Amkor Technology, Inc. (AMKR) has 20 known insider and institutional holders on record. The largest holder is 915 Investments, LP with 39,594,980 shares. Other notable holders include Kim Capital Partners - KCP, LLC and KIM AGNES C.
Over the last 12 months, insiders have made 54 transactions in AMKR stock — 25 buys (valued at RSU Award) and 2 sells (valued at $1.01M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
AMKR Insider Ownership
Top Holder
915 Investments, LP
39,594,980 shares
Buys (12 mo)
25
$0.00 value
Sells (12 mo)
2
$1.01M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
915 Investments, Lp |
Officer |
39,594,980 |
2023-09-08 |
|
| 2 |
Kim Capital Partners - Kcp, Llc |
Officer |
16,710,668 |
2023-11-16 |
|
| 3 |
Kim Agnes C |
Other: Member of 10% Owner Group (3) |
10,020,870 |
2025-02-26 |
|
| 4 |
2023 Grantor Retained Annuity Trust Of James J. Kim Dated 4/26/2023 |
Other: Member of 10% Owner Group (2) |
3,587,004 |
2024-06-14 |
|
| 5 |
Sujoda Management, Llc |
Other: Member of 10% Owner Group (4) |
3,347,890 |
2025-02-26 |
|
| 6 |
Kim David D |
Other: Member of 10% Owner Group (5) |
3,347,890 |
2025-02-26 |
|
| 7 |
Kim John T |
10 Percent Owner, Other: Member of 10% Owner Group (5) |
3,347,890 |
2025-02-26 |
|
| 8 |
Sujoda Investments, Lp |
Other: Member of 10% Owner Group (2) |
3,347,890 |
2025-02-26 |
|
| 9 |
Dylan Investments, Llc |
Officer |
2,733,334 |
2022-01-21 |
|
| 10 |
Jacqueline Investments, Llc |
Officer |
2,733,333 |
2022-01-20 |
|
| 11 |
Alexandra Investments, Llc |
Officer |
2,733,333 |
2022-01-20 |
|
| 12 |
2023 Grantor Retained Annuity Trust Of Agnes C. Kim Dated 4/26/2023 |
Other: Member of 10% Owner Group (2) |
2,298,001 |
2024-06-14 |
|
| 13 |
2024 Grantor Retained Annuity Trust Of James J. Kim Dtd. 8/5/2024 |
Other: Member of 10% Owner Group (2) |
2,200,000 |
2024-08-15 |
|
| 14 |
Qualified Annuity Trust Under The James J. Kim 2019-1 Qualified Annuity Trust Agreement Dtd September10,2019 |
Director |
2,103,760 |
2022-12-19 |
|
| 15 |
John T. Kim 2024 Grat #1 Dtd. 08/09/2024 |
Other: Member of 10% Owner Group |
2,000,000 |
2024-08-16 |
|
| 16 |
2024 Grantor Retained Annuity Trust Of Susan Y. Kim Dtd. 8/5/2024 |
Other: Member of 10% Owner Group (2) |
2,000,000 |
2024-08-15 |
|
| 17 |
Family Trust Under The Susan Y. Kim 2020-1 Irrevocable Trust Agreement Dated 04/01/2020 |
Officer |
1,958,355 |
2023-09-22 |
|
| 18 |
Qualified Annuity Trust Under The Susan Y. Kim 2020-1 Irrevocable Trust Agreement Dated 04/01/2020 |
Officer |
1,958,355 |
2023-06-21 |
|
| 19 |
Agnes C. Kim 2020-1 Qualified Annuity Trust Under Agreement Dated 12/16/20 |
Officer |
1,945,840 |
2023-12-27 |
|
| 20 |
2024 Grantor Retained Annuity Trust Of Agnes C. Kim Dtd. 8/5/2024 |
Other: Member of 10% Owner Group (2) |
1,600,000 |
2024-08-15 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-31 |
Engel Kevin K. |
President and CEO |
Tax Withholding of RSU |
3,725 |
$45.03 |
$167.74K |
| 2026-03-31 |
Liao Daniel Jl |
Director |
RSU Award |
18 |
- |
- |
| 2026-03-31 |
Mccourt Maryfrances |
Director |
RSU Award |
16 |
- |
- |
| 2026-03-31 |
Faust Megan |
CFO |
Option Exercise (Sell) |
8,692 |
- |
- |
| 2026-04-01 |
Rutten Guillaume Marie Jean |
Director |
RSU Award |
482 |
- |
- |
| 2026-03-31 |
Rutten Guillaume Marie Jean |
Director |
Option Exercise (Sell) |
8,692 |
- |
- |
| 2026-03-31 |
Morse Robert Randolph |
Director |
RSU Award |
16 |
- |
- |
| 2026-03-31 |
Tily Gil C. |
Director |
RSU Award |
18 |
- |
- |
| 2026-03-31 |
Carolin Roger Anthony |
Director |
RSU Award |
16 |
- |
- |
| 2026-03-31 |
Watson David N |
Director |
RSU Award |
18 |
- |
- |
| 2026-03-31 |
Alexander Douglas A |
Director |
RSU Award |
16 |
- |
- |
| 2026-03-31 |
Kim Susan Y |
10 Percent Owner, Other: Member of 10% Owner Group (6) |
RSU Award |
18 |
- |
- |
| 2026-03-31 |
Churchill Winston J |
Director |
RSU Award |
18 |
- |
- |
| 2026-03-16 |
Rogers Mark N |
EVP & General Counsel |
Informative Sell |
5,000 |
$44.54 |
$222.7K |
| 2026-03-12 |
Buntyn Cherie |
Chief Accounting Officer |
RSU Award |
799 |
- |
- |
| 2026-02-02 |
Buntyn Cherie |
Chief Accounting Officer |
Unknown |
- |
- |
- |
| 2026-02-24 |
Engel Kevin K. |
President and CEO |
Option Exercise (Sell) |
910 |
- |
- |
| 2026-02-25 |
Haghighi Farshad |
Executive Vice President |
Informative Sell |
15,624 |
$50.50 |
$789.01K |
| 2026-02-24 |
Haghighi Farshad |
Executive Vice President |
Option Exercise (Sell) |
1,814 |
- |
- |
| 2026-02-24 |
Faust Megan |
CFO |
Option Exercise (Sell) |
3,493 |
- |
- |
| 2026-02-24 |
Rutten Guillaume Marie Jean |
Director |
Option Exercise (Sell) |
10,748 |
- |
- |
| 2026-02-25 |
Watson David N |
Director |
Option Exercise (Sell) |
20,000 |
$5.66 |
$113.2K |
| 2026-02-24 |
Rogers Mark N |
EVP & General Counsel |
Option Exercise (Sell) |
1,880 |
- |
- |
| 2026-02-20 |
Engel Kevin K. |
President and CEO |
Option Exercise (Sell) |
6,359 |
- |
- |
| 2026-02-20 |
Haghighi Farshad |
Executive Vice President |
Option Exercise (Sell) |
7,153 |
- |
- |
