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

List of insiders holdings for AMKOR TECHNOLOGY INC.:

Shares directly owned by the insider.
Shares indirectly owned by the insider.
Total shares owned by the insider (sum of shares directly and indirectly owned).
Total market value if available.
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 Name	Report Date Time	Shares Owned Directly Indirectly	Total Shares Owned	Filing
1	KIM JOHN T Member of 10% owner group (6) 10% Owner	2026-02-17 16:21:03	5,594,489 80,680,130	86,274,619	Form 4
2	KIM JAMES J Member of 10% owner group (4) 10% Owner	2026-02-17 16:15:02	75,339,103 0	75,339,103	Form 13D
3	KIM 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	2026-02-17 16:15:02	75,339,103 0	75,339,103	Form 13D
4	KIM SUSAN Y Member of 10% owner group (6) Director 10% Owner	2026-04-02 18:55:51	6,100,387 36,024,492	42,124,879	Form 4
5	915 Investments LP Member of 10% owner group (2)	2026-02-17 16:19:10	29,594,980 0	29,594,980	Form 4
6	Sujochil LP Exhibit 99.1 10% Owner	2017-01-17 14:54:47	19,484,809 0	19,484,809	Form 3
7	Kim Capital Partners - KCP LLC Member of 10% owner group (3)	2023-11-16 18:00:19	16,710,668 0	16,710,668	Form 3
8	Family Trust Under the John T. Kim 2012 Irrevocable Trust Agreement Dated 12/11/12 Exhibit 99.1	2019-02-14 18:51:15	15,657,364 0	15,657,364	Form 5
9	James J. Kim GRAT Remainder Trust UA Dated November 14 2008 Ex. 99.1	2011-01-05 10:23:09	6,189,831 6,189,831	12,379,662	Form 4
10	SUSAN Y KIM TRUST OF 12/31/87 Exhibit 99.1	2013-02-12 14:49:57	11,284,809 0	11,284,809	Form 5
11	KIM AGNES C Member of 10% owner group (3)	2025-12-30 16:39:36	0 10,737,355	10,737,355	Form 4
12	John T. Kim 2012 Irrevocable Trust Exhibit 99.1	2019-02-14 18:06:51	9,967,064 0	9,967,064	Form 5
13	JOHN T KIM TRUST OF 12/31/87 Exhibit 99.1	2018-02-14 12:45:15	8,933,223 0	8,933,223	Form 5
14	KIM DAVID D Member of 10% owner group (5)	2025-08-05 19:27:48	8,746 6,487,992	6,496,738	Form 4
15	Sujoda Management LLC Member of 10% owner group (4)	2025-08-05 19:20:48	0 3,789,479	3,789,479	Form 4
16	SUJODA Investments LP Member of 10% owner group (2)	2025-08-05 19:21:58	3,789,479 0	3,789,479	Form 4
17	James J. Kim 2013 Qualified Annuity Trust U/A Dated May 17 2013 Exhibit 99.1	2019-02-14 18:25:03	3,220,433 0	3,220,433	Form 5
18	Susan Y. Kim 2012 Irrevocable Trust Exhibit 99.1	2019-02-14 18:05:44	2,779,777 0	2,779,777	Form 5
19	Irrevocable 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 19:35:04	2,733,334 0	2,733,334	Form 4
20	Trust of Kim Susan Y dated 4/16/98 for the benefit of Alexandra Panichello See Exhibit 99.1	2021-11-10 13:17:04	2,733,333 0	2,733,333	Form 4
21	Irrevocable 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 19:48:34	2,733,333 0	2,733,333	Form 4
22	John T. Kim Generation-Skipping Trust Exhibit 99.1	2013-02-12 15:44:48	1,957,350 0	1,957,350	Form 5
23	James J. Kim 2008 Trust FBO Descendants of David D. Kim See Exhibit No. EX-99.1	2008-02-13 21:58:39	1,363,400 0	1,363,400	Form 3
24	BORUCH JOHN N President & COO	2005-12-27 20:42:56	1,332,735 0	1,332,735	Form 4
25	2024 Grantor Retained Annuity Trust of James J. Kim dtd. 8/5/2024 Member of 10% owner group (2)	2025-11-24 20:57:50	1,235,000 0	1,235,000	Form 4
26	John T. Kim 2024 GRAT #1 dtd. 08/09/2024 Member of 10% owner group	2025-11-06 18:27:40	1,194,000 0	1,194,000	Form 4
27	James & Agnes Kim Foundation Inc. See Exhibit No. EX-99.1	2009-06-10 19:07:41	1,150,000 0	1,150,000	Form 4
28	2024 Grantor Retained Annuity Trust of Susan Y. Kim dtd. 8/5/2024 Member of 10% owner group (2)	2025-11-24 20:58:16	1,124,000 0	1,124,000	Form 4
29	James J. Kim 2008 Trust FBO Descendants of John T. Kim See Exhibit 99.1	2020-12-21 15:43:15	1,093,574 0	1,093,574	Form 4
30	2024 Grantor Retained Annuity Trust of Agnes C. Kim dtd. 8/5/2024 Member of 10% owner group (2)	2025-11-24 20:57:57	895,000 0	895,000	Form 4
31	Rutten Guillaume Marie Jean Director	2026-04-02 18:59:26	561,732 0	561,732	Form 4
32	James J. Kim 2008 Trust FBO Dylan James Panichello & Descendants See Exhibit 99.1	2020-12-21 15:43:33	546,787 0	546,787	Form 4
33	James J. Kim 2008 Trust FBO Jacqueline Mary Panichello & Descendants See Exhibit 99.1	2020-12-21 15:41:04	546,787 0	546,787	Form 4
34	James J. Kim 2008 Trust FBO Alexandra Kim Panichello & Descendants See Exhibit 99.1	2020-12-21 15:32:00	546,787 0	546,787	Form 4
35	Kim 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 20:18:33	0 500,000	500,000	Form 3
36	Family Trust Under the John T. Kim 2018 Irrevocable Trust Agreement Dated 2/6/18 Member of 10% owner group (2)	2023-08-07 18:00:06	498,232 0	498,232	Form 3
37	John T. Kim 2007 Children's Trust UA Dated December 28 2007 See Exhibit 99.1	2011-02-11 12:13:47	315,000 0	315,000	Form 5
38	Kelley Stephen Douglas President and CEO	2020-05-28 10:33:38	136,200 150,000	286,200	Form 4
39	Nakaya Yoshifumi Executive Vice President	2016-02-17 16:43:05	200,000 0	200,000	Form 4
40	Susan Y. Kim 2012 Generation-Skipping Trust U/A Dated December 11 2012 Member of 10% owner group (2)	2022-01-24 20:45:37	0 164,678	164,678	Form 4
41	Susins LLC Member of 10% owner group (2)	2022-01-21 11:47:09	164,678 0	164,678	Form 4
42	JOYCE KENNETH T President & CEO	2012-11-07 15:53:17	162,190 0	162,190	Form 4
43	Park Yong Chul Executive Vice President	2019-02-20 12:49:38	150,130 0	150,130	Form 4
44	Park Young Kuk Executive Vice President	2019-05-17 20:00:26	150,000 0	150,000	Form 4
45	Faust Megan CFO	2026-04-02 18:53:44	142,830 0	142,830	Form 4
46	ROGERS MARK N EVP & General Counsel	2026-03-18 17:06:08	133,904 0	133,904	Form 4
47	Lamble Mike Executive Vice President	2012-11-02 17:38:06	65,963 14,189	80,152	Form 4
48	ZUG JAMES W Director	2017-05-04 17:37:58	69,243 0	69,243	Form 4
49	John T. Kim 2024 GRAT #2 dtd. 08/09/2024 Member of 10% owner group	2025-11-06 18:29:26	59,250 0	59,250	Form 4
50	OSBORNE JOHN Director	2017-05-04 17:54:28	57,816 0	57,816	Form 4
51	Solomon Joanne Executive VP & CFO	2016-08-02 14:12:49	57,040 0	57,040	Form 4
52	Fusaro James MacMillan Executive Vice President	2011-05-05 16:40:51	47,742 0	47,742	Form 4
53	FREYMAN BRUCE J President & COO	2004-08-04 16:30:26	45,338 0	45,338	Form 4
54	Kim Kyu-Hyun President, Amkor Tech. Korea	2008-02-20 18:06:51	40,000 0	40,000	Form 4
55	KHAYKIN OLEG Exec.VP & COO.	2006-02-13 20:44:08	35,000 0	35,000	Form 4
56	Stone John Charles Executive Vice President	2022-02-15 17:22:00	31,038 2,000	33,038	Form 4
57	ALEXANDER DOUGLAS A Director	2026-04-02 18:49:56	28,027 0	28,027	Form 4
58	KIM JOO HO Executive Vice President	2014-08-04 16:50:09	21,513 1000	22,513	Form 4
59	HUGO MARTINEZ ALBERT J Director	2005-08-26 17:24:44	20,000 0	20,000	Form 4
60	NEWBERRY STEPHEN G Director	2010-05-05 16:53:40	20,000 0	20,000	Form 4
61	Morse Robert Randolph Director	2026-04-02 18:58:31	18,789 0	18,789	Form 4
62	Carolin Roger Anthony Director	2026-04-02 18:51:00	18,789 0	18,789	Form 4
63	McCourt MaryFrances Director	2026-04-02 18:56:49	18,789 0	18,789	Form 4
64	Engel Kevin K. President and CEO	2026-04-02 18:52:50	16,612 0	16,612	Form 4
65	Lee Choon Heung Executive Vice President	2015-08-06 18:34:49	16,523 0	16,523	Form 4
66	Shin Sung Executive Vice President	2023-06-05 17:56:59	15,418 0	15,418	Form 4
67	Larson Eric R Executive Vice President	2010-02-05 19:46:02	14,000 0	14,000	Form 4
68	GEORGE THOMAS DALE Director	2004-08-30 16:15:17	10,000 0	10,000	Form 4
69	NEFF JOHN B Director	2004-08-30 16:18:31	10,000 0	10,000	Form 4
70	KNORR DR JUERGEN Director	2005-08-25 18:24:30	10,000 0	10,000	Form 4
71	HINCKLEY GREGORY K Director	2006-08-10 19:55:05	10,000 0	10,000	Form 4
72	PAPADAKIS CONSTANTINE Director	2008-12-16 10:57:30	10,000 0	10,000	Form 4
73	WATSON DAVID N Director	2026-04-02 19:01:12	9,893 0	9,893	Form 4
74	CHURCHILL WINSTON J Director	2026-04-02 18:52:02	9,893 0	9,893	Form 4
75	Liao Daniel JL Director	2026-04-02 18:54:36	9,893 0	9,893	Form 4
76	Tily Gil C. Director	2026-04-02 19:00:29	9,893 0	9,893	Form 4
77	LIU JOHN D Director	2025-09-25 16:33:26	9,855 0	9,855	Form 4
78	Haghighi Farshad Executive Vice President	2026-02-26 16:07:42	8,354 0	8,354	Form 4
79	Buntyn Cherie Chief Accounting Officer	2026-03-16 18:37:52	799 0	799	Form 4
80	Park Dong Hyun Director	2011-11-22 17:38:46	0 0	0	Form 4/A
81	DAVID D KIM TRUST OF 12/31/87 KIM DAVID D See Exhibit 99.1	2017-01-17 14:58:04	0 0	0	Form 4
82	Qualified 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 18:00:24	0 0	0	Form 4
83	Susan Y. Kim 2015 Irrevocable Trust U/A Dated March 16 2015 Exhibit 99.1	2021-02-16 08:42:44	0 0	0	Form 5
84	James J. Kim 2014 Qualified Annuity Trust Exhibit 99.1	2021-02-16 08:46:03	0 0	0	Form 5
85	Qualified 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 20:54:20	0 0	0	Form 4
86	Qualified 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 20:23:26	0 0	0	Form 4
87	Agnes C. Kim 2020-1 Qualified Annuity Trust Under Agreement Dated 12/16/20 Member of 10% owner group (4)	2023-12-27 16:30:13	0 0	0	Form 4
88	Qualified Annuity Trust under the John T. Kim 2018 Irrevocable Trust Agreement Dated 2/6/18 Member of 10% owner group (2)	2023-07-31 18:00:17	0 0	0	Form 4
89	2023 Grantor Retained Annuity Trust of Susan Y. Kim Dated 9/15/2023 Member of 10% owner group (2)	2025-12-30 16:40:11	0 0	0	Form 4
90	Qualified 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 18:00:17	0 0	0	Form 4
91	Qualified 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 18:00:16	0 0	0	Form 4
92	Blaney Liam E Member of 10% owner group (4)	2023-11-16 18:00:09	0 0	0	Form 4
93	Family Trust Under the Susan Y. Kim 2020-1 Irrevocable Trust Agreement Dated 04/01/2020 Member of 10% owner group (2)	2023-11-16 18:00:12	0 0	0	Form 4
94	Alexandra Investments LLC Member of 10% owner group (2)	2023-11-16 18:00:13	0 0	0	Form 4
95	Family Trust under the Susan Y. Kim 2018-1 Irrevocable Trust Agreement dtd. 8/29/18 Member of 10% owner group (2)	2023-11-16 18:00:34	0 0	0	Form 4
96	2023 Grantor Retained Annuity Trust of Agnes C. Kim Dated 4/26/2023 Member of 10% owner group (3)	2025-08-05 19:29:24	0 0	0	Form 4
97	Dylan Investments LLC Member of 10% owner group (2)	2023-11-16 18:00:38	0 0	0	Form 4
98	Jacqueline Investments LLC Member of 10% owner group (2)	2023-11-16 18:00:39	0 0	0	Form 4
99	Family Trust Under the Susan Y. Kim 2012 Irrevocable Trust Agreement Dated 7/26/12 Member of 10% owner group (2)	2023-11-16 18:00:45	0 0	0	Form 4
100	2023 Grantor Retained Annuity Trust of James J. Kim Dated 4/26/2023 Member of 10% owner group (3)	2025-08-05 19:18:02	0 0	0	Form 4
101	James J. Kim 2021 Qualified Annuity Trust U/A Dated 12/15/2021 Member of 10% owner group (3)	2025-01-22 17:01:24	0 0	0	Form 4