SK Telecom (SKM) sells 51,952 treasury shares to officers and employees

Rhea-AI Filing Summary

SK Telecom Co., Ltd. reported that it disposed of a portion of its treasury shares in favor of officers and employees. Between April 28, 2026 and May 13, 2026, the company sold a total of 51,952 common shares for an aggregate 5,471,321,600 Won through SK Securities Co., Ltd. at disposal prices of 96,800 Won and 105,800 Won per share on the respective transaction dates.

Key Figures

Treasury shares disposed: 51,952 shares Aggregate disposal proceeds: 5,471,321,600 Won Disposal price April 28, 2026: 96,800 Won per share +3 more

6 metrics

Treasury shares disposed 51,952 shares Common shares sold to officers and employees in Apr–May 2026

Aggregate disposal proceeds 5,471,321,600 Won Total cash from treasury share sale in Apr–May 2026

Disposal price April 28, 2026 96,800 Won per share 2,800 common shares sold to officers and employees

Disposal price May 13, 2026 105,800 Won per share 49,152 common shares sold to officers and employees

Treasury shares held 1,732,142 shares Common shares under direct acquisition, 0.81% of total shares

Treasury share value 86,990 million Won Value of directly acquired common shares, units in millions of Won

Key Terms

treasury shares, Form 6-K, foreign private issuer, Investment Brokerage Agent, +1 more

5 terms

treasury shares financial

"From April 28, 2026 to May 13, 2026, SK Telecom Co., Ltd. disposed of a portion of its treasury shares."

Treasury shares are a company’s own stock that it has repurchased and keeps on its books instead of canceling or leaving in the hands of outside investors. Think of them like coupons a business puts back in a drawer: they don’t vote or receive dividends while held, but they can be reissued later for employee pay or fundraising. For investors this matters because buybacks change the number of shares that count toward earnings and ownership, can boost per‑share metrics, and use corporate cash that might otherwise go to growth or dividends.

Form 6-K regulatory

"Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16"

A Form 6-K is a report that companies listed in certain countries file to provide important updates, such as financial results, corporate changes, or other significant information, to regulators and investors. It functions like an official company update or news release, helping investors stay informed about developments that could affect their investment decisions.

foreign private issuer regulatory

"Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16"

A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.

Investment Brokerage Agent financial

"Recipient of Shares | | Investment Brokerage Agent"

treasury shares direct acquisition financial

"Type | | Direct Acquisition (A) | | | Acquisition through Broker (B)"

Form 6-K: How Foreign Companies Report to the SEC →

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER

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

THE SECURITIES EXCHANGE ACT OF 1934

FOR THE MONTH OF MAY 2026

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 ☐

Report on Disposal of Treasury Shares

From April 28, 2026 to May 13, 2026, SK Telecom Co., Ltd. (the “Company”) disposed of a portion of its treasury shares.

1. Report on Disposal

A. Date of the Report of Decision on Disposal of Treasury Shares (the “Initial Report”): April 27, 2026 (Please refer to the current report on Form 6-K furnished by the Company on April 27, 2026.)

B. Period of Disposal: April 28, 2026 – May 31 , 2026

C. Type and Number of Disposed Shares: 51,952 common shares

2. Details of Disposal

Date		Type		Number								Disposal Price per Share (Won)(2)				Aggregate Disposal Price (Won)(2)				Recipient of Shares		Investment Brokerage Agent
				Order				Disposed
May 13, 2026		Common shares			49,152				49,152				105,800				5,200,281,600			Officers and employees		SK Securities Co., Ltd.
April 28, 2026		Common shares			2,800				2,800				96,800				271,040,000			Officers and employees		SK Securities Co., Ltd.
Total					51,952				51,952				—				5,471,321,600

※ Based on the market closing price on the date of the disposal.

3. Discrepancy with the Initial Report

4. Treasury Shares Held after the Disposal (as of May 18, 2026)

(units: in millions of Won or percentages)

Type

Direct Acquisition (A)

Acquisition through Broker (B)

Total (A + B)

Number of Shares

Percentage of Total Shares

Value

Number of Shares

Percentage of Total Shares

Value

Number of Shares

Percentage of Total Shares

Value

Common Shares

1,732,142

0.81

86,990

—

—

—

1,732,142

0.81

86,990

※ The above status of treasury shares held after disposal represents the number of treasury shares held as of May 18, 2026, reflecting the changes resulting from the Decision on Disposal of Treasury Shares disclosed on February 4, 2026.

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: May 18, 2026

FAQ

What treasury share transaction did SK Telecom (SKM) report in this 6-K?

SK Telecom reported disposing of a portion of its treasury shares. It sold 51,952 common shares to officers and employees, generating 5,471,321,600 Won in total proceeds through SK Securities Co., Ltd., across two transaction dates in April and May 2026.

How many SK Telecom (SKM) treasury shares were sold to officers and employees?

SK Telecom sold 51,952 treasury common shares to officers and employees. These were disposed of in two tranches, 2,800 shares on April 28, 2026 and 49,152 shares on May 13, 2026, as detailed in the transaction table.

What prices did SK Telecom (SKM) receive per share for its treasury share disposal?

SK Telecom received 96,800 Won per share on April 28, 2026 and 105,800 Won per share on May 13, 2026. These disposal prices applied to common shares sold to officers and employees via SK Securities Co., Ltd.

What was the total cash value of SK Telecom’s (SKM) treasury share disposal?

The total cash value from SK Telecom’s treasury share disposal was 5,471,321,600 Won. This consists of 271,040,000 Won from the April 28, 2026 transaction and 5,200,281,600 Won from the May 13, 2026 transaction, according to the reported aggregate prices.

Who received the SK Telecom (SKM) treasury shares that were disposed of?

The disposed SK Telecom treasury shares were allocated to officers and employees. SK Securities Co., Ltd. acted as the investment brokerage agent for these transactions, facilitating the sale of 51,952 common shares from the company’s treasury holdings.

What does the additional SK Telecom (SKM) table about common shares show?

The additional table shows SK Telecom’s common shares acquired directly as treasury shares. It lists 1,732,142 common shares, representing 0.81 percent of total shares, with a value of 86,990 million Won, all categorized under direct acquisition rather than broker acquisition.