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AMKOR TECHNOLOGY INC (AMKR) Stock Ownership and Short Interest

USA - Nasdaq - NASDAQ:AMKR - US0316521006 - Common Stock

40.76 USD
-0.1 (-0.24%)
Last: 12/24/2025, 8:13:20 PM
40.76 USD
0 (0%)
After Hours: 12/24/2025, 8:13:20 PM
AMKR Ownership Chart.AMKR Ownership Chart: showing Insider, Institutional ownership and shares available to the public.AMKR Ownership.InsiderInstitutionalPublic



Shares Outstanding247.19M
Float111.96M
Float Short Interest Percentage7.89%
Owners (insider)1.19%
Owners (institutional)45.07%
Owners (insider) change-0.24%
Owners (institutional) change-4.33%
AMKR Institutional Ownership HistoryAMKR Institutional Ownership HistoryAMKR Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 20M 40M 60M 80M 100M
AMKR Historical Insider Transactions ChartAMKR Historical Insider Buy and Sell Transactions ChartAMKR Historical Insider Transactions Jan 2025 Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 0 2M -2M 4M -4M -6M -8M
Date Name Type Shares Price Amount
Dec 19, 2025 KIM SUSAN Y Other Aquisition 5782594 0.00 $ 0.00
Dec 19, 2025 KIM JAMES J Other Disposition 5782594 0.00 $ 0.00
Dec 19, 2025 KIM AGNES C Other Disposition 5782594 0.00 $ 0.00
Dec 16, 2025 ROGERS MARK N Option Excercise 20000 7.40 $ 148,000.00
Dec 16, 2025 ROGERS MARK N Open Market Sale 20000 42.95 $ 859,000.00
Dec 15, 2025 CHURCHILL WINSTON J Option Excercise 5000 19.39 $ 96,950.00
Dec 15, 2025 CHURCHILL WINSTON J Open Market Sale 5000 44.29 $ 221,450.00
Dec 15, 2025 Rutten Guillaume Marie Jean Open Market Sale 10000 44.80 $ 448,000.00
Dec 12, 2025 McCourt MaryFrances Option Excercise 20000 19.39 $ 387,800.00
Dec 12, 2025 McCourt MaryFrances Open Market Sale 20000 46.02 $ 920,400.00
Dec 12, 2025 Engel Kevin Open Market Sale 11000 46.21 $ 508,310.00
Dec 12, 2025 Tily Gil C. Open Market Sale 20000 46.44 $ 928,800.00
Dec 4, 2025 KIM SUSAN Y Other Disposition 1516000 0.00 $ 0.00
Dec 4, 2025 2023 Grantor Retained Annuity Trust of Susan Y. Kim Dated 9/15/2023 Other Disposition 758000 0.00 $ 0.00
Nov 21, 2025 KIM JAMES J Other Aquisition 965000 0.00 $ 0.00
Nov 20, 2025 KIM AGNES C Other Aquisition 705000 0.00 $ 0.00
Nov 20, 2025 2024 Grantor Retained Annuity Trust of Agnes C. Kim dtd. 8/5/2024 Other Disposition 705000 0.00 $ 0.00
Nov 20, 2025 KIM SUSAN Y Other Aquisition 3422000 0.00 $ 0.00
Nov 20, 2025 KIM SUSAN Y Grant 965000 0.00 $ 0.00
Nov 20, 2025 2024 Grantor Retained Annuity Trust of James J. Kim dtd. 8/5/2024 Other Disposition 965000 0.00 $ 0.00
Nov 20, 2025 2024 Grantor Retained Annuity Trust of Susan Y. Kim dtd. 8/5/2024 Other Disposition 876000 0.00 $ 0.00
Nov 17, 2025 Rutten Guillaume Marie Jean Open Market Sale 10000 31.68 $ 316,800.00
Nov 17, 2025 ROGERS MARK N Option Excercise 20000 7.40 $ 148,000.00
Nov 17, 2025 ROGERS MARK N Open Market Sale 20000 31.69 $ 633,800.00
Nov 14, 2025 Haghighi Farshad Option Excercise 797 0.00 $ 0.00
Nov 14, 2025 Haghighi Farshad Option Excercise 797 31.68 $ 25,248.96
Nov 14, 2025 Engel Kevin Option Excercise 669 0.00 $ 0.00
Nov 14, 2025 Engel Kevin Option Excercise 669 31.68 $ 21,193.92
Nov 4, 2025 KIM JOHN T Other Aquisition 1693500 0.00 $ 0.00
Nov 4, 2025 John T. Kim 2024 GRAT #2 dtd. 08/09/2024 Other Disposition 40750 0.00 $ 0.00
Nov 4, 2025 John T. Kim 2024 GRAT #1 dtd. 08/09/2024 Other Disposition 806000 0.00 $ 0.00
Oct 15, 2025 Rutten Guillaume Marie Jean Open Market Sale 10000 30.74 $ 307,400.00
Sep 30, 2025 Engel Kevin Option Excercise 8692 0.00 $ 0.00
Sep 30, 2025 Engel Kevin Option Excercise 3725 28.40 $ 105,790.00
Sep 30, 2025 Faust Megan Option Excercise 8692 0.00 $ 0.00
Sep 30, 2025 Faust Megan Option Excercise 3725 28.40 $ 105,790.00
Sep 30, 2025 Rutten Guillaume Marie Jean Option Excercise 8692 0.00 $ 0.00
Sep 23, 2025 Rutten Guillaume Marie Jean Open Market Sale 10000 30.00 $ 300,000.00
Sep 9, 2025 Haghighi Farshad Open Market Sale 11792 25.00 $ 294,800.00
Aug 1, 2025 KIM JOHN T Other Aquisition 718003 0.00 $ 0.00
Aug 1, 2025 KIM JOHN T Open Market Purchase 441589 21.85 $ 9,648,719.65
Aug 1, 2025 KIM SUSAN Y Other Aquisition 2154007 0.00 $ 0.00
Aug 1, 2025 KIM SUSAN Y Open Market Purchase 441589 21.85 $ 9,648,719.65
Jul 31, 2025 ROGERS MARK N Open Market Sale 15000 23.58 $ 353,727.00
Jul 30, 2025 KIM JAMES J Other Aquisition 4449000 0.00 $ 0.00
Jul 30, 2025 2023 Grantor Retained Annuity Trust of Agnes C. Kim Dated 4/26/2023 Other Disposition 1738000 0.00 $ 0.00
Jul 30, 2025 2023 Grantor Retained Annuity Trust of James J. Kim Dated 4/26/2023 Other Disposition 2711000 0.00 $ 0.00
Jul 30, 2025 KIM AGNES C Other Aquisition 4449000 0.00 $ 0.00
Jul 30, 2025 KIM SUSAN Y Other Disposition 4449000 0.00 $ 0.00
Jun 30, 2025 Faust Megan Option Excercise 8691 0.00 $ 0.00
Jun 30, 2025 Faust Megan Option Excercise 3725 20.99 $ 78,187.75
Jun 30, 2025 Engel Kevin Option Excercise 8691 0.00 $ 0.00
Jun 30, 2025 Engel Kevin Option Excercise 3725 20.99 $ 78,187.75
Jun 30, 2025 Rutten Guillaume Marie Jean Option Excercise 8691 0.00 $ 0.00
May 14, 2025 KIM SUSAN Y Option Excercise 6017 0.00 $ 0.00
May 14, 2025 WATSON DAVID N Option Excercise 6017 0.00 $ 0.00
May 14, 2025 Tily Gil C. Option Excercise 6017 0.00 $ 0.00
May 14, 2025 Morse Robert Randolph Option Excercise 6017 0.00 $ 0.00
May 14, 2025 McCourt MaryFrances Option Excercise 6017 0.00 $ 0.00
May 14, 2025 LIU JOHN D Option Excercise 2983 0.00 $ 0.00
May 14, 2025 Liao Daniel JL Option Excercise 6017 $ 0.00
May 14, 2025 CHURCHILL WINSTON J Option Excercise 6017 0.00 $ 0.00
May 14, 2025 Carolin Roger Anthony Option Excercise 6017 0.00 $ 0.00
May 14, 2025 ALEXANDER DOUGLAS A Option Excercise 6017 0.00 $ 0.00
Mar 14, 2025 WATSON DAVID N Option Excercise 20000 6.81 $ 136,200.00
Feb 25, 2025 Engel Kevin Open Market Sale 5489 21.69 $ 119,056.41
Feb 25, 2025 Morse Robert Randolph Option Excercise 20000 6.81 $ 136,200.00
Feb 24, 2025 Rutten Guillaume Marie Jean Option Excercise 10748 0.00 $ 0.00
Feb 24, 2025 Engel Kevin Option Excercise 910 0.00 $ 0.00
Feb 24, 2025 Engel Kevin Option Excercise 380 21.95 $ 8,341.00
Feb 24, 2025 Haghighi Farshad Option Excercise 1815 0.00 $ 0.00
Feb 24, 2025 Haghighi Farshad Option Excercise 811 21.95 $ 17,801.45
Feb 24, 2025 ROGERS MARK N Option Excercise 1881 0.00 $ 0.00
Feb 24, 2025 ROGERS MARK N Option Excercise 807 21.95 $ 17,713.65
Feb 24, 2025 Faust Megan Option Excercise 3493 0.00 $ 0.00
Feb 24, 2025 Faust Megan Option Excercise 1497 21.95 $ 32,859.15
Feb 24, 2025 Sujoda Management, LLC Open Market Purchase 869565 21.85 $ 18,999,995.25
Feb 24, 2025 KIM JOHN T Open Market Purchase 869565 21.85 $ 18,999,995.25
Feb 24, 2025 KIM SUSAN Y Open Market Purchase 869565 21.85 $ 18,999,995.25
Feb 24, 2025 KIM JAMES J Open Market Sale 869565 21.85 $ 18,999,995.25
Feb 24, 2025 KIM AGNES C Open Market Sale 869565 21.85 $ 18,999,995.25
Feb 24, 2025 KIM DAVID D Open Market Purchase 869565 21.85 $ 18,999,995.25
Feb 24, 2025 SUJODA Investments, LP Open Market Purchase 869565 21.85 $ 18,999,995.25
Feb 20, 2025 Haghighi Farshad Option Excercise 7152 0.00 $ 0.00
Feb 20, 2025 ROGERS MARK N Option Excercise 7422 0.00 $ 0.00
Feb 20, 2025 Engel Kevin Option Excercise 6358 0.00 $ 0.00
Feb 20, 2025 Faust Megan Option Excercise 16805 0.00 $ 0.00
Feb 20, 2025 Rutten Guillaume Marie Jean Option Excercise 112941 0.00 $ 0.00
Feb 19, 2025 KIM JAMES J Grant 3196 0.00 $ 0.00
Feb 19, 2025 KIM JAMES J Option Excercise 1528 22.72 $ 34,716.16
Feb 19, 2025 Engel Kevin Grant 2731 0.00 $ 0.00
Feb 19, 2025 Engel Kevin Option Excercise 3991 8.31 $ 33,160.96
Feb 19, 2025 Faust Megan Grant 6973 0.00 $ 0.00
Feb 19, 2025 Faust Megan Option Excercise 10189 22.92 $ 233,582.37
Feb 19, 2025 Rutten Guillaume Marie Jean Grant 16736 0.00 $ 0.00
Feb 19, 2025 Haghighi Farshad Grant 3080 0.00 $ 0.00
Feb 19, 2025 Haghighi Farshad Option Excercise 4851 22.91 $ 111,154.32
Feb 19, 2025 ROGERS MARK N Grant 3080 0.00 $ 0.00
Feb 19, 2025 ROGERS MARK N Option Excercise 4523 22.92 $ 103,685.05
Feb 14, 2025 Engel Kevin Option Excercise 1345 0.00 $ 0.00
Feb 14, 2025 Engel Kevin Option Excercise 559 22.51 $ 12,583.09
Feb 14, 2025 Faust Megan Option Excercise 4176 0.00 $ 0.00
Feb 14, 2025 Faust Megan Option Excercise 1934 22.51 $ 43,534.34
Feb 14, 2025 Haghighi Farshad Option Excercise 1789 0.00 $ 0.00
Feb 14, 2025 Haghighi Farshad Option Excercise 813 22.51 $ 18,300.63
Feb 14, 2025 Rutten Guillaume Marie Jean Option Excercise 13920 0.00 $ 0.00
Feb 14, 2025 ROGERS MARK N Option Excercise 1856 0.00 $ 0.00
Feb 14, 2025 ROGERS MARK N Option Excercise 894 22.51 $ 20,123.94
Feb 11, 2025 Carolin Roger Anthony Option Excercise 40000 6.24 $ 249,400.00
Feb 11, 2025 Haghighi Farshad Option Excercise 656 0.00 $ 0.00
Feb 11, 2025 Haghighi Farshad Option Excercise 298 21.60 $ 6,436.80
Feb 11, 2025 Engel Kevin Option Excercise 790 0.00 $ 0.00
Feb 11, 2025 Engel Kevin Option Excercise 327 21.60 $ 7,063.20
Feb 11, 2025 ROGERS MARK N Option Excercise 1634 0.00 $ 0.00
Feb 11, 2025 ROGERS MARK N Option Excercise 787 21.60 $ 16,999.20
Feb 11, 2025 Faust Megan Option Excercise 1906 0.00 $ 0.00
Feb 11, 2025 Faust Megan Option Excercise 918 21.60 $ 19,828.80
Jan 17, 2025 James J. Kim 2021 Qualified Annuity Trust U/A Dated 12/15/2021 Other Disposition 548000 0.00 $ 0.00
Jan 17, 2025 KIM JAMES J Other Disposition 548000 0.00 $ 0.00
Jan 17, 2025 KIM AGNES C Other Disposition 548000 0.00 $ 0.00
Jan 17, 2025 KIM JOHN T Other Aquisition 274000 0.00 $ 0.00
Jan 17, 2025 KIM SUSAN Y Other Disposition 822000 0.00 $ 0.00
Jan 7, 2025 KIM SUSAN Y Other Disposition 790019 0.00 $ 0.00
Jan 7, 2025 James J. Kim 2021 Qualified Annuity Trust U/A Dated 12/15/2021 Other Disposition 790019 0.00 $ 0.00