AMKOR TECHNOLOGY, INC.

By person

60 insiders · 319 transactions

Insider

Role

Bought

Sold

Net

Holding

Worth

Change

915 Investments, LP entity

Member of 10% owner group (2)

—

$717.10M (2)

−$717.10M

29,594,980

$1.45B

−40.3%

KIM JOHN T

10% owner

$28.65M (3)

$687.96M (13)

−$659.31M

35,189,469

$1.73B

+125.4%

KIM AGNES C

Member of 10% owner group (4)

$45.82M (2)

$260.85M (3)

−$215.03M

11,187,355

$548.74M

−67.7%

KIM SUSAN Y

Director

$28.65M (3)

$203.06M (12)

−$174.41M

7,244,387

$355.34M

—

KIM JAMES J

10% owner

$91.60M (4)

$260.85M (3)

−$169.25M

1,236,645

$60.66M

−93.3%

KIM DAVID D

Member of 10% owner group (5)

$28.65M (2)

$91.72M (4)

−$63.08M

3,789,479

$185.87M

−38.8%

SUJODA Investments, LP entity

Member of 10% owner group (2)

$28.65M (2)

$91.60M (3)

−$62.95M

3,789,479

$185.87M

−38.8%

Sujoda Management, LLC entity

Member of 10% owner group (4)

$28.65M (2)

$91.60M (3)

−$62.95M

3,789,479

$185.87M

−38.8%

Rutten Guillaume Marie Jean

Director

—

$36.94M (64) scheduled

−$36.94M

461,732

$22.65M

—

James J. Kim 2008 Trust FBO Descendants of John T. Kim entity

See Exhibit 99.1

—

$25.17M (1)

−$25.17M

1,093,574

$53.64M

−59.9%

James J. Kim 2008 Trust FBO Alexandra Kim Panichello & Descendants entity

See Exhibit 99.1

—

$12.58M (1)

−$12.58M

546,787

$26.82M

−59.9%

James J. Kim 2008 Trust FBO Dylan James Panichello & Descendants entity

See Exhibit 99.1

—

$12.58M (1)

−$12.58M

546,787

$26.82M

−59.9%

James J. Kim 2008 Trust FBO Jacqueline Mary Panichello & Descendants entity

See Exhibit 99.1

—

$12.58M (1)

−$12.58M

546,787

$26.82M

−59.9%

Faust Megan

CFO

—

$7.84M (52) scheduled

−$7.84M

134,105

$6.58M

—

Kelley Stephen Douglas

President and CEO

$949.00K (2)

$8.52M (10) scheduled

−$7.57M

286,200

$14.04M

−62.0%

CHURCHILL WINSTON J

Director

—

$6.22M (22) scheduled

−$6.22M

28,681

$1.41M

+72.2%

Stone John Charles

Executive Vice President

—

$6.14M (16) scheduled

−$6.14M

31,038

$1.52M

+3.3%

ROGERS MARK N

EVP & General Counsel

$22.85K (1)

$5.80M (14) scheduled

−$5.78M

38,904

$1.91M

—

Tily Gil C.

Director

—

$5.02M (9)

−$5.02M

185,038

$9.08M

+53.5%

Carolin Roger Anthony

Director

—

$3.59M (8) scheduled

−$3.59M

94,409

$4.63M

+34.9%

Haghighi Farshad

Executive Vice President

—

$2.65M (7)

−$2.65M

8,354

$409.76K

+182.9%

Engel Kevin K.

President and CEO

—

$2.40M (9)

−$2.40M

9,666

$474.12K

+1,741%

McCourt MaryFrances

Director

$18.15K (1)

$2.07M (6) scheduled

−$2.05M

65,811

$3.23M

—

ALEXANDER DOUGLAS A

Director

—

$661.95K (3) scheduled

−$661.95K

29,109

$1.43M

—

Shin Sung

Executive Vice President

—

$124.65K (1)

−$124.65K

15,418

$756.25K

—

ZUG JAMES W

Director

—

$120.70K (1) scheduled

−$120.70K

49,243

$2.42M

+7.5%

OSBORNE JOHN

Director

—

$85.82K (1)

−$85.82K

37,816

$1.85M

−8.6%

DAVID D KIM TRUST OF 12/31/87 entity

See Exhibit 99.1

—

— (2)

$0.00

−100.0%

Qualified Annuity Trust under the Susan Y. Kim 2020-1 Irrevocable Trust Agreement dated 04/01/2020 entity

Member of 10% owner group (2)

—

1,958,355

$96.06M

−60.5%

2024 Grantor Retained Annuity Trust of James J. Kim dtd. 8/5/2024 entity

Member of 10% owner group (2)

—

1,235,000

$60.58M

−43.9%

John T. Kim 2024 GRAT #1 dtd. 08/09/2024

Member of 10% owner group

—

1,194,000

$58.57M

−40.3%

2024 Grantor Retained Annuity Trust of Susan Y. Kim dtd. 8/5/2024 entity

Member of 10% owner group (2)

—

1,124,000

$55.13M

−43.8%

2024 Grantor Retained Annuity Trust of Agnes C. Kim dtd. 8/5/2024 entity

Member of 10% owner group (2)

—

895,000

$43.90M

−44.1%

Susan Y. Kim 2012 Generation-Skipping Trust U/A Dated December 11, 2012 entity

Member of 10% owner group (2)

—

164,678

$8.08M

—

Susins, LLC entity

Member of 10% owner group (2)

—

164,678

$8.08M

—

Morse Robert Randolph

Director

—

134,977

$6.62M

+779.0%

WATSON DAVID N

Director

—

130,650

$6.41M

+2,340%

John T. Kim 2024 GRAT #2 dtd. 08/09/2024

Member of 10% owner group

—

59,250

$2.91M

−40.8%

Liao Daniel JL

Director

—

40,804

$2.00M

—

LIU JOHN D

Director

—

2,983

$146.32K

—

2023 Grantor Retained Annuity Trust of Susan Y. Kim Dated 9/15/2023 entity

Member of 10% owner group (2)

—

$0.00

−100.0%

2023 Grantor Retained Annuity Trust of Agnes C. Kim Dated 4/26/2023 entity

Member of 10% owner group (3)

—

$0.00

−100.0%

2023 Grantor Retained Annuity Trust of James J. Kim Dated 4/26/2023 entity

Member of 10% owner group (3)

—

$0.00

−100.0%

James J. Kim 2021 Qualified Annuity Trust U/A Dated 12/15/2021 entity

Member of 10% owner group (3)

—

$0.00

—

Agnes C. Kim 2020-1 Qualified Annuity Trust Under Agreement Dated 12/16/20 entity

Member of 10% owner group (4)

—

$0.00

−100.0%

Family Trust Under the Susan Y. Kim 2012 Irrevocable Trust Agreement Dated 7/26/12 entity

Member of 10% owner group (2)

—

$0.00

−100.0%

Jacqueline Investments, LLC entity

Member of 10% owner group (2)

—

$0.00

—

Dylan Investments, LLC entity

Member of 10% owner group (2)

—

$0.00

—

Family Trust under the Susan Y. Kim 2018-1 Irrevocable Trust Agreement dtd. 8/29/18 entity

Member of 10% owner group (2)

—

$0.00

−100.0%

Alexandra Investments, LLC entity

Member of 10% owner group (2)

—

$0.00

—

Family Trust Under the Susan Y. Kim 2020-1 Irrevocable Trust Agreement Dated 04/01/2020 entity

Member of 10% owner group (2)

—

$0.00

−100.0%

Blaney Liam E

Member of 10% owner group (4)

—

$0.00

−100.0%

Qualified Annuity Trust under the Susan Y. Kim 2018-1 Irrevocable Trust Agreement dtd August 29, 2018 entity

Member of 10% owner group (2)

—

$0.00

−100.0%

Qualified Annuity Trust under the John T. Kim 2018 Irrevocable Trust Agreement Dated 2/6/18 entity

Member of 10% owner group (2)

—

$0.00

−100.0%

Qualified Annuity Trust under the James J. Kim 2020-1 Annuity Trust Agreement dated 04/01/2020 entity

Member of 10% owner group (3)

—

$0.00

−100.0%

Qualified Annuity Trust under the James J. Kim 2019-1 Qualified Annuity Trust Agreement dtd September10,2019 entity

Member of 10% owner group (4)

—

$0.00

−100.0%

Qualified Annuity Trust under the James J. Kim 2018-1 Qualified Annuity Trust Agreement dtd 8/30/18 entity

Member of 10% owner group (4)

—

$0.00

−100.0%

Trust of Kim Susan Y dated 4/16/98 for the benefit of Alexandra Panichello entity

See Exhibit 99.1

—

$0.00

−100.0%

Irrevocable Deed of Trust of Susan Y. Kim dated 4/16/98 For the Benefit of Jacqueline Mary Panichello entity

See Exhibit 99.1

—

$0.00

−100.0%

Irrevocable Deed of Trust of Susan Y. Kim dated 4/16/98 For the Benefit of Dylan James Panichello entity

See Exhibit 99.1

—

$0.00

−100.0%

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.

Individual transactions

Insider

Date

Role

Action

Price

Amount

Rutten Guillaume Marie Jean

6 Aug 2026

Director

Sell

25,000

$54.50

$1.36M

Rutten Guillaume Marie Jean

5 Aug 2026

Director

Sell

25,000

$55.35

$1.38M

Engel Kevin K.

30 Jul 2026

President and CEO

Sell

3,221

$47.00

$151.39K

Tily Gil C.

11 May 2026

Director

Sell

15,000

$77.30

$1.16M

Rutten Guillaume Marie Jean

8 May 2026

Director

Sell

50,000

$74.28

$3.71M

CHURCHILL WINSTON J

5 May 2026

Director

Sell

7,000

$76.45

$535.15K

Haghighi Farshad

25 Feb 2026

Executive Vice President

Sell

15,624

$50.50

$789.01K

Engel Kevin K.

17 Feb 2026

President and CEO

Sell

5,316

$46.03

$244.70K

915 Investments, LP

12 Feb 2026

Member of 10% owner group (2)

Sell

10,000,000

$48.49

$484.90M

KIM JOHN T

12 Feb 2026

10% owner

Sell indirect

10,000,000

$48.49

$484.90M

Tily Gil C.

12 Dec 2025

Director

Sell

20,000

$46.44

$928.80K

Engel Kevin K.

12 Dec 2025

Executive Vice President

Sell

11,000

$46.21

$508.31K

Haghighi Farshad

9 Sep 2025

Executive Vice President

Sell

11,792

$25.00

$294.80K

KIM AGNES C

1 Aug 2025

Member of 10% owner group (3)

Sell indirect

441,589

$21.85

$9.65M

KIM JAMES J

1 Aug 2025

10% owner

Sell

441,589

$21.85

$9.65M

ROGERS MARK N

31 Jul 2025

EVP & General Counsel

Sell

15,000

$23.58

$353.73K

Engel Kevin K.

25 Feb 2025

Executive Vice President

Sell

5,489

$21.69

$119.06K

KIM JAMES J

24 Feb 2025

10% owner

Sell

869,565

$21.85

$19.00M

KIM AGNES C

24 Feb 2025

Member of 10% owner group (3)

Sell indirect

869,565

$21.85

$19.00M

Engel Kevin K.

14 Aug 2024

Executive Vice President

Sell

4,720

$32.64

$154.06K

Engel Kevin K.

10 Jun 2024

Executive Vice President

Sell

4,921

$33.22

$163.48K

ROGERS MARK N

2 May 2024

EVP & General Counsel

Sell

5,000

$31.30

$156.50K

CHURCHILL WINSTON J

7 Mar 2024

Director

Sell

11,903

$36.20

$430.89K

Haghighi Farshad

6 Mar 2024

Executive Vice President

Sell

9,911

$33.70

$334.00K

Tily Gil C.

4 Dec 2023

Director

Sell

8,809

$28.10

$247.53K

ROGERS MARK N

3 Nov 2023

EVP & General Counsel

Sell

5,000

$23.84

$119.20K

915 Investments, LP

6 Sep 2023

Member of 10% owner group (2)

Sell

10,000,000

$23.22

$232.20M

KIM AGNES C

6 Sep 2023

Member of 10% owner group (3)

Sell indirect

10,000,000

$23.22

$232.20M

KIM JAMES J

6 Sep 2023

Director

Sell indirect

10,000,000

$23.22

$232.20M

Engel Kevin K.

2 Jun 2023

Executive Vice President

Sell

3,570

$25.42

$90.75K

Shin Sung

1 Jun 2023

Executive Vice President

Sell

5,000

$24.93

$124.65K

KIM JOHN T

22 Feb 2023

10% owner

Sell indirect

384,000

$25.28

$9.71M

KIM JOHN T

22 Feb 2023

10% owner

Sell indirect

384,000

$25.28

$9.71M

KIM JOHN T

22 Feb 2023

10% owner

Sell indirect

384,000

$25.28

$9.71M

KIM JOHN T

22 Feb 2023

10% owner

Sell indirect

384,000

$25.28

$9.71M

KIM JOHN T

22 Feb 2023

10% owner

Sell indirect

384,000

$25.28

$9.71M

KIM SUSAN Y

22 Feb 2023

Director

Sell indirect

384,000

$25.28

$9.71M

KIM SUSAN Y

22 Feb 2023

Director

Sell indirect

384,000

$25.28

$9.71M

KIM SUSAN Y

22 Feb 2023

Director

Sell indirect

384,000

$25.28

$9.71M

KIM SUSAN Y

22 Feb 2023

Director

Sell indirect

384,000

$25.28

$9.71M

KIM SUSAN Y

22 Feb 2023

Director

Sell indirect

384,000

$25.28

$9.71M

KIM DAVID D

30 Dec 2021

Member of 10% owner group (7)

Sell indirect

1,337,332

$24.68

$33.01M

KIM DAVID D

30 Dec 2021

Member of 10% owner group (7)

Sell indirect

1,187,087

$24.68

$29.30M

KIM DAVID D

30 Dec 2021

Member of 10% owner group (7)

Sell indirect

1,187,087

$24.68

$29.30M

SUJODA Investments, LP

30 Dec 2021

Member of 10% owner group (5)

Sell

1,337,332

$24.68

$33.01M

SUJODA Investments, LP

30 Dec 2021

Member of 10% owner group (5)

Sell

1,187,087

$24.68

$29.30M

SUJODA Investments, LP

30 Dec 2021

Member of 10% owner group (5)

Sell

1,187,087

$24.68

$29.30M

KIM SUSAN Y

30 Dec 2021

Director

Sell indirect

1,337,332

$24.68

$33.01M

KIM SUSAN Y

30 Dec 2021

Director

Sell indirect

1,187,087

$24.68

$29.30M

KIM SUSAN Y

30 Dec 2021

Director

Sell indirect

1,187,087

$24.68

$29.30M

Sujoda Management, LLC

30 Dec 2021

Member of 10% owner group (6)

Sell indirect

1,337,332

$24.68

$33.01M

Sujoda Management, LLC

30 Dec 2021

Member of 10% owner group (6)

Sell indirect

1,187,087

$24.68

$29.30M

Sujoda Management, LLC

30 Dec 2021

Member of 10% owner group (6)

Sell indirect

1,187,087

$24.68

$29.30M

KIM JOHN T

30 Dec 2021

10% owner

Sell indirect

1,337,332

$24.68

$33.01M

KIM JOHN T

30 Dec 2021

10% owner

Sell indirect

1,187,087

$24.68

$29.30M

KIM JOHN T

30 Dec 2021

10% owner

Sell indirect

1,187,087

$24.68

$29.30M

McCourt MaryFrances

4 Aug 2021

Director

Sell

2,500

$26.95

$67.38K

Tily Gil C.

29 Jul 2021

Director

Sell

15,000

$24.59

$368.85K

CHURCHILL WINSTON J

12 Feb 2021

Director

Sell

8,207

$24.21

$198.69K

KIM DAVID D

15 Jan 2021

Exhibit 99.1

Sell indirect

6,895

$18.04

$124.41K

KIM SUSAN Y

17 Dec 2020

Director

Sell indirect

816,613

$15.41

$12.58M

KIM SUSAN Y

17 Dec 2020

Director

Sell indirect

816,613

$15.41

$12.58M

KIM SUSAN Y

17 Dec 2020

Director

Sell indirect

816,613

$15.41

$12.58M

KIM SUSAN Y

17 Dec 2020

Director

Sell indirect

1,633,226

$15.41

$25.17M

KIM JOHN T

17 Dec 2020

Director

Sell indirect

816,613

$15.41

$12.58M

KIM JOHN T

17 Dec 2020

Director

Sell indirect

816,613

$15.41

$12.58M

KIM JOHN T

17 Dec 2020

Director

Sell indirect

816,613

$15.41

$12.58M

KIM JOHN T

17 Dec 2020

Director

Sell indirect

1,633,226

$15.41

$25.17M

James J. Kim 2008 Trust FBO Alexandra Kim Panichello & Descendants

17 Dec 2020

See Exhibit 99.1

Sell

816,613

$15.41

$12.58M

James J. Kim 2008 Trust FBO Jacqueline Mary Panichello & Descendants

17 Dec 2020

See Exhibit 99.1

Sell

816,613

$15.41

$12.58M

James J. Kim 2008 Trust FBO Descendants of John T. Kim

17 Dec 2020

See Exhibit 99.1

Sell

1,633,226

$15.41

$25.17M

James J. Kim 2008 Trust FBO Dylan James Panichello & Descendants

17 Dec 2020

See Exhibit 99.1

Sell

816,613

$15.41

$12.58M

Showing 250 of 319 transactions. The figures above use every one of them.

By person

Individual transactions

What was left out