39,710 24 Feb 2026 Direct
Mark N. Rogers AMKR Restricted Stock Units Options Exercise -100% -1,880 0 24 Feb 2026 Direct
Farshad Haghighi AMKR Common Stock Tax liability -3.29% -815 23,978 24 Feb 2026 Direct
Farshad Haghighi AMKR Common Stock Options Exercise 7.89% 1,814 24,793 24 Feb 2026 Direct
Farshad Haghighi AMKR Restricted Stock Units Options Exercise -100% -1,814 0 24 Feb 2026 Direct
Kevin K. Engel AMKR Common Stock Tax liability -44.2% -6,883 8,707 20 Feb 2026 Direct
Kevin K. Engel AMKR Common Stock Options Exercise 717.8% 16,853 19,201 20 Feb 2026 Direct
Kevin K. Engel AMKR Restricted Stock Units Options Exercise -71.9% -16,853 6,583 20 Feb 2026 Direct
Megan Faust AMKR Common Stock Tax liability -11.4% -14,960 116,828 20 Feb 2026 Direct
Megan Faust AMKR Common Stock Options Exercise 34.9% 34,911 134,934 20 Feb 2026 Direct
Megan Faust AMKR Restricted Stock Units Options Exercise -67.5% -34,911 16,810 20 Feb 2026 Direct
Mark N. Rogers AMKR Common Stock Tax liability -17.4% -6,905 32,864 20 Feb 2026 Direct
Mark N. Rogers AMKR Common Stock Options Exercise 63.3% 16,112 41,554 20 Feb 2026 Direct
Mark N. Rogers AMKR Restricted Stock Units Options Exercise -68.5% -16,112 7,424 20 Feb 2026 Direct
Guillaume Marie Jean Rutten AMKR Common Stock Options Exercise 45.3% 172,329 553,118 20 Feb 2026 Direct
Guillaume Marie Jean Rutten AMKR Restricted Stock Units Options Exercise -75.3% -172,329 56,470 20 Feb 2026 Direct
Farshad Haghighi AMKR Common Stock Tax liability -31.5% -7,907 17,208 20 Feb 2026 Direct
Farshad Haghighi AMKR Common Stock Options Exercise 175.2% 17,621 27,676 20 Feb 2026 Direct
Farshad Haghighi AMKR Restricted Stock Units Options Exercise -70.4% -17,621 7,424 20 Feb 2026 Direct
Megan Faust AMKR Common Stock Tax liability -5.51% -5,941 101,895 18 Feb 2026 Direct
Megan Faust AMKR Common Stock Award 14.2% 13,863 111,220 18 Feb 2026 Direct
Megan Faust AMKR Restricted Stock Units Award 26,743 26,743 18 Feb 2026 Direct
Farshad Haghighi AMKR Common Stock Tax liability -26.2% -3,659 10,292 18 Feb 2026 Direct
Farshad Haghighi AMKR Common Stock Award 91.6% 7,597 15,886 18 Feb 2026 Direct
Farshad Haghighi AMKR Restricted Stock Units Award 18,185 18,185 18 Feb 2026 Direct
Guillaume Marie Jean Rutten AMKR Common Stock Award 12.2% 41,478 380,789 18 Feb 2026 Direct
Kevin K. Engel AMKR Common Stock Tax liability -64.8% -3,212 1,749 18 Feb 2026 Direct
Kevin K. Engel AMKR Common Stock Award 7,371 7,343 18 Feb 2026 Direct
Kevin K. Engel AMKR Restricted Stock Units Award 74,881 53,487 18 Feb 2026 Direct
Mark N. Rogers AMKR Common Stock Tax liability -9.63% -2,777 26,066 18 Feb 2026 Direct
Mark N. Rogers AMKR Common Stock Award 26.9% 6,478 30,541 18 Feb 2026 Direct
Mark N. Rogers AMKR Restricted Stock Units Award 14,976 14,976 18 Feb 2026 Direct
Guillaume Marie Jean Rutten AMKR Common Stock Sale -2.86% $458,900 $45.89 -10,000 339,311 17 Feb 2026 Direct
Kevin K. Engel AMKR Common Stock Sale -87.1% $244,695 $46.03 -5,316 786 17 Feb 2026 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.