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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934
Date of Report (Date of earliest event reported)
May 21, 2026
AMKOR TECHNOLOGY, INC.
(Exact name of registrant as specified in its charter)

Delaware |  | 000-29472 |  | 23-1722724
(State or Other Jurisdiction of Incorporation) |  | (Commission File Number) |  | (IRS Employer Identification No.)

2045 EAST INNOVATION CIRCLE
TEMPE, AZ 85284
(Address of principal executive offices, including zip code)
(480) 821-5000
(Registrant’s telephone number, including area code)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class | Trading Symbol | Name of Each Exchange on Which Registered
Common Stock, $0.001 par value | AMKR | The NASDAQ Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 7.01. Regulation FD Disclosure.
Amkor Technology, Inc. (the “Company”) will host an Investor Day for institutional investors and financial analysts on Thursday, May 21, 2026, at Convene 810 Seventh Avenue in New York City. The presentation to be used during the Company’s Investor Day is furnished herewith as Exhibit 99.1, and is incorporated by reference into Item 7.01 of this Current Report on Form 8-K.
The information in this Current Report on Form 8-K, including the exhibit attached hereto, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to liability under that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.
Item 9.01. Financial Statements and Exhibits.
(d) Exhibits.

Exhibit |  | Description
99.1 |  | Investor Presentation, dated May 21, 2026.
104 |  | Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

| AMKOR TECHNOLOGY, INC. |
| By: | /s/ Mark N. Rogers |
|  | Mark N. Rogers |
|  | Executive Vice President, General Counsel, and Corporate Secretary |

Date: May 21, 2026