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 ~~June~~July 2026

Commission File Number 1-14926

______________________

KT Corporation

(Translation of registrant's name into English)

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90, Buljeong-ro,

Bundang-gu, Seongnam-si,

Gyeonggi-do,

Korea

(Address of principal executive offices)

______________________

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~~Future onBusiness ~~Acquisition~~and ofManagement ~~Treasury Shares by Trust Agreement~~Plan

1. KT Corp (the “Company”)’s contract for share repurchase trust

※ The information below concerns future plans and is subject to change

1. Future Plan

KT Mid-term Growth Strategy

2. Key Contents and Expected Timeline

Purpose

Transformation into an AX Platform Company

Key Details

Strengthening core telecommunication competitiveness

–Establishing a 'Zero Trust' based framework for cybersecurity and IT operations

–Enhancing fundamental competitiveness through improvements in customer-perceived network quality and securing future technologies

Expansion of AX Infrastructure

–Securing 1GW of AI Data Center Capacity over the next 5 years to respond to growing demand for AI

–Securing 90 Tbps of submarine cable capacity over the next 5 years to respond to increasing global AI traffic

Implementation Timeline

From

January 1, 2026

December 31, 2031

Expected Investment Amount

KRW 4 trillion investment in cybersecurity and IT systems, and KRW 8 trillion investment in network infrastructure over 3 years

KRW 6 trillion in AX infrastructure over the next 5 years(KRW 5 trillion for AI Data Center, KRW 1 trillion for submarine cable)

※ The investments amounts set forth above represent the aggregate of capital expenditure, operating expenses and other related costs, and are subject to change depending on market conditions and changes in the company's business environment.

Anticipated Impact

Establishment of AX hub in Asia and mid-term growth

3. Provision of Information

Provider

KT Corporation Public Relations Office

Target Audience

Media correspondents and the public

(Expected) Time and Date of Provision

July 6, 2026, 10:00(KST)

Name of Event(Location)

Press briefing on "Transformation into an AX Platform Company"

4. Point of Contact (Department/Telephone Number)

KT IR / +82-70-4193-4036

5. Other Matters Relating to Investment Decision

–The foregoing plan is under review based on current market conditions and is subject to change in light of future market conditions and changes in the Company's business environment

–In the event that specific business details are finalized in the future and a related disclosure obligation arises, the Company will make a separate disclosure accordingly

–The reason the start date of the aforementioned 'Implementation Timeline' is indicated as January 1, 2026 is that a portion of the investments related to cybersecurity, IT, and network infrastructure had already been executed as of such date

A. Date of disclosure with regards to contract for share repurchase trust: February 10, 2026

B. Trust agreement company: NH INVESTMENT & SECURITIES CO.,LTD

C. Date of Trust Agreement: March 10, 2026

2. Acquisition of shares issued by the Company through the trust agreement

Date	Type of Share	Number of Shares		Price paid Per share (KRW)	Aggregate value (KRW)
		Acquired	Disposed
April 1, 2026	Common Share	40,000	—	61,257	2,450,284,100
April 2, 2026	Common Share	40,000	—	60,606	2,424,233,050
April 3, 2026	Common Share	40,000	—	59,961	2,398,441,500
April 6, 2026	Common Share	40,000	—	60,208	2,408,303,600
April 7, 2026	Common Share	40,000	—	59,551	2,382,031,300
April 8, 2026	Common Share	40,000	—	61,919	2,476,748,400
April 9, 2026	Common Share	40,000	—	62,701	2,508,028,150
April 10, 2026	Common Share	40,000	—	62,465	2,498,610,550
April 13, 2026	Common Share	40,000	—	62,760	2,510,407,150
April 14, 2026	Common Share	40,000	—	64,567	2,582,660,450
April 15, 2026	Common Share	40,000	—	64,718	2,588,730,700
April 16, 2026	Common Share	40,000	—	63,986	2,559,456,700
April 17, 2026	Common Share	40,000	—	64,181	2,567,221,000
April 20, 2026	Common Share	40,000	—	63,624	2,544,947,550
April 21, 2026	Common Share	40,000	—	62,844	2,513,770,750
April 22, 2026	Common Share	40,000	—	61,890	2,475,583,150
April 23, 2026	Common Share	31,295	—	61,651	1,929,353,300
April 24, 2026	Common Share	40,000	—	61,874	2,474,943,100

April 27, 2026	Common Share	40,000	—	61,525	2,461,018,400
April 28, 2026	Common Share	40,000	—	61,069	2,442,779,200
April 29, 2026	Common Share	40,000	—	60,659	2,426,354,900
April 30, 2026	Common Share	40,000	—	60,676	2,427,023,450
May 4, 2026	Common Share	40,000	—	60,542	2,421,698,400
May 6, 2026	Common Share	40,000	—	59,435	2,377,413,500
May 7, 2026	Common Share	40,000	—	58,954	2,358,157,950
May 8, 2026	Common Share	40,000	—	59,257	2,370,269,400
May 11, 2026	Common Share	40,000	—	58,810	2,352,392,500
May 12, 2026	Common Share	40,000	—	58,829	2,353,151,550
May 13, 2026	Common Share	40,000	—	59,564	2,382,543,200
May 14, 2026	Common Share	40,000	—	58,699	2,347,964,800
May 15, 2026	Common Share	40,000	—	58,973	2,358,902,800
May 18, 2026	Common Share	40,000	—	56,982	2,279,280,700
May 19, 2026	Common Share	40,000	—	56,608	2,264,325,600
May 20, 2026	Common Share	40,000	—	56,072	2,242,870,000
May 21, 2026	Common Share	40,000	—	55,854	2,234,175,200
May 22, 2026	Common Share	40,000	—	56,135	2,245,382,650
May 26, 2026	Common Share	40,000	—	54,985	2,199,409,400
May 27, 2026	Common Share	50,000	—	53,074	2,653,705,700
May 28, 2026	Common Share	50,000	—	52,120	2,605,975,400
May 29, 2026	Common Share	50,000	—	53,460	2,673,015,700
June 1, 2026	Common Share	50,000	—	53,718	2,685,877,100
June 2, 2026	Common Share	50,000	—	54,004	2,700,216,300
June 4, 2026	Common Share	50,000	—	54,673	2,733,641,400
June 5, 2026	Common Share	50,000	—	53,752	2,687,616,600

June 8, 2026						Common Share						50,000						—						52,696						2,634,785,200
Total						Common Share						1,871,295						—						59,153						110,213,701,500

–The above dates are based on transaction (trade) dates, and the price per share represents the average purchase price.

3. The Company’s share ownership after acquiring issued shares through trust contract (As of June 10, 2026)

	Treasury shares held by the Company		Share acquired by trust contract		Total
Type of Share	Number	Ratio	Number	Ratio	Number	Ratio
Common Shares	10,818,582	4.29%	1,871,295	0.74%	12,689,877	5.04%
Total	10,818,582	4.29%	1,871,295	0.74%	12,689,877	5.04%

–The above ratio represents the proportion of treasury shares relative to the total number of issued shares (252,021,685 shares).

–The number of shares under "Share acquired by trust contract" reflects the status of treasury shares for which settlement has been completed as of the filing date of this report.

4. Changes in shares held by the largest shareholder before and after share repurchase (As of June 10, 2026)

Name	Type of share	Prior to trust agreement	As of June 10, 2026
Hyundai Motor Company	Common Shares	12,251,234	12,251,234
Hyundai Mobis	Common Shares	8,094,466	8,094,466
Total	Common Shares	20,345,700	20,345,700
	Other Shares	-	-
	Total	20,345,700	20,345,700

5. Other matters relating to protection of investors

A. Share repurchase agreement

(Unit : KRW million)

Date of contract

Contract period

Contract company

Contract amount

Notes

March 10, 2026

From March 10, 2026 to September 9, 2026

NH INVESTMENT & SECURITIES CO.,LTD

250,000

Subject of the report

B. Ratio of Acquisition under the share acquisition agreement (As of June 10, 2026)

Type of share

Number of shares acquired

Aggregate value(KRW)

Ratio of acquisition to trust contract amount

Contract company

Common Shares

1,871,295

110,213,701,500

44.1%

NH INVESTMENT & SECURITIES CO.,LTD

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.

			Dated: June 10, 2026
			Dated: July 6, 2026
			KT Corporation
			By:			/s/ Sun Wook Kim
			Name: Sun Wook Kim
			Title: IRO
			By:			/s/ Sanghyun Cho
			Name: Sanghyun Cho
			Title: IR Team Leader

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