Susan Y. Kim

Insider Reports History

Reporting-owner location: Paoli, PA
Latest reporting-owner signature: /s/ Mark N. Rogers, Attorney-in-Fact for Susan Y. Kim
Source: Latest parsed Forms 3/4/5 signature
Transaction source note: Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Susan Y. Kim

Form 4 holding Director, Member of 10% owner group (5), 10%+ Owner

AMKOR TECHNOLOGY, INC.

Security class: Common Stock
Shares / value: 19,484,809
Estimated value: $1,680,175,080
Report date: 22 Sep 2026
Price: $86.23
Ownership: By Sujochil, LP

Form 4 holding Director, Member of 10% owner group (5), 10%+ Owner

AMKOR TECHNOLOGY, INC.

Security class: Common Stock
Shares / value: 6,120,387
Estimated value: $527,760,971
Report date: 22 Sep 2026
Price: $86.23
Ownership: Direct

Form 4 holding Director, Member of 10% owner group (5), 10%+ Owner

AMKOR TECHNOLOGY, INC.

Security class: Common Stock
Shares / value: 3,789,479
Estimated value: $326,766,774
Report date: 22 Sep 2026
Price: $86.23
Ownership: By Sujoda Investments, LP

Form 4 holding Director, Member of 10% owner group (5), 10%+ Owner

AMKOR TECHNOLOGY, INC.

Security class: Common Stock
Shares / value: 3,713,610
Estimated value: $320,224,590
Report date: 22 Sep 2026
Price: $86.23
Ownership: By trusts (excl. GRATs)

Form 4 holding Director, Member of 10% owner group (5), 10%+ Owner

AMKOR TECHNOLOGY, INC.

Security class: Common Stock
Shares / value: 3,244,594
Estimated value: $279,781,340
Report date: 22 Sep 2026
Price: $86.23
Ownership: 2025 Grantor Retained Annuity Trust No. 1 of James J. Kim

Form 4 holding Director, Member of 10% owner group (5), 10%+ Owner

AMKOR TECHNOLOGY, INC.

Security class: Common Stock
Shares / value: 2,538,000
Estimated value: $218,851,740
Report date: 22 Sep 2026
Price: $86.23
Ownership: 2025 Grantor Retained Annuity Trust No. 1 of Agnes C. Kim

Form 4 holding Director, Member of 10% owner group (5), 10%+ Owner

AMKOR TECHNOLOGY, INC.

Security class: Common Stock
Shares / value: 1,235,000
Estimated value: $106,494,050
Report date: 22 Sep 2026
Price: $86.23
Ownership: By James J. Kim 2024 GRAT dtd. 8/5/24

Form 4 holding Director, Member of 10% owner group (5), 10%+ Owner

AMKOR TECHNOLOGY, INC.

Security class: Common Stock
Shares / value: 1,124,000
Estimated value: $96,922,520
Report date: 22 Sep 2026
Price: $86.23
Ownership: By own GRATs

Form 4 holding Director, Member of 10% owner group (5), 10%+ Owner

AMKOR TECHNOLOGY, INC.

Security class: Common Stock
Shares / value: 895,000
Estimated value: $77,175,850
Report date: 22 Sep 2026
Price: $86.23
Ownership: By Agnes C. Kim 2024 GRAT dtd. 8/5/24

Form 4 holding Director, Member of 10% owner group (5), 10%+ Owner

AMKOR TECHNOLOGY, INC.

Security class: Restricted Stock Units
Shares / value: 2,620
Estimated value: $40,976
Report date: 22 Sep 2026
Price: $6.81
Ownership: Direct
Underlying class: Common Stock
Underlying amount

Form 4 holding Director, Member of 10% owner group (5), 10%+ Owner

AMKOR TECHNOLOGY, INC.

Security class: Common Stock
Shares / value: 0
Estimated value: $0
Report date: 31 Mar 2026
Price: $39.48
Ownership: By Kim Capital Partners - KCP, LLC

Form 4 holding Director, Member of 10% owner group (5), 10%+ Owner

AMKOR TECHNOLOGY, INC.

Security class: Director stock option (right to buy)
Shares / value: 0
Estimated value
Report date: 07 Apr 2026
Price
Ownership: Direct
Underlying class: Common Stock
Underlying amount

Insider Reports Filed by Susan Y. Kim

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 22 Sep 2026
Transactions: 1
Transaction value: $0
Accepted by SEC: 24 Sep 2026, 16:45
Role: Director, Member of 10% owner group (5), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 23 Jun 2026
Transactions: 1
Transaction value: $0
Accepted by SEC: 25 Jun 2026, 16:50
Role: Director, Member of 10% owner group (5), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 12 Jun 2026
Transactions: 1
Transaction value: $0
Accepted by SEC: 12 Jun 2026, 16:36
Role: Director, Member of 10% owner group (5), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 13 May 2026
Transactions: 2
Transaction value: $0
Accepted by SEC: 15 May 2026, 16:44
Role: Director, Member of 10% owner group (6), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 07 Apr 2026
Transactions: 2
Transaction value: $0
Accepted by SEC: 09 Apr 2026, 17:04
Role: Director, Member of 10% owner group (5), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 31 Mar 2026
Transactions: 1
Transaction value: $0
Accepted by SEC: 02 Apr 2026, 18:55
Role: Director, Member of 10% owner group (6), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 26 Dec 2025
Transactions: 1
Transaction value: $0
Accepted by SEC: 30 Dec 2025, 16:39
Role: Director, Member of 10% owner group (6), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 19 Dec 2025
Transactions: 3
Transaction value: $0
Accepted by SEC: 23 Dec 2025, 19:01
Role: Director, Member of 10% owner group (8), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 04 Dec 2025
Transactions: 2
Transaction value: $0
Accepted by SEC: 08 Dec 2025, 17:52
Role: Director, Member of 10% owner group (6), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 20 Nov 2025
Transactions: 5
Transaction value: $0
Accepted by SEC: 24 Nov 2025, 20:58
Role: Director, Member of 10% owner group (10), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 23 Sep 2025
Transactions: 1
Transaction value: $0
Accepted by SEC: 25 Sep 2025, 16:46
Role: Director, Member of 10% owner group (10), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 01 Aug 2025
Transactions: 7
Transaction value: +$9,648,720
Accepted by SEC: 05 Aug 2025, 19:09
Role: Director, Member of 10% owner group (10), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 30 Jul 2025
Transactions: 2
Transaction value: $0
Accepted by SEC: 01 Aug 2025, 16:42
Role: Director, Member of 10% owner group (6), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 25 Jun 2025
Transactions: 1
Transaction value: $0
Accepted by SEC: 27 Jun 2025, 17:47
Role: Director, Member of 10% owner group (6), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 14 May 2025
Transactions: 3
Transaction value: $0
Accepted by SEC: 16 May 2025, 16:31
Role: Director, Member of 10% owner group (7), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 02 Apr 2025
Transactions: 1
Transaction value: $0
Accepted by SEC: 04 Apr 2025, 16:28
Role: Director, Member of 10% owner group (6), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 24 Feb 2025
Transactions: 1
Transaction value: +$18,999,995
Accepted by SEC: 26 Feb 2025, 17:16
Role: Director, Member of 10% owner group (6), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 17 Jan 2025
Transactions: 2
Transaction value: $0
Accepted by SEC: 22 Jan 2025, 17:03
Role: Director, Member of 10% owner group (7), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 07 Jan 2025
Transactions: 1
Transaction value: $0
Accepted by SEC: 10 Jan 2025, 17:21
Role: Director, Member of 10% owner group (6), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 23 Dec 2024
Transactions: 3
Transaction value: $0
Accepted by SEC: 26 Dec 2024, 13:07
Role: Director, Member of 10% owner group (7), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 21 Nov 2024
Transactions: 4
Transaction value: +$180,800
Accepted by SEC: 22 Nov 2024, 16:33
Role: Director, Member of 10% owner group (7), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 23 Sep 2024
Transactions: 1
Transaction value: $0
Accepted by SEC: 25 Sep 2024, 17:33
Role: Director, Member of 10% owner group (7), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 08 Aug 2024
Transactions: 2
Transaction value: $0
Accepted by SEC: 12 Aug 2024, 17:24
Role: Director, Member of 10% owner group (8), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 24 Jun 2024
Transactions: 1
Transaction value: $0
Accepted by SEC: 26 Jun 2024, 17:38
Role: Director, Member of 10% owner group (6), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 12 Jun 2024
Transactions: 2
Transaction value: $0
Accepted by SEC: 14 Jun 2024, 18:08
Role: Director, Member of 10% owner group (7), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 14 May 2024
Transactions: 3
Transaction value: $0
Accepted by SEC: 16 May 2024, 19:06
Role: Director, Member of 10% owner group (7), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 01 Apr 2024
Transactions: 1
Transaction value: $0
Accepted by SEC: 03 Apr 2024, 18:05
Role: Director, Member of 10% owner group (5), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 22 Dec 2023
Transactions: 5
Transaction value: $0
Accepted by SEC: 27 Dec 2023, 16:30
Role: Director, Member of 10% owner group (9), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 19 Dec 2023
Transactions: 1
Transaction value: $0
Accepted by SEC: 21 Dec 2023, 17:11
Role: Director, Member of 10% owner group (11), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 25 Sep 2023
Transactions: 1
Transaction value: $0
Accepted by SEC: 27 Sep 2023, 17:06
Role: Director, Member of 10% owner group (8), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 27 Jul 2023
Transactions: 2
Transaction value: $0
Accepted by SEC: 31 Jul 2023, 18:00
Role: Director, Member of 10% owner group (6), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 25 Jul 2023
Transactions: 3
Transaction value: $0
Accepted by SEC: 27 Jul 2023, 18:00
Role: Director, Member of 10% owner group (7), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 26 Jun 2023
Transactions: 2
Transaction value: $0
Accepted by SEC: 28 Jun 2023, 20:25
Role: Director, Member of 10% owner group (9), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 16 May 2023
Transactions: 3
Transaction value: $0
Accepted by SEC: 18 May 2023, 20:07
Role: Director, Member of 10% owner group (7), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 01 May 2023
Transactions: 2
Transaction value: $0
Accepted by SEC: 03 May 2023, 18:00
Role: Director, Member of 10% owner group (7), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 20 Mar 2023
Transactions: 1
Transaction value: $0
Accepted by SEC: 22 Mar 2023, 18:39
Role: Director, Member of 10% owner group (2), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 22 Feb 2023
Transactions: 5
Transaction value: -$48,537,600
Accepted by SEC: 24 Feb 2023, 18:11
Role: Director, Member of 10% owner group (10), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 09 Feb 2023
Transactions: 2
Transaction value: $0
Accepted by SEC: 16 Feb 2023, 11:54
Role: Director, Member of 10% owner group (7), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 27 Dec 2022
Transactions: 1
Transaction value: $0
Accepted by SEC: 29 Dec 2022, 16:27
Role: Director, Member of 10% owner group (2), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 01 Dec 2022
Transactions: 4
Transaction value: $0
Accepted by SEC: 19 Dec 2022, 14:43
Role: Director, Member of 10% owner group (9), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 26 Sep 2022
Transactions: 1
Transaction value: $0
Accepted by SEC: 28 Sep 2022, 17:07
Role: Director, Member of 10% owner group (2), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 07 Sep 2022
Transactions: 1
Transaction value: $0
Accepted by SEC: 19 Sep 2022, 16:58
Role: Director, Member of 10% owner group (5), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 23 Jun 2022
Transactions: 2
Transaction value: $0
Accepted by SEC: 29 Jun 2022, 19:53
Role: Director, Member of 10% owner group (6), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 17 May 2022
Transactions: 1
Transaction value: $0
Accepted by SEC: 19 May 2022, 17:21
Role: Director, Member of 10% owner group (5), 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 04 Apr 2022
Transactions: 1
Transaction value: $0
Accepted by SEC: 20 Apr 2022, 19:23
Role: Director, Member of 10% owner group (5), 10%+ Owner
Next action: Open filing details

4/A AMKR

AMKOR TECHNOLOGY, INC.

Report period: 30 Dec 2021
Transactions: 0
Transaction value: $0
Accepted by SEC: 20 Apr 2022, 18:24
Role: Director, Member of 10% owner group, 10%+ Owner
Next action: Open filing details

4/A AMKR

AMKOR TECHNOLOGY, INC.

Report period: 01 Jul 2021
Transactions: 0
Transaction value: $0
Accepted by SEC: 21 Apr 2022, 11:35
Role: Director, Member of 10% owner group, 10%+ Owner
Next action: Open filing details

4 AMKR

AMKOR TECHNOLOGY, INC.

Report period: 18 May 2021
Transactions: 2
Transaction value: $0
Accepted by SEC: 19 May 2021, 17:20
Role: Director, Exhibit 99.1, 10%+ Owner
Next action: Open filing details

Insider Reports History

Continue from this owner filing history

Reported holdings for Susan Y. Kim

Insider Reports Filed by Susan Y. Kim