Dudediligence.

Amkor Technology, Inc

AMKRNASDAQ · Semiconductors & Related Devices
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$22.1M

39 notices · 402,161 sh

Oct 2025 to Oct 2026

Reported ·

$988.2M

32 sales · 0 buys

Oct 2025 to Jun 2026

The two figures cover different periods.

14 of 32 reported sales carry the 10b5-1 box. Together they are 8.18% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-10-02: DOUGLAS A ALEXANDER, Form 1442026-09-08: MEGAN FAUST, Form 1442026-08-17: MARK N ROGERS, Form 1442026-08-11: MEGAN FAUST, Form 1442026-08-07: DOUGLAS A ALEXANDER, Form 1442026-08-06: GUILLAUME RUTTEN, Form 1442026-08-05: GUILLAUME RUTTEN, Form 1442026-07-30: KEVIN K ENGEL, Form 1442026-07-16: MARK N ROGERS, Form 1442026-07-14: MEGAN FAUST, Form 1442026-06-16: MARK N ROGERS, Form 1442026-06-12: WINSTON J CHURCHILL, Form 1442026-06-09: MEGAN FAUST, Form 1442026-05-19: MEGAN FAUST, Form 1442026-05-18: MARK N ROGERS, Form 1442026-05-11: GIL TILY, Form 1442026-05-08: GUILLAUME RUTTEN, Form 1442026-05-05: ROGER ANTHONY CAROLIN, Form 1442026-05-05: DOUGLAS ALEXANDER, Form 1442026-05-05: Winston J Churchill, Form 1442026-04-16: MARK N ROGERS, Form 1442026-03-16: MARK N ROGERS, Form 1442026-02-25: FARSHAD HAGHIGHI, Form 1442026-02-24: KEVIN K ENGEL, Form 1442026-02-24: GUILLAUME RUTTEN, Form 1442026-02-17: KEVIN K ENGEL, Form 1442026-02-17: GUILLAUME RUTTEN, Form 1442026-02-17: MARK N ROGERS, Form 1442026-01-16: MARK N ROGERS, Form 1442026-01-15: GUILLAUME RUTTEN, Form 1442025-12-16: MARK N ROGERS, Form 1442025-12-15: WINSTON J CHURCHILL, Form 1442025-12-15: GUILLAUME RUTTEN, Form 1442025-12-12: KEVIN K ENGEL, Form 1442025-12-12: GIL TILY, Form 1442025-12-12: MARYFRANCES MCCOURT, Form 1442025-11-17: MARK N ROGERS, Form 1442025-11-17: GUILLAUME RUTTEN, Form 1442025-10-15: GUILLAUME RUTTEN, Form 1442025-10-15: Rutten Guillaume Marie Jean, sold2025-11-17: ROGERS MARK N, sold2025-11-17: Rutten Guillaume Marie Jean, sold2025-12-12: Tily Gil C., sold2025-12-12: Engel Kevin, sold2025-12-12: McCourt MaryFrances, sold2025-12-15: Rutten Guillaume Marie Jean, sold2025-12-15: CHURCHILL WINSTON J, sold2025-12-16: ROGERS MARK N, sold2026-01-15: Rutten Guillaume Marie Jean, sold2026-01-16: ROGERS MARK N, sold2026-02-12: KIM JOHN T, sold2026-02-12: 915 Investments, LP, sold2026-02-17: ROGERS MARK N, sold2026-02-17: Engel Kevin K., sold2026-02-17: Rutten Guillaume Marie Jean, sold2026-02-24: Rutten Guillaume Marie Jean, sold2026-02-24: Engel Kevin K., sold2026-02-25: Haghighi Farshad, sold2026-03-16: ROGERS MARK N, sold2026-04-16: ROGERS MARK N, sold2026-05-05: ALEXANDER DOUGLAS A, sold2026-05-05: CHURCHILL WINSTON J, sold2026-05-05: Carolin Roger Anthony, sold2026-05-08: Rutten Guillaume Marie Jean, sold2026-05-11: Tily Gil C., sold2026-05-18: ROGERS MARK N, sold2026-05-19: Faust Megan, sold2026-06-09: Faust Megan, sold2026-06-12: CHURCHILL WINSTON J, sold2026-06-16: ROGERS MARK N, sold
under a no plan named▼ salesize is dollars

Form 144 notices, newest first

2026-10-02DOUGLAS A ALEXANDER, Director$275,000
5,000 shplan 2026-05-08Form 4s on file end Jun 23144 ↗
2026-09-08MEGAN FAUST, CFO$49,050
1,000 shplan 2026-02-17Form 4s on file end Jun 23144 ↗
2026-08-17MARK N ROGERS, EVP & General Counsel$298,900
5,000 shplan 2025-08-01Form 4s on file end Jun 23144 ↗
2026-08-11MEGAN FAUST, CFO$54,450
1,000 shplan 2026-02-17Form 4s on file end Jun 23144 ↗
2026-08-07DOUGLAS A ALEXANDER, Director$279,050
5,000 shplan 2026-05-08Form 4s on file end Jun 23144 ↗
2026-08-06GUILLAUME RUTTEN, Director$1,362,608
25,000 shno plan dateForm 4s on file end Jun 23144 ↗
2026-08-05GUILLAUME RUTTEN, Director$1,383,765
25,000 shno plan dateForm 4s on file end Jun 23144 ↗
2026-07-30KEVIN K ENGEL, President and CEO$151,387
3,221 shno plan dateForm 4s on file end Jun 23144 ↗
2026-07-16MARK N ROGERS, EVP & General Counsel$325,600
5,000 shplan 2025-08-01Form 4s on file end Jun 23144 ↗
2026-07-14MEGAN FAUST, CFO$69,910
1,000 shplan 2026-02-17Form 4s on file end Jun 23144 ↗
2026-06-16MARK N ROGERS, EVP & General Counsel$431,050
5,000 shplan 2025-08-01144 ↗
Form 4, 2026-06-18: sold 5,000 at $86.21 Form 4 ↗
2026-06-12WINSTON J CHURCHILL, Director$391,000
5,000 shno plan date144 ↗
Form 4, 2026-06-16: sold 5,000 at $78.20 Form 4 ↗
2026-06-09MEGAN FAUST, CFO$70,300
1,000 shplan 2026-02-17144 ↗
Form 4, 2026-06-11: sold 1,000 at $70.30 Form 4 ↗
2026-05-19MEGAN FAUST, CFO$64,600
1,000 shplan 2026-02-17144 ↗
Form 4, 2026-05-20: sold 1,000 at $64.60 Form 4 ↗
2026-05-18MARK N ROGERS, EVP & General Counsel$358,150
5,000 shplan 2025-08-01144 ↗
Form 4, 2026-05-20: sold 5,000 at $71.63 Form 4 ↗
2026-05-11GIL TILY, Director$579,751
7,500 shno plan date144 ↗
Form 4, 2026-05-13: sold 15,000 at $77.30 Form 4 ↗
2026-05-08GUILLAUME RUTTEN, Director$3,713,965
50,000 shno plan date144 ↗
Form 4, 2026-05-12: sold 50,000 at $74.28 Form 4 ↗
2026-05-05ROGER ANTHONY CAROLIN, Director$1,524,844
20,000 shno plan date144 ↗
Form 4, 2026-05-07: sold 20,000 at $76.24 Form 4 ↗
2026-05-05DOUGLAS ALEXANDER, Director$382,900
5,000 shno plan date144 ↗
Form 4, 2026-05-07: sold 5,000 at $76.58 Form 4 ↗
2026-05-05Winston J Churchill, Director$535,136
7,000 shno plan date144 ↗
Form 4, 2026-05-07: sold 7,000 at $76.45 Form 4 ↗
2026-04-16MARK N ROGERS, EVP & General Counsel$297,150
5,000 shplan 2025-08-01144 ↗
Form 4, 2026-04-20: sold 5,000 at $59.43 Form 4 ↗
2026-03-16MARK N ROGERS, EVP & General Counsel$222,700
5,000 shplan 2025-08-01144 ↗
Form 4, 2026-03-18: sold 5,000 at $44.54 Form 4 ↗
2026-02-25FARSHAD HAGHIGHI, Executive Vice President$789,012
15,624 shno plan date144 ↗
Form 4, 2026-02-26: sold 15,624 at $50.50 Form 4 ↗
2026-02-24KEVIN K ENGEL, President and CEO$609,319
12,500 shno plan date144 ↗
Form 4, 2026-02-26: sold 12,500 at $48.75 Form 4 ↗
2026-02-24GUILLAUME RUTTEN, Director$976,070
20,000 shno plan date144 ↗
Form 4, 2026-02-26: sold 20,000 at $48.80 Form 4 ↗
2026-02-17KEVIN K ENGEL, President and CEO$244,719
5,316 shno plan date144 ↗
Form 4, 2026-02-18: sold 5,316 at $46.03 Form 4 ↗
2026-02-17GUILLAUME RUTTEN, Director$458,927
10,000 shplan 2025-06-06144 ↗
Form 4, 2026-02-18: sold 10,000 at $45.89 Form 4 ↗
2026-02-17MARK N ROGERS, EVP & General Counsel$234,600
5,000 shplan 2025-08-01144 ↗
Form 4, 2026-02-18: sold 5,000 at $46.92 Form 4 ↗
2026-01-16MARK N ROGERS, EVP & General Counsel$246,400
5,000 shplan 2025-08-01144 ↗
Form 4, 2026-01-20: sold 5,000 at $49.28 Form 4 ↗
2026-01-15GUILLAUME RUTTEN, Officer, Director$531,394
10,000 shplan 2025-06-06144 ↗
Form 4, 2026-01-20: sold 10,000 at $53.14 Form 4 ↗
2025-12-16MARK N ROGERS, EVP & General Counsel$859,094
20,000 shplan 2025-08-01144 ↗
Form 4, 2025-12-17: sold 20,000 at $42.95 Form 4 ↗
2025-12-15WINSTON J CHURCHILL, Director$221,427
5,000 shno plan date144 ↗
Form 4, 2025-12-17: sold 5,000 at $44.29 Form 4 ↗
2025-12-15GUILLAUME RUTTEN, Officer, Director$448,039
10,000 shplan 2025-06-06144 ↗
Form 4, 2025-12-17: sold 10,000 at $44.80 Form 4 ↗
2025-12-12KEVIN K ENGEL, President and CEO$508,292
11,000 shno plan date144 ↗
Form 4, 2025-12-16: sold 11,000 at $46.21 Form 4 ↗
2025-12-12GIL TILY, Director$928,836
20,000 shno plan date144 ↗
Form 4, 2025-12-16: sold 20,000 at $46.44 Form 4 ↗
2025-12-12MARYFRANCES MCCOURT, Director$920,440
20,000 shno plan date144 ↗
Form 4, 2025-12-16: sold 20,000 at $46.02 Form 4 ↗
2025-11-17MARK N ROGERS, EVP & General Counsel$633,786
20,000 shplan 2025-08-01144 ↗
Form 4, 2025-11-19: sold 20,000 at $31.69 Form 4 ↗
2025-11-17GUILLAUME RUTTEN, Officer, Director$316,791
10,000 shplan 2025-06-06144 ↗
Form 4, 2025-11-19: sold 10,000 at $31.68 Form 4 ↗
2025-10-15GUILLAUME RUTTEN, Officer, Director$307,400
10,000 shplan 2025-06-06144 ↗
Form 4, 2025-10-17: sold 10,000 at $30.74 Form 4 ↗