AMKOR TECHNOLOGY INC (AMKR) Stock Ownership

NASDAQ:AMKR • US0316521006

Current stock price

45.81 USD
-2.32 (-4.82%)
At close:
46.45 USD
+0.64 (+1.4%)
After Hours:

AMKR Ownership information

AMKR Ownership Chart.AMKR Ownership Chart: showing Insider, Institutional ownership and shares available to the public.AMKR Ownership.InsiderInstitutionalPublic



Shares Outstanding247.31M
Float120.62M
Float Short Interest Percentage6.92%
Owners (insider)0.54%
Owners (institutional)46.63%
Owners (insider) change-16.77%
Owners (institutional) change5.66%
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 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026 0 -5M -10M -15M -20M
Date Name Type Shares Price Amount
Mar 16, 2026 ROGERS MARK N Option Excercise 5000 7.40 $ 37,000.00
Mar 16, 2026 ROGERS MARK N Open Market Sale 5000 44.54 $ 222,700.00
Feb 25, 2026 WATSON DAVID N Option Excercise 20000 5.66 $ 113,200.00
Feb 25, 2026 WATSON DAVID N Option Excercise 2223 0.00 $ 0.00
Feb 25, 2026 Haghighi Farshad Open Market Sale 15624 50.50 $ 789,012.00
Feb 24, 2026 Faust Megan Option Excercise 3493 0.00 $ 0.00
Feb 24, 2026 Faust Megan Option Excercise 1497 48.53 $ 72,649.41
Feb 24, 2026 ROGERS MARK N Option Excercise 1880 0.00 $ 0.00
Feb 24, 2026 ROGERS MARK N Option Excercise 806 48.53 $ 39,115.18
Feb 24, 2026 Haghighi Farshad Option Excercise 1814 0.00 $ 0.00
Feb 24, 2026 Haghighi Farshad Option Excercise 815 48.53 $ 39,551.95
Feb 24, 2026 Engel Kevin Option Excercise 910 0.00 $ 0.00
Feb 24, 2026 Engel Kevin Option Excercise 372 48.53 $ 18,053.16
Feb 24, 2026 Engel Kevin Open Market Sale 12500 48.75 $ 609,375.00
Feb 24, 2026 Rutten Guillaume Marie Jean Option Excercise 10748 0.00 $ 0.00
Feb 24, 2026 Rutten Guillaume Marie Jean Open Market Sale 20000 48.80 $ 976,000.00
Feb 20, 2026 ROGERS MARK N Option Excercise 6905 47.94 $ 331,025.70
Feb 20, 2026 Rutten Guillaume Marie Jean Option Excercise 172329 0.00 $ 0.00
Feb 20, 2026 Haghighi Farshad Option Excercise 17621 0.00 $ 0.00
Feb 20, 2026 Haghighi Farshad Option Excercise 7907 47.94 $ 379,061.58
Feb 20, 2026 Engel Kevin Option Excercise 16853 0.00 $ 0.00
Feb 20, 2026 Engel Kevin Option Excercise 6883 47.94 $ 329,971.02
Feb 20, 2026 Faust Megan Option Excercise 34911 0.00 $ 0.00
Feb 20, 2026 Faust Megan Option Excercise 14960 47.94 $ 717,182.40
Feb 20, 2026 ROGERS MARK N Option Excercise 16112 0.00 $ 0.00
Feb 18, 2026 Faust Megan Grant 13863 0.00 $ 0.00
Feb 18, 2026 Faust Megan Option Excercise 5941 46.74 $ 277,682.34
Feb 18, 2026 Haghighi Farshad Grant 7597 0.00 $ 0.00
Feb 18, 2026 Haghighi Farshad Option Excercise 3659 46.74 $ 171,021.66
Feb 18, 2026 Rutten Guillaume Marie Jean Grant 41478 0.00 $ 0.00
Feb 18, 2026 Engel Kevin Grant 7371 0.00 $ 0.00
Feb 18, 2026 Engel Kevin Option Excercise 3212 46.74 $ 150,128.88
Feb 18, 2026 ROGERS MARK N Grant 6478 0.00 $ 0.00
Feb 18, 2026 ROGERS MARK N Option Excercise 2777 46.74 $ 129,796.98
Feb 17, 2026 Rutten Guillaume Marie Jean Open Market Sale 10000 45.89 $ 458,900.00
Feb 17, 2026 Engel Kevin Open Market Sale 5316 46.03 $ 244,695.48
Feb 17, 2026 ROGERS MARK N Open Market Sale 5000 46.92 $ 234,600.00
Feb 16, 2026 Rutten Guillaume Marie Jean Option Excercise 13920 0.00 $ 0.00
Feb 16, 2026 Engel Kevin Option Excercise 1345 0.00 $ 0.00
Feb 16, 2026 Engel Kevin Option Excercise 559 47.48 $ 26,541.32
Feb 16, 2026 Faust Megan Option Excercise 4176 0.00 $ 0.00
Feb 16, 2026 Faust Megan Option Excercise 1912 47.48 $ 90,781.76
Feb 16, 2026 ROGERS MARK N Option Excercise 6856 5.40 $ 37,000.00
Feb 16, 2026 ROGERS MARK N Option Excercise 796 47.48 $ 37,794.08
Feb 16, 2026 Haghighi Farshad Option Excercise 1789 0.00 $ 0.00
Feb 16, 2026 Haghighi Farshad Option Excercise 816 47.48 $ 38,743.68
Feb 12, 2026 KIM JOHN T Open Market Sale 10000000 48.49 $ 484,900,000.00
Feb 12, 2026 915 Investments, LP Open Market Sale 10000000 48.49 $ 484,900,000.00
Jan 16, 2026 ROGERS MARK N Option Excercise 5000 7.40 $ 37,000.00
Jan 16, 2026 ROGERS MARK N Open Market Sale 5000 49.28 $ 246,400.00
Jan 15, 2026 Rutten Guillaume Marie Jean Open Market Sale 10000 53.14 $ 531,400.00
Dec 31, 2025 Rutten Guillaume Marie Jean Option Excercise 8692 0.00 $ 0.00
Dec 31, 2025 Engel Kevin Option Excercise 8692 0.00 $ 0.00
Dec 31, 2025 Engel Kevin Option Excercise 3725 39.48 $ 147,063.00
Dec 31, 2025 Faust Megan Option Excercise 8692 0.00 $ 0.00
Dec 31, 2025 Faust Megan Option Excercise 3725 39.48 $ 147,063.00
Dec 26, 2025 KIM JAMES J Other Aquisition 725000 0.00 $ 0.00
Dec 26, 2025 2023 Grantor Retained Annuity Trust of Susan Y. Kim Dated 9/15/2023 Other Disposition 725000 0.00 $ 0.00
Dec 26, 2025 KIM JOHN T Other Aquisition 725000 0.00 $ 0.00
Dec 26, 2025 KIM AGNES C Other Aquisition 725000 0.00 $ 0.00
Dec 26, 2025 KIM SUSAN Y Other Disposition 725000 0.00 $ 0.00
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 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 17, 2025 Rutten Guillaume Marie Jean Open Market Sale 10000 31.68 $ 316,800.00
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 Rutten Guillaume Marie Jean Option Excercise 8691 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
May 14, 2025 ALEXANDER DOUGLAS A Option Excercise 6017 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