Magnachip (NYSE: MX) director Ilbok Lee plans retirement from board

Rhea-AI Filing Summary

Magnachip Semiconductor Corporation reported that board member Ilbok Lee has decided to retire and resign from its Board of Directors and all related committee positions. His resignation will be effective at the company’s next scheduled board meeting on January 14, 2026.

The company states that Dr. Lee’s decision to retire is for personal reasons and is not due to any disagreement with Magnachip on its operations, policies, or practices. The filing also notes that a related press release dated January 14, 2026 is included as an exhibit.

8-K Event Classification

2 items: 5.02, 9.01

2 items

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Understanding 8-K Material Events →

c/o Magnachip Semiconductor, Ltd. 0001325702 false 0001325702 2026-01-13 2026-01-13

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 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): January 13, 2026

Magnachip Semiconductor Corporation

(Exact name of registrant as specified in its charter)

Delaware		001-34791		83-0406195
(State or other jurisdiction of incorporation)		(Commission File Number)		(IRS Employer Identification No.)

c/o Magnachip Semiconductor, Ltd.

15F, 76 Jikji-daero 436beon-gil, Heungdeok-gu

Cheongju-si, Chungcheongbuk-do, 28581, Republic of Korea

(Address of principal executive offices)

Not Applicable

(Zip Code)

+82 (2) 6903-3000

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

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(s)		Name of each exchange on which registered
Common Stock, par value $0.01 per share		MX		New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company 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 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On January 13, 2026, Ilbok Lee notified Magnachip Semiconductor Corporation (the “Company”) that he had decided to retire and resign from the Board of Directors (the “Board”) of the Company, including all committee positions on which he serves, to be effective at the Company’s next scheduled meeting of the Board to be held on January 14, 2026. Dr. Lee’s decision to retire was for personal reasons and not the result of any disagreement with the Company on any matter relating to the Company’s operations, policies or practices.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No.		Description
99.1		Press Release issued January 14, 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.

Date: January 14, 2026				MAGNACHIP SEMICONDUCTOR CORPORATION
				By:		/s/ Shin Young Park
				Name:		Shin Young Park
				Title:		Chief Financial Officer

FAQ

What did Magnachip Semiconductor (MX) disclose in this 8-K filing?

Magnachip Semiconductor Corporation disclosed that director Ilbok Lee has decided to retire and resign from its Board of Directors and all committee positions, effective at the board meeting on January 14, 2026.

Why is Magnachip (MX) director Ilbok Lee resigning from the board?

The company states that Dr. Ilbok Lee is retiring from the board for personal reasons and that his decision is not the result of any disagreement with Magnachip regarding its operations, policies, or practices.

When will Ilbok Lee’s resignation from Magnachip’s board become effective?

Dr. Ilbok Lee’s resignation from Magnachip’s Board of Directors will be effective at the company’s next scheduled board meeting, which is to be held on January 14, 2026.

Does Magnachip (MX) mention any disputes related to Ilbok Lee’s retirement?

No. Magnachip specifically notes that Dr. Ilbok Lee’s decision to retire is for personal reasons and not due to any disagreement with the company on its operations, policies, or practices.

Is there an accompanying press release for Magnachip’s board change?

Yes. The company lists a press release dated January 14, 2026 as Exhibit 99.1, which relates to the disclosed director retirement.

Which security of Magnachip (MX) is listed on the New York Stock Exchange?

Magnachip’s common stock, par value $0.01 per share, trades on the New York Stock Exchange under the symbol MX.