SK Telecom (NYSE: SKM) amends Form 6-K investment disclosure

Rhea-AI Filing Summary

SK Telecom Co., Ltd. furnished an amended Form 6-K to update and replace the section titled “Item 7. Other Matters Relating to Investment Decision” from a Form 6-K originally furnished on September 25, 2025. The amendment focuses on the company’s future business and management plan and includes a detailed cautionary statement explaining that any forward-looking statements are based on current plans, estimates and projections and may differ materially from actual results due to various risks and uncertainties. SK Telecom also emphasizes that it makes no representation or warranty about the accuracy or completeness of the information and has no obligation to publicly update forward-looking statements, directing readers to its latest Form 20-F and other SEC filings for additional risk factor information.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K/A

Amendment No. 1

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

OF THE SECURITIES EXCHANGE ACT OF 1934

FOR THE MONTH OF DECEMBER 2025

Commission File Number: 333-04906

SK Telecom Co., Ltd.

(Translation of registrant’s name into English)

65, Euljiro, Jung-gu

Seoul 04539, Korea

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒    Form 40-F ☐

Explanatory Note

SK Telecom Co., Ltd. (the “Company”) is furnishing this Amendment No. 1 (this “Form 6-K/A”) to the Form 6-K furnished by the Company on September 25, 2025 (the “Form 6-K”) solely to amend and replace the information set forth in “Item 7. Other Matters Relating to Investment Decision” as follows. Except as described herein, this Form 6-K/A does not, and does not purport to, amend, update or restate the information in the Form 6-K in any way or reflect any events that have occurred after the Form 6-K was originally furnished.

Future Business and Management Plan (Fair Disclosure)

7. Other Matters Relating to Investment Decision

• Regarding Item 2 above, the AI-related revenue target in 2030 reflects an update to such target originally included in the Company’s 2024 Corporate Value-Up Plan. Such change reflects developments in the AI market and business environment.

• Regarding Item 4 above, the date of board resolution refers to the date on which the future business plan was announced, and such matter was not subject to a resolution of the board of directors of the Company.

• The relevant information is provided to increase the understanding of investors and contain forward-looking statements, which may change in the future based on factors such as the business environment.

Cautionary Statement Regarding Forward-Looking Statements

The material above contains forward-looking statements. Statements that are not historical facts, including statements about our beliefs and expectations, are forward-looking statements. These statements are based on current plans, estimates and projections, and therefore you should not place undue reliance on them. Such forward-looking statements involve known and unknown risks, uncertainties and other factors which may cause our actual results or performance to be materially different from any future results or performance expressed or implied by such forward-looking statements. We do not make any representation or warranty, express or implied, as to the accuracy or completeness of the information contained herein, and nothing contained herein is, or shall be relied upon as, a promise or representation, whether as to the past or the future. Forward-looking statements speak only as of the date they are made, and we undertake no obligation to update publicly any of them in light of new information or future events. Additional information concerning these and other risk factors are contained in our latest annual report on Form 20-F and in our other filings with the U.S. Securities and Exchange Commission.

SIGNATURE

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, thereunto duly authorized.

SK TELECOM CO., LTD.
(Registrant)
By:		/s/ Taehee Kim
(Signature)
Name: Taehee Kim
Title: Vice President

Date: December 29, 2025

FAQ

What did SK Telecom (SKM) change in this amended Form 6-K/A?

SK Telecom Co., Ltd. furnished this Form 6-K/A solely to amend and replace the information set forth in “Item 7. Other Matters Relating to Investment Decision” in its Form 6-K furnished on September 25, 2025.

Does this SK Telecom (SKM) amendment affect other parts of the prior Form 6-K?

The company states that, except as described in this amendment to Item 7, it does not amend, update or restate other information in the prior Form 6-K or reflect events occurring after that Form 6-K was furnished.

What topic does Item 7 cover in SK Telecom’s (SKM) amended Form 6-K/A?

Item 7 is presented under “Future Business and Management Plan (Fair Disclosure)” and is labeled “Other Matters Relating to Investment Decision,” indicating it relates to information relevant to investment decisions.

How does SK Telecom (SKM) describe its forward-looking statements in this filing?

SK Telecom explains that statements about its beliefs and expectations are forward-looking, are based on current plans, estimates and projections, and may differ materially from actual results due to known and unknown risks, uncertainties and other factors.

Does SK Telecom (SKM) commit to updating its forward-looking statements?

The company states that forward-looking statements speak only as of the date they are made and that it undertakes no obligation to update them publicly in light of new information or future events.

Where does SK Telecom (SKM) direct investors for further risk information?

SK Telecom refers investors to its latest annual report on Form 20-F and its other filings with the U.S. Securities and Exchange Commission for additional information on risk factors.

Who signed SK Telecom’s (SKM) amended Form 6-K/A?

The report was signed on behalf of SK Telecom Co., Ltd. by Taehee Kim, who is identified as Vice President.