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 FEBRUARY 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 ☐

Preliminary Results of Operations

•

The preliminary results shown below may differ from the final results.

1. Basis: Consolidated

Classification

(unit : in 100 millions of Won, %)

Current Period
(Fourth
quarter⁽¹⁾
of 2025)

Previous Period
(Third
quarter⁽²⁾
of 2025)

Changes
(%)

Year to Year
Comparison
(Fourth
quarter⁽¹⁾
of 2024)

Changes
(%)

Operating Revenue

Quarterly Results

Year-to-

date (“YTD”)⁽³⁾ Results

43,287
170,992

39,781
N.A*

8.81
N.A*

45,115
179,406

(4.05)
(4.69)

Operating Income

Quarterly Results

YTD⁽³⁾ Results

1,191
10,732

484
N.A*

145.96
N.A*

2,541
18,234

(53.12)
(41.14)

Profit (Loss) from Continuing Operations Before Income Tax

Quarterly Results

YTD⁽³⁾ Results

1,378
7,223

(1,639)
N.A*

N.A*
N.A*

4,781
17,618

(71.17)
(59.00)

Profit (Loss) for the Period

Quarterly Results

YTD⁽³⁾ Results

970
3,751

(1,667)
N.A*

N.A*
N.A*

3,948
13,871

(75.43)
(72.96)

Attributable To: Controlling Interests

Quarterly Results

YTD⁽³⁾ Results

1,125
4,084

(1,582)
N.A*

N.A*
N.A*

2,909
12,502

(61.30)
(67.33)

(1)	Refers to the three-month period from October 1 to December 30 of a given year.

(2)	Refers to the three-month period from July 1 to September 30 of a given year.

(3)	Refers to the twelve-month period from January 1 to December 30 of a given year.

*	Means “not applicable.”

2. Basis: Separate

Classification

(unit : in 100 millions of Won, %)

Current Period
(Fourth
quarter⁽¹⁾
of 2025)

Previous Period
(Third
quarter⁽²⁾
of 2025)

Changes
(%)

Year to Year
Comparison
(Fourth
quarter⁽¹⁾
of 2024)

Changes
(%)

Operating Revenue

Quarterly Results

YTD⁽³⁾ Results

30,837
120,511

26,647
N.A*

15.72
N.A*

31,906
127,741

(3.35)
(5.66)

Operating Income (Loss)

Quarterly Results

YTD⁽³⁾ Results

1,308
8,118

(522)
N.A*

N.A*
N.A*

1,793
15,232

(27.09)
(46.70)

Profit (Loss) Before Income Tax

Quarterly Results

YTD⁽³⁾ Results

1,710
7,365

(2,305)
N.A*

N.A*
N.A*

2,328
14,771

(26.55)
(50.14)

Profit (Loss) for the Period

Quarterly Results

YTD⁽³⁾ Results

1,060
4,108

(2,066)
N.A*

N.A*
N.A*

2,857
12,805

(62.91)
(67.92)

(1)	Refers to the three-month period from October 1 to December 30 of a given year.

(2)	Refers to the three-month period from July 1 to September 30 of a given year.

(3)	Refers to the twelve-month period from January 1 to December 30 of a given year.

*	Means “not applicable.”


3. Source of Data	Data Provider	IR, SK Telecom

	Provided for	Analysts and Investors

	Date of Provision	February 5, 2026 / 4:00 p.m. (Seoul time)

	Location	2025 Annual Earnings Results Conference Call

	Organizing Team	IR, SK Telecom (+82-2-6100-2114)

4. Other Important Matters Relating to an Investment Decision	• The preliminary results set forth in this report have been prepared on a consolidated basis and separate basis in accordance with International Financial Reporting Standards as adopted in Korea and may be subject to change based on the results of the audit by the Company’s external auditor. • For further relevant materials, please refer to the Company’s IR website at: https://www.sktelecom.com/en/investor/lib/announce.do

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, thereunto duly authorized.


SK TELECOM CO., LTD.
(Registrant)

By:		/s/ Taehee Kim
(Signature)
Name:		Taehee Kim
Title:		Vice President

Date: February 5, 2026

SK TELECOM CO LTD 6-K