AMKOR TECHNOLOGY INC. (AMKR) - Insider Holders & Insider Ownership

List of insiders holdings for AMKOR TECHNOLOGY INC.:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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#Insider Holder NameReport
Date Time		Shares Owned
Directly
Indirectly		Total
Shares Owned		Filing
1KIM JOHN T
Member of 10% owner group (6)
10% Owner		2026-02-17 16:21:035,594,489
80,680,130		86,274,619Form 4
2KIM JAMES J
KIM SUSAN Y
KIM DAVID D
KIM JOHN T
Trust U/D of James J Kim dated 12-24-92 f/b/o Alexandra Kim Panichello
Trust U/D of James J Kim dated 10-3-94 f/b/o Jacqueline Mary Panichello
Trust U/D of James J Kim dated 11-17-03 f/b/o Jason Lee Kim
Trust U/D of James J Kim dated 10/15/01 f/b/o Allyson Lee Kim
Trust U/D of James J Kim dated 10-15-01 f/b/o Dylan James Panichello
Trust U/D of James J Kim dated 11-11-2005 f/b/o Children of David D Kim
See Exhibit Nos. 99.1 and 99.2
10% Owner		2026-05-05 16:05:0475,339,103
0		75,339,103Form 13D
3KIM JAMES J
Member of 10% owner group (4)
10% Owner		2026-05-05 16:05:0475,339,103
0		75,339,103Form 13D
4KIM SUSAN Y
Member of 10% owner group (5)
Director
10% Owner		2026-06-12 16:36:076,120,387
36,024,492		42,144,879Form 4
5915 Investments LP
Member of 10% owner group (2)		2026-02-17 16:19:1029,594,980
0		29,594,980Form 4
6Sujochil LP
Exhibit 99.1
10% Owner		2017-01-17 14:54:4719,484,809
0		19,484,809Form 3
7Kim Capital Partners - KCP LLC
Member of 10% owner group (3)		2023-11-16 18:00:1916,710,668
0		16,710,668Form 3
8Family Trust Under the John T. Kim 2012 Irrevocable Trust Agreement Dated 12/11/12
Exhibit 99.1		2019-02-14 18:51:1515,657,364
0		15,657,364Form 5
9James J. Kim GRAT Remainder Trust UA Dated November 14 2008
Ex. 99.1		2011-01-05 10:23:096,189,831
6,189,831		12,379,662Form 4
10SUSAN Y KIM TRUST OF 12/31/87
Exhibit 99.1		2013-02-12 14:49:5711,284,809
0		11,284,809Form 5
11KIM AGNES C
Member of 10% owner group (3)		2025-12-30 16:39:360
10,737,355		10,737,355Form 4
12John T. Kim 2012 Irrevocable Trust
Exhibit 99.1		2019-02-14 18:06:519,967,064
0		9,967,064Form 5
13JOHN T KIM TRUST OF 12/31/87
Exhibit 99.1		2018-02-14 12:45:158,933,223
0		8,933,223Form 5
14KIM DAVID D
Member of 10% owner group (5)		2025-08-05 19:27:488,746
6,487,992		6,496,738Form 4
15SUJODA Investments LP
Member of 10% owner group (2)		2025-08-05 19:21:583,789,479
0		3,789,479Form 4
16Sujoda Management LLC
Member of 10% owner group (4)		2025-08-05 19:20:480
3,789,479		3,789,479Form 4
17James J. Kim 2013 Qualified Annuity Trust U/A Dated May 17 2013
Exhibit 99.1		2019-02-14 18:25:033,220,433
0		3,220,433Form 5
18Susan Y. Kim 2012 Irrevocable Trust
Exhibit 99.1		2019-02-14 18:05:442,779,777
0		2,779,777Form 5
19Irrevocable Deed of Trust of Susan Y. Kim dated 4/16/98 For the Benefit of Dylan James Panichello
See Exhibit 99.1		2021-09-21 19:35:042,733,334
0		2,733,334Form 4
20Irrevocable Deed of Trust of Susan Y. Kim dated 4/16/98 For the Benefit of Jacqueline Mary Panichello
See Exhibit 99.1		2021-09-21 19:48:342,733,333
0		2,733,333Form 4
21Trust of Kim Susan Y dated 4/16/98 for the benefit of Alexandra Panichello
See Exhibit 99.1		2021-11-10 13:17:042,733,333
0		2,733,333Form 4
22John T. Kim Generation-Skipping Trust
Exhibit 99.1		2013-02-12 15:44:481,957,350
0		1,957,350Form 5
23James J. Kim 2008 Trust FBO Descendants of David D. Kim
See Exhibit No. EX-99.1		2008-02-13 21:58:391,363,400
0		1,363,400Form 3
24BORUCH JOHN N
President & COO		2005-12-27 20:42:561,332,735
0		1,332,735Form 4
252024 Grantor Retained Annuity Trust of James J. Kim dtd. 8/5/2024
Member of 10% owner group (2)		2025-11-24 20:57:501,235,000
0		1,235,000Form 4
26John T. Kim 2024 GRAT #1 dtd. 08/09/2024
Member of 10% owner group		2025-11-06 18:27:401,194,000
0		1,194,000Form 4
27James & Agnes Kim Foundation Inc.
See Exhibit No. EX-99.1		2009-06-10 19:07:411,150,000
0		1,150,000Form 4
282024 Grantor Retained Annuity Trust of Susan Y. Kim dtd. 8/5/2024
Member of 10% owner group (2)		2025-11-24 20:58:161,124,000
0		1,124,000Form 4
29James J. Kim 2008 Trust FBO Descendants of John T. Kim
See Exhibit 99.1		2020-12-21 15:43:151,093,574
0		1,093,574Form 4
302024 Grantor Retained Annuity Trust of Agnes C. Kim dtd. 8/5/2024
Member of 10% owner group (2)		2025-11-24 20:57:57895,000
0		895,000Form 4
31James J. Kim 2008 Trust FBO Alexandra Kim Panichello & Descendants
See Exhibit 99.1		2020-12-21 15:32:00546,787
0		546,787Form 4
32James J. Kim 2008 Trust FBO Jacqueline Mary Panichello & Descendants
See Exhibit 99.1		2020-12-21 15:41:04546,787
0		546,787Form 4
33James J. Kim 2008 Trust FBO Dylan James Panichello & Descendants
See Exhibit 99.1		2020-12-21 15:43:33546,787
0		546,787Form 4
34Rutten Guillaume Marie Jean
Director		2026-05-15 16:37:56505,653
0		505,653Form 4
35Kim John T. Trust dated 10/27/04 for the benefit of his children
KIM SUSAN Y
KIM JOHN T
See Exhibit No. EX-99.1
10% Owner		2004-11-08 20:18:330
500,000		500,000Form 3
36Family Trust Under the John T. Kim 2018 Irrevocable Trust Agreement Dated 2/6/18
Member of 10% owner group (2)		2023-08-07 18:00:06498,232
0		498,232Form 3
37John T. Kim 2007 Children's Trust UA Dated December 28 2007
See Exhibit 99.1		2011-02-11 12:13:47315,000
0		315,000Form 5
38Kelley Stephen Douglas
President and CEO		2020-05-28 10:33:38136,200
150,000		286,200Form 4
39Nakaya Yoshifumi
Executive Vice President		2016-02-17 16:43:05200,000
0		200,000Form 4
40Susan Y. Kim 2012 Generation-Skipping Trust U/A Dated December 11 2012
Member of 10% owner group (2)		2022-01-24 20:45:370
164,678		164,678Form 4
41Susins LLC
Member of 10% owner group (2)		2022-01-21 11:47:09164,678
0		164,678Form 4
42JOYCE KENNETH T
President & CEO		2012-11-07 15:53:17162,190
0		162,190Form 4
43Park Yong Chul
Executive Vice President		2019-02-20 12:49:38150,130
0		150,130Form 4
44Park Young Kuk
Executive Vice President		2019-05-17 20:00:26150,000
0		150,000Form 4
45WATSON DAVID N
Director		2026-05-15 16:35:37133,263
0		133,263Form 4
46Faust Megan
CFO		2026-06-11 16:38:21132,138
0		132,138Form 4
47ROGERS MARK N
EVP & General Counsel		2026-05-20 16:36:32123,904
0		123,904Form 4
48Tily Gil C.
Director		2026-05-15 16:37:02121,312
0		121,312Form 4
49Lamble Mike
Executive Vice President		2012-11-02 17:38:0665,963
14,189		80,152Form 4
50ZUG JAMES W
Director		2017-05-04 17:37:5869,243
0		69,243Form 4
51McCourt MaryFrances
Director		2026-05-15 16:41:3168,424
0		68,424Form 4
52John T. Kim 2024 GRAT #2 dtd. 08/09/2024
Member of 10% owner group		2025-11-06 18:29:2659,250
0		59,250Form 4
53OSBORNE JOHN
Director		2017-05-04 17:54:2857,816
0		57,816Form 4
54Solomon Joanne
Executive VP & CFO		2016-08-02 14:12:4957,040
0		57,040Form 4
55Fusaro James MacMillan
Executive Vice President		2011-05-05 16:40:5147,742
0		47,742Form 4
56FREYMAN BRUCE J
President & COO		2004-08-04 16:30:2645,338
0		45,338Form 4
57Kim Kyu-Hyun
President, Amkor Tech. Korea		2008-02-20 18:06:5140,000
0		40,000Form 4
58CHURCHILL WINSTON J
Director		2026-06-16 16:35:5038,781
0		38,781Form 4
59KHAYKIN OLEG
Exec.VP & COO.		2006-02-13 20:44:0835,000
0		35,000Form 4
60Stone John Charles
Executive Vice President		2022-02-15 17:22:0031,038
2,000		33,038Form 4
61KIM JOO HO
Executive Vice President		2014-08-04 16:50:0921,513
1000		22,513Form 4
62NEWBERRY STEPHEN G
Director		2010-05-05 16:53:4020,000
0		20,000Form 4
63HUGO MARTINEZ ALBERT J
Director		2005-08-26 17:24:4420,000
0		20,000Form 4
64Engel Kevin K.
President and CEO		2026-04-02 18:52:5016,612
0		16,612Form 4
65Lee Choon Heung
Executive Vice President		2015-08-06 18:34:4916,523
0		16,523Form 4
66Shin Sung
Executive Vice President		2023-06-05 17:56:5915,418
0		15,418Form 4
67Larson Eric R
Executive Vice President		2010-02-05 19:46:0214,000
0		14,000Form 4
68HINCKLEY GREGORY K
Director		2006-08-10 19:55:0510,000
0		10,000Form 4
69PAPADAKIS CONSTANTINE
Director		2008-12-16 10:57:3010,000
0		10,000Form 4
70KNORR DR JUERGEN
Director		2005-08-25 18:24:3010,000
0		10,000Form 4
71NEFF JOHN B
Director		2004-08-30 16:18:3110,000
0		10,000Form 4
72GEORGE THOMAS DALE
Director		2004-08-30 16:15:1710,000
0		10,000Form 4
73LIU JOHN D
Director		2025-09-25 16:33:269,855
0		9,855Form 4
74Haghighi Farshad
Executive Vice President		2026-02-26 16:07:428,354
0		8,354Form 4
75Liao Daniel JL
Director		2026-05-15 16:39:462,613
0		2,613Form 4
76Morse Robert Randolph
Director		2026-05-15 16:40:412,613
0		2,613Form 4
77ALEXANDER DOUGLAS A
Director		2026-05-15 16:42:252,613
0		2,613Form 4
78Carolin Roger Anthony
Director		2026-05-15 16:43:422,613
0		2,613Form 4
79Buntyn Cherie
Chief Accounting Officer		2026-03-16 18:37:52799
0		799Form 4
80Susan Y. Kim 2015 Irrevocable Trust U/A Dated March 16 2015
Exhibit 99.1		2021-02-16 08:42:440
0		0Form 5
81Park Dong Hyun
Director		2011-11-22 17:38:460
0		0Form 4/A
822023 Grantor Retained Annuity Trust of Susan Y. Kim Dated 9/15/2023
Member of 10% owner group (2)		2025-12-30 16:40:110
0		0Form 4
83Agnes C. Kim 2020-1 Qualified Annuity Trust Under Agreement Dated 12/16/20
Member of 10% owner group (4)		2023-12-27 16:30:130
0		0Form 4
84Qualified Annuity Trust under the Susan Y. Kim 2018-1 Irrevocable Trust Agreement dtd August 29 2018
Member of 10% owner group (2)		2023-10-23 18:00:160
0		0Form 4
85Blaney Liam E
Member of 10% owner group (4)		2023-11-16 18:00:090
0		0Form 4
86Family Trust Under the Susan Y. Kim 2020-1 Irrevocable Trust Agreement Dated 04/01/2020
Member of 10% owner group (2)		2023-11-16 18:00:120
0		0Form 4
87Alexandra Investments LLC
Member of 10% owner group (2)		2023-11-16 18:00:130
0		0Form 4
88Qualified Annuity Trust under the John T. Kim 2018 Irrevocable Trust Agreement Dated 2/6/18
Member of 10% owner group (2)		2023-07-31 18:00:170
0		0Form 4
89Family Trust under the Susan Y. Kim 2018-1 Irrevocable Trust Agreement dtd. 8/29/18
Member of 10% owner group (2)		2023-11-16 18:00:340
0		0Form 4
90Dylan Investments LLC
Member of 10% owner group (2)		2023-11-16 18:00:380
0		0Form 4
91Jacqueline Investments LLC
Member of 10% owner group (2)		2023-11-16 18:00:390
0		0Form 4
92Family Trust Under the Susan Y. Kim 2012 Irrevocable Trust Agreement Dated 7/26/12
Member of 10% owner group (2)		2023-11-16 18:00:450
0		0Form 4
93DAVID D KIM TRUST OF 12/31/87
KIM DAVID D
See Exhibit 99.1		2017-01-17 14:58:040
0		0Form 4
94James J. Kim 2021 Qualified Annuity Trust U/A Dated 12/15/2021
Member of 10% owner group (3)		2025-01-22 17:01:240
0		0Form 4
952023 Grantor Retained Annuity Trust of James J. Kim Dated 4/26/2023
Member of 10% owner group (3)		2025-08-05 19:18:020
0		0Form 4
96Qualified Annuity Trust under the James J. Kim 2020-1 Annuity Trust Agreement dated 04/01/2020
Member of 10% owner group (3)		2023-07-27 18:00:240
0		0Form 4
97Qualified Annuity Trust under the James J. Kim 2019-1 Qualified Annuity Trust Agreement dtd September10 2019
Member of 10% owner group (4)		2022-12-19 20:23:260
0		0Form 4
982023 Grantor Retained Annuity Trust of Agnes C. Kim Dated 4/26/2023
Member of 10% owner group (3)		2025-08-05 19:29:240
0		0Form 4
99Qualified Annuity Trust under the James J. Kim 2018-1 Qualified Annuity Trust Agreement dtd 8/30/18
Member of 10% owner group (4)		2022-01-20 20:54:200
0		0Form 4
100James J. Kim 2014 Qualified Annuity Trust
Exhibit 99.1		2021-02-16 08:46:030
0		0Form 5
101Qualified Annuity Trust under the Susan Y. Kim 2020-1 Irrevocable Trust Agreement dated 04/01/2020
Member of 10% owner group (2)		2023-09-18 18:00:170
0		0Form 4