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AMKOR TECHNOLOGY, INC.

For the period ended Dec 31, 2025. Filed Feb 20, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 20, 2026

AMKR$34.47-1.5%Stored close · as of Nov 10, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

Item 15. Exhibits and Financial Statement Schedules

(a)Financial Statements, Financial Statement Schedules and Exhibits

The financial statements and schedules filed as part of this Form 10-K are listed in the index under Part II, Item 8 of this Form 10-K.

The exhibits required by Item 601 of Regulation S-K that are filed with this Form 10-K or incorporated by reference herein are set forth below. Management contracts or compensatory plans or arrangements are identified by an asterisk.

Incorporated by Reference · Included Herewith
Exhibit NumberExhibit DescriptionFormPeriod EndingExhibitFiling Date
3.1Amended and Restated Certificate of Incorporation.10-Q6/30/253.17/29/25
3.2Amended and Restated Bylaws of Amkor Technology, Inc., effective February 20, 2025.10-K12/31/243.32/21/25
4.1Specimen Common Stock Certificate.S-1/A4.13/31/98
4.2Indenture, dated September 22, 2025, by and between Amkor Technology, Inc. and U.S. Bank Trust Company, National Association, as trustee, regarding the 5.875% Senior Notes due 2033.8-K4.19/22/25
4.3Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934.10-K12/31/194.32/19/20
10.1Form of Indemnification Agreement for directors and officers.S-1/A10.13/31/98
10.22009 Voting Agreement, dated as of March 26, 2009, between Amkor Technology, Inc., James J. Kim and 915 Investments, LP.8-K10.14/1/09
10.3Form of Stock Option Award Agreement under the Second Amended and Restated 2007 Equity Incentive Plan.*10-Q3/31/1710.25/5/17
10.4Form of Restricted Stock Award Agreement under the Second Amended and Restated 2007 Equity Incentive Plan.*10-Q3/31/1710.35/5/17
10.5Form of Outside Director Stock Option Award Agreement under the Second Amended and Restated 2007 Equity Incentive Plan.*10-Q3/31/1710.45/5/17
10.6Second Amended and Restated 2007 Equity Incentive Plan*8-K10.15/5/17
10.7Amendment One to Second Amended and Restated 2007 Equity Incentive Plan*10-Q6/30/1910.38/1/19
10.8Form of Global Stock Option Award Agreement under the Second Amended and Restated 2007 Equity Incentive Plan.*10-Q6/30/2010.17/30/20
10.9Form of Global Restricted Stock Award Agreement under the Second Amended and Restated 2007 Equity Incentive Plan.*10-Q6/30/2010.27/30/20
10.10Form of Global Outside Director Nonstatutory Stock Option Award Agreement under the Second Amended and Restated 2007 Equity Incentive Plan.*10-Q9/30/2010.110/30/20
Incorporated by Reference · Included Herewith
Exhibit NumberExhibit DescriptionFormPeriod EndingExhibitFiling Date
10.11Form of Global Outside Director Restricted Stock Award Agreement under the Second Amended and Restated 2007 Equity Incentive Plan.*10-Q9/30/2010.210/30/20
10.12Form of Global Performance-Vested Restricted Stock Unit Award Agreement under the Second Amended and Restated 2007 Equity Incentive Plan.*8-K10.12/5/21
10.13Form of Global Time-Vested Restricted Stock Unit Award Agreement under the Second Amended and Restated 2007 Equity Incentive Plan.*8-K10.22/5/21
10.14Amkor Technology, Inc. 2021 Equity Incentive Plan*8-K10.15/20/21
10.15Amendment One to the Amkor Technology, Inc. 2021 Equity Incentive Plan*10-K12/31/2110.362/18/22
10.16Form of Global Non-Employee Director Nonstatutory Stock Option Award Agreement*8-K10.25/20/21
10.17Form of Global Non-Employee Director Restricted Stock Award Agreement*8-K10.35/20/21
10.18Form of Global Stock Option Award Agreement*8-K10.45/20/21
10.19Form of Global Restricted Stock Award Agreement*8-K10.55/20/21
10.20Form of Global Performance-Vested Restricted Stock Unit Award Agreement*8-K10.65/20/21
10.21Global Performance-Vested Restricted Stock Unit Award Agreement Guillaume Marie Jean Rutten December 2023*10-K12/31/2310.212/16/24
10.22Global Performance-Vested Restricted Stock Unit Award Agreement Guillaume Marie Jean Rutten February 2024*10-K12/31/2410.222/21/25
10.23Form of Global Performance-Vested Restricted Stock Unit Award Agreement since December 2023*10-K12/31/2310.222/16/24
10.24Form of Global Time-Vested Restricted Stock Unit Award Agreement*10-K12/31/2410.242/21/25
10.25Global Time-Vested Restricted Stock Unit Award Agreement Guillaume Marie Jean Rutten December 2023*10-K12/31/2410.252/21/25
10.26Global Time-Vested Restricted Stock Unit Award Agreement Guillaume Marie Jean Rutten February 2024*10-K12/31/2410.262/21/25
10.27Form of Global Non-Employee Director Time-Vested Restricted Stock Unit Award Agreement*10-K12/31/2110.352/18/22
10.28Fourth Amended and Restated Non-Employee Director Compensation Policy*10-K12/31/2410.302/21/25
10.29Fifth Amended and Restated Non-Employee Director Compensation Policy*10-Q6/30/2510.37/29/25
10.30Amended and Restated Executive Incentive Bonus Plan*8-K10.25/5/17
10.31Employment Letter Agreement, dated June 24, 2020, between Amkor Technology, Inc. and Guillaume Marie Jean Rutten.*10-Q6/30/2010.37/30/20
10.32Executive Severance Agreement, dated November 15, 2022, between Amkor Technology, Inc. and Giel Rutten*10-K12/31/2210.302/22/23
Incorporated by Reference · Included Herewith
Exhibit Number · Exhibit Description · Form · Period Ending · Exhibit · Filing Date
10.33Executive Severance Agreement, dated November 15, 2022, between Amkor Technology, Inc. and Megan Faust*10-K12/31/2210.312/22/23
10.34Executive Severance Agreement, dated November 15, 2022, between Amkor Technology, Inc. and Farshad Haghighi*10-K12/31/2210.322/22/23
10.35Executive Severance Agreement, dated November 15, 2022, between Amkor Technology, Inc. and Mark Rogers*10-K12/31/2210.332/22/23
10.36Executive Severance Agreement, dated February 13, 2023, between Amkor Technology, Inc. and Kevin Engel*10-K12/31/2210.342/22/23
10.37Retirement Agreement, dated October 21, 2025, between Amkor Technology, Inc. and Giel Rutten*8-K10.110/27/25
10.38Employment Letter Agreement, dated October 21, 2025, between Amkor Technology, Inc. and Kevin Engel*8-K10.210/27/25
10.39Executive Severance Agreement, dated October 21, 2025, between Amkor Technology, Inc. and Kevin Engel*8-K10.310/27/25
10.40Credit Agreement, dated May 9, 2025, among Amkor Technology, Inc, as the Borrower, the Lenders party thereto from time to time, the L/C Issuers party thereto from time to time and Bank of America, N.A., as the Administrative Agent.8-K10.15/09/25
10.41First Amendment to Credit Agreement, dated June 27, 2025, among Amkor Technology, Inc., as the Borrower, the Guarantors, the Non-Loan Party Equity Pledgor, the Term A-1 Lenders, the Revolving Lenders party thereto and Bank of America, N.A., as Administrative Agent.8-K10.16/27/25
19.1Insider Trading Policy of Amkor Technology, Inc.X
21.1List of subsidiaries of the Registrant.X
23.1Consent of PricewaterhouseCoopers LLP.X
24.1Power of Attorney (included on the Signatures page of this Report on Form 10-K).X
31.1Certification of Kevin Engel, Chief Executive Officer of Amkor Technology, Inc., Pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended.X
31.2Certification of Megan Faust, Chief Financial Officer of Amkor Technology, Inc., Pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended.X
32.1Certification of Chief Executive Officer and Chief Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.**X
97.1Excess Compensation Recovery Policy.*10-K12/31/2397.12/16/24
101.INSInline XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.X
Incorporated by ReferenceIncluded Herewith
Exhibit NumberExhibit DescriptionFormPeriod EndingExhibitFiling Date
101.SCHInline XBRL Taxonomy Extension Schema DocumentX
101.CALInline XBRL Taxonomy Extension Calculation Linkbase DocumentX
101.LABInline XBRL Taxonomy Extension Label Linkbase DocumentX
101.PREInline XBRL Taxonomy Extension Presentation Linkbase DocumentX
101.DEFInline XBRL Taxonomy Extension Definition Linkbase DocumentX
104Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)X
  • Indicates management compensatory plan, contract or arrangement.

** Furnished herewith

† Exhibit includes confidential information that has been redacted.

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