Insider Transactions in Q4 2025 at Amkor Technology, Inc. (AMKR)
Insider Transaction List (Q4 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 31
2025
|
Kevin Engel Executive Vice President |
SELL
Payment of exercise price or tax liability
|
Direct |
3,725
-41.2%
|
$145,275
$39.48 P/Share
|
|
Dec 31
2025
|
Kevin Engel Executive Vice President |
BUY
Exercise of conversion of derivative security
|
Direct |
8,692
+49.02%
|
-
|
|
Dec 31
2025
|
Guillaume Marie Jean Rutten President and CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
8,692
+2.45%
|
-
|
|
Dec 31
2025
|
Megan Faust CFO |
SELL
Payment of exercise price or tax liability
|
Direct |
3,725
-3.7%
|
$145,275
$39.48 P/Share
|
|
Dec 31
2025
|
Megan Faust CFO |
BUY
Exercise of conversion of derivative security
|
Direct |
8,692
+7.94%
|
-
|
|
Dec 26
2025
|
Susan Y Kim Director |
SELL
Bona fide gift
|
Indirect |
725,000
-39.21%
|
-
|
|
Dec 26
2025
|
John T Kim > 10% Shareholder |
BUY
Bona fide gift
|
Indirect |
725,000
+6.86%
|
-
|
|
Dec 26
2025
|
2023 Grantor Retained Annuity Trust Of Susan Y. Kim Dated 9/15/2023 |
SELL
Bona fide gift
|
Direct |
725,000
-100.0%
|
-
|
|
Dec 26
2025
|
James J Kim > 10% Shareholder |
BUY
Bona fide gift
|
Indirect |
725,000
+50.0%
|
-
|
|
Dec 26
2025
|
Agnes C Kim |
BUY
Bona fide gift
|
Indirect |
725,000
+6.33%
|
-
|
|
Dec 19
2025
|
Agnes C Kim |
SELL
Bona fide gift
|
Indirect |
3,244,594
-24.47%
|
-
|
|
Dec 19
2025
|
Agnes C Kim |
SELL
Bona fide gift
|
Direct |
2,538,000
-100.0%
|
-
|
|
Dec 19
2025
|
James J Kim > 10% Shareholder |
SELL
Bona fide gift
|
Indirect |
2,538,000
-100.0%
|
-
|
|
Dec 19
2025
|
James J Kim > 10% Shareholder |
SELL
Bona fide gift
|
Direct |
3,244,594
-98.14%
|
-
|
|
Dec 19
2025
|
Susan Y Kim Director |
BUY
Bona fide gift
|
Indirect |
5,782,594
+50.0%
|
-
|
|
Dec 16
2025
|
Mark N Rogers EVP & General Counsel |
SELL
Open market or private sale
|
Direct |
20,000
-45.6%
|
$840,000
$42.95 P/Share
|
|
Dec 16
2025
|
Mark N Rogers EVP & General Counsel |
BUY
Exercise of conversion of derivative security
|
Direct |
20,000
+31.32%
|
$140,000
$7.4 P/Share
|
|
Dec 15
2025
|
Winston J Churchill Director |
SELL
Open market or private sale
|
Direct |
5,000
-16.19%
|
$220,000
$44.29 P/Share
|
|
Dec 15
2025
|
Winston J Churchill Director |
BUY
Exercise of conversion of derivative security
|
Direct |
5,000
+13.93%
|
$95,000
$19.39 P/Share
|
|
Dec 15
2025
|
Guillaume Marie Jean Rutten President and CEO |
SELL
Open market or private sale
|
Direct |
10,000
-2.88%
|
$440,000
$44.8 P/Share
|
|
Dec 12
2025
|
Kevin Engel Executive Vice President |
SELL
Open market or private sale
|
Direct |
11,000
-96.92%
|
$506,000
$46.21 P/Share
|
|
Dec 12
2025
|
Mary Frances Mc Court Director |
SELL
Open market or private sale
|
Direct |
20,000
-26.34%
|
$920,000
$46.02 P/Share
|
|
Dec 12
2025
|
Mary Frances Mc Court Director |
BUY
Exercise of conversion of derivative security
|
Direct |
20,000
+20.85%
|
$380,000
$19.39 P/Share
|
|
Dec 12
2025
|
Gil C. Tily Director |
SELL
Open market or private sale
|
Direct |
20,000
-13.91%
|
$920,000
$46.44 P/Share
|
|
Dec 04
2025
|
2023 Grantor Retained Annuity Trust Of Susan Y. Kim Dated 9/15/2023 |
SELL
Bona fide gift
|
Direct |
758,000
-51.11%
|
-
|
|
Dec 04
2025
|
Susan Y Kim Director |
BUY
Bona fide gift
|
Direct |
758,000
+11.07%
|
-
|
|
Dec 04
2025
|
Susan Y Kim Director |
SELL
Bona fide gift
|
Indirect |
758,000
-29.08%
|
-
|
|
Nov 21
2025
|
James J Kim > 10% Shareholder |
BUY
Bona fide gift
|
Indirect |
965,000
+50.0%
|
-
|
|
Nov 20
2025
|
2024 Grantor Retained Annuity Trust Of James J. Kim Dtd. 8/5/2024 |
SELL
Bona fide gift
|
Direct |
965,000
-43.86%
|
-
|
|
Nov 20
2025
|
2024 Grantor Retained Annuity Trust Of Agnes C. Kim Dtd. 8/5/2024 |
SELL
Bona fide gift
|
Direct |
705,000
-44.06%
|
-
|
|
Nov 20
2025
|
Agnes C Kim |
BUY
Bona fide gift
|
Indirect |
705,000
+50.0%
|
-
|
|
Nov 20
2025
|
2024 Grantor Retained Annuity Trust Of Susan Y. Kim Dtd. 8/5/2024 |
SELL
Bona fide gift
|
Direct |
876,000
-43.8%
|
-
|
|
Nov 20
2025
|
Susan Y Kim Director |
SELL
Bona fide gift
|
Indirect |
2,546,000
-20.98%
|
-
|
|
Nov 20
2025
|
Susan Y Kim Director |
BUY
Grant, award, or other acquisition
|
Indirect |
965,000
+17.92%
|
-
|
|
Nov 20
2025
|
Susan Y Kim Director |
BUY
Bona fide gift
|
Direct |
876,000
+14.11%
|
-
|
|
Nov 17
2025
|
Mark N Rogers EVP & General Counsel |
SELL
Open market or private sale
|
Direct |
20,000
-45.6%
|
$620,000
$31.69 P/Share
|
|
Nov 17
2025
|
Mark N Rogers EVP & General Counsel |
BUY
Exercise of conversion of derivative security
|
Direct |
20,000
+31.32%
|
$140,000
$7.4 P/Share
|
|
Nov 17
2025
|
Guillaume Marie Jean Rutten President and CEO |
SELL
Open market or private sale
|
Direct |
10,000
-2.8%
|
$310,000
$31.68 P/Share
|
|
Nov 14
2025
|
Farshad Haghighi Executive Vice President |
SELL
Payment of exercise price or tax liability
|
Direct |
797
-2.3%
|
$24,707
$31.68 P/Share
|
|
Nov 14
2025
|
Farshad Haghighi Executive Vice President |
BUY
Exercise of conversion of derivative security
|
Direct |
797
+2.23%
|
-
|
|
Nov 14
2025
|
Kevin Engel Executive Vice President |
SELL
Payment of exercise price or tax liability
|
Direct |
669
-1.44%
|
$20,739
$31.68 P/Share
|
|
Nov 14
2025
|
Kevin Engel Executive Vice President |
BUY
Exercise of conversion of derivative security
|
Direct |
669
+1.41%
|
-
|
|
Nov 04
2025
|
John T Kim > 10% Shareholder |
SELL
Bona fide gift
|
Indirect |
846,750
-20.77%
|
-
|
|
Nov 04
2025
|
John T Kim > 10% Shareholder |
BUY
Bona fide gift
|
Direct |
846,750
+6.7%
|
-
|
|
Nov 04
2025
|
T. Kim 2024 Grat #1 Dtd. 08/09/2024 John |
SELL
Bona fide gift
|
Direct |
806,000
-40.3%
|
-
|
|
Nov 04
2025
|
T. Kim 2024 Grat #2 Dtd. 08/09/2024 John |
SELL
Bona fide gift
|
Direct |
40,750
-40.75%
|
-
|
|
Oct 15
2025
|
Guillaume Marie Jean Rutten President and CEO |
SELL
Open market or private sale
|
Direct |
10,000
-2.73%
|
$300,000
$30.74 P/Share
|