SK hynix okays ₩40T share buyback for cancellation

SK hynix Inc. (SKHY) has approved a significant acquisition of 24,070,000 common treasury shares by open‑market purchases.

Rhea-AI Filing Summary

SK hynix Inc. (SKHY) has approved a significant acquisition of 24,070,000 common treasury shares by open‑market purchases. The estimated aggregate acquisition value is ₩40,004,340,000,000, and purchases are planned from August 20, 2026 to November 19, 2026. The company states the purpose is to improve shareholder value through the cancellation of treasury shares, meaning the bought-back shares are expected to be eliminated rather than held long term. Before this decision, SK hynix held 1,625,769 common treasury shares in total. The maximum daily purchase order is capped at 2,407,000 common shares, and SK Securities Co., Ltd. will act as investment brokerage agent. The board set this program within a total legal limit on treasury share acquisitions of ₩89,448,011,686,863 based on Korean Commercial Act distributable profit calculations.

Key Figures

Treasury shares to be acquired: 24,070,000 common shares Estimated aggregate acquisition value: ₩40,004,340,000,000 Planned acquisition period start: August 20, 2026 +4 more

7 metrics

Treasury shares to be acquired 24,070,000 common shares Approved share repurchase program

Estimated aggregate acquisition value ₩40,004,340,000,000 Total estimated cost of acquiring 24,070,000 common shares

Planned acquisition period start August 20, 2026 Start date for open‑market treasury share purchases

Planned acquisition period end November 19, 2026 End date for open‑market treasury share purchases

Maximum daily purchase order 2,407,000 common shares Daily cap on share repurchases under the program

Total limit on treasury share acquisition amount ₩89,448,011,686,863 Legal limit based on distributable profit under Korean Commercial Act

Treasury shares held before acquisition 1,625,769 common shares Total common treasury shares prior to this new decision

Key Terms

treasury shares, distributable profit, unrealized gains, open-market purchase, +1 more

5 terms

treasury shares financial

"approved the Company’s acquisition of treasury shares for the purpose of improving"

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.

distributable profit financial

"Limit on distributable profit under the Commercial Act at the end"

unrealized gains financial

"Unrealized gains prescribed by Presidential Decree"

An unrealized gain is the increase in value of an asset you still own that hasn’t been sold, so the profit exists on paper but hasn’t been converted into cash. It matters to investors because it changes the apparent wealth of a portfolio and can influence decisions about selling, risk-taking and taxes—like a house that’s worth more now but won’t pay you until you sell it.

open-market purchase financial

"Method of Acquisition | | | | Open-market purchase"

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

tender offer financial

"Tender offer | | Common shares | | - | | -"

A tender offer is a proposal made by a person or company to buy shares from existing shareholders at a set price, usually higher than the current market value, within a specific time frame. It matters to investors because it can lead to a change in ownership or control of a company, and shareholders must decide whether to sell their shares at the offered price.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What share repurchase did SK hynix (SKHY) approve in August 2026?

SK hynix approved acquiring 24,070,000 common shares as treasury stock via open‑market purchases. The estimated aggregate acquisition value is ₩40,004,340,000,000, with the repurchase aimed at improving shareholder value through subsequent cancellation of the acquired shares.

Over what period will SK hynix (SKHY) conduct the 2026 share buyback?

The repurchase is planned from August 20, 2026 to November 19, 2026. During this period, SK hynix intends to acquire up to 24,070,000 common shares in the open market, subject to a daily purchase cap and applicable Korean legal limits.

What is the maximum daily share purchase under SK hynix’s (SKHY) buyback?

The maximum daily purchase order is 2,407,000 common shares. This constraint governs how quickly SK hynix can execute the approved buyback of up to 24,070,000 shares during the August–November 2026 acquisition window through SK Securities Co., Ltd.

How many treasury shares did SK hynix (SKHY) hold before this new buyback?

Before approving the new program, SK hynix held 1,625,769 common treasury shares in total. These holdings reflect prior acquisitions and cancellations, including shares previously purchased within the dividend‑based limit under Korean law.

What is the legal limit on SK hynix’s (SKHY) treasury share acquisitions?

The total limit on treasury share acquisition amount is ₩89,448,011,686,863. This limit is derived from distributable profit calculations under the Korean Commercial Act, adjusted for dividends, reserves and prior treasury share transactions since the end of the previous fiscal year.

What is the stated purpose of SK hynix’s (SKHY) 2026 treasury share acquisition?

The company states the purpose is improvement of shareholder value through cancellation of treasury shares. This means SK hynix plans to acquire shares and then cancel them, reducing the number of outstanding shares rather than retaining them indefinitely as treasury stock.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/19/2026 - 07:15 AM Accepted by SEC EDGAR 08/19/2026 - 07:14 AM Learn about SEC filing dates

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 AUGUST 2026

Commission File Number: 001-43391

SK hynix Inc.

(Translation of registrant’s name into English)

2091, Gyeongchung-daero

Bubal-eup, Icheon-si

Gyeonggi-do 17336, 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  ☐

Decision on Acquisition of Treasury Shares

On August 19, 2026, the board of directors (the “Board of Directors”) of SK hynix Inc. (the “Company”) approved the Company’s acquisition of treasury shares for the purpose of improving shareholder value through the cancellation of treasury shares.

1. Number of Treasury Shares to be Acquired				Common shares		24,070,000
				Other shares		—
2. Estimated Aggregate Acquisition Value (Won)				Common shares		40,004,340,000,000
				Other shares		—
3. Planned Acquisition Period				From		August 20, 2026
				To		November 19, 2026
4. Expected Holding Period				From		—
				To		—
5. Purpose of Acquisition						Improvement of shareholder value through cancellation of treasury shares
6. Method of Acquisition						Open-market purchase
7. Investment Brokerage Agent						SK Securities Co., Ltd.
8. Treasury Shares Held Before Acquisition		Acquisition within Limit Based on Maximum Amount of Dividends Payable		Common shares		1,625,696		Percentage of shares (%)		0.2
				Other shares		—		Percentage of shares (%)		—
		Other Acquisition		Common shares		73		Percentage of shares (%)		0.0
				Other shares		—		Percentage of shares (%)		—
9. Date of Acquisition Decision						August 19, 2026
-   Attendance of Independent Directors						Present: 6; Absent: 0
-   Attendance of Auditors (Audit Committee Members who are not Independent Directors)						—
10. Maximum Daily Purchase Order				Common shares		2,407,000
				Preferred shares		—

11. Other Matters Relating to an Investment Decision

- This decision on acquisition of treasury shares concerns a new acquisition of treasury shares.

- The “Number of Treasury Shares to be Acquired” set forth in Item 1 above was calculated by dividing the “Estimated Aggregate Acquisition Value (Won)” set forth in Item 2 above by the closing price of the Company’s common shares on the day prior to the date of the resolution by the Board of Directors (August 18, 2026: Won 1,662,000). The actual number of treasury shares acquired may change depending on future movements in the Company’s share price.

- The “Expected Holding Period” set forth in Item 4 above may change depending on various management conditions, including the Company’s financial status and changes in the market environment. However, as this acquisition of treasury shares is for the purpose of cancellation, the Company plans to complete the acquisition within the “Planned Acquisition Period” set forth in Item 3 above and cancel all treasury shares acquired during such period. For further details, please refer to the current report on Form 6-K titled “Decision on Cancellation of Treasury Shares” furnished by the Company on August 19, 2026.

- The number of treasury shares set forth in “Treasury Shares Held Before Acquisition” set forth in Item 8 above were acquired as a result of the exercise of the clean-up call option relating to the exchangeable bonds issued by the Company on April 11, 2023 in May 2026.

- The “Date of Acquisition Decision” set forth in Item 9 above is the date of the resolution by the Board of Directors.

- The “Maximum Daily Purchase Order” set forth in Item 10 above was calculated in accordance with Article 5-5 of the Regulation on Issuance and Disclosure of Securities as the lesser of the greater of (i) and (ii) below and (iii) below:

(i) 10% of the number of shares reported for acquisition: 2,407,000 shares

(ii) 25% of the average daily trading volume for the one-month period preceding the day prior to the date of the resolution by the Board of Directors: 1,431,989 shares

(iii) 1% of the total number of issued shares: 7,304,923 shares

[Limit on Treasury Share Acquisition Amount]

(Unit: Won)

Category				Amount
1. Limit on distributable profit under the Commercial Act at the end of the previous fiscal year		Net assets		117,318,562,193,943
		Capital		3,657,652,050,000
		Accumulated capital reserve and earned reserve through the end of the previous fiscal year		9,867,146,544,188
		Unrealized gains prescribed by Presidential Decree		12,239,000,231,484
		Subtotal		91,554,763,368,271
2. Treasury share acquisition amount since the end of the previous fiscal year				—
3. Dividends and related legal reserve resolved at the General Meeting of Shareholders since the end of the previous fiscal year				1,538,579,052,713
4. Quarterly or interim dividends and related legal reserve resolved by the Board of Directors since the end of the previous fiscal year				593,975,016,113
5. Trust contract amount				—
6. Acquisition cost of treasury shares disposed of since the end of the previous fiscal year (weighted average method)				25,802,387,418
Total Limit on Treasury Share Acquisition Amount (1-2-3-4-5+6)				89,448,011,686,863

* The “Limit on distributable profit limit under the Commercial Act at the end of the previous fiscal year” set forth in Item 1 above was prepared based on the Company’s financial statements as of the end of fiscal year 2025.

[Treasury Shares Held Prior to Decision on Acquisition of Treasury Shares]

(Unit: shares)

Method of acquisition						Type of shares		Beginning		Change						End		Notes
										Acquired (+)		Disposed (–)		Cancelled (–)
Acquisition within limit based on maximum amount of dividends payable		Direct acquisition		Direct acquisition through stock exchange		Common shares		17,377,728		-		452,032		15,300,000		1,625,696		-
						Other shares		-		-		-		-		-		-
				Over-the-counter acquisition		Common shares		-		-		-		-		-		-
						Other shares		-		-		-		-		-		-
				Tender offer		Common shares		-		-		-		-		-		-
						Other shares		-		-		-		-		-		-
				Subtotal (a)		Common shares		17,377,728		-		452,032		15,300,000		1,625,696		-
						Other shares		-		-		-		-		-		-
		Acquisition through broker		Held in trust by broker		Common shares		-		-		-		-		-		-
						Other shares		-		-		-		-		-		-
				Held by Company		Common shares		-		-		-		-		-		-
						Other shares		-		-		-		-		-		-
				Subtotal (b)		Common shares		-		-		-		-		-		-
						Other shares		-		-		-		-		-		-
Other acquisition (c)						Common shares		-		73		-		-		73		-
						Other shares		-		-		-		-		-		-
Total (a+b+c)						Common shares		17,377,728		73		452,032		15,300,000		1,625,769		-
						Other shares		-		-		-		-		-		-

* The Company acquired 73 treasury shares in May 2026 through a fractional share settlement in connection with the exercise of a clean-up call option relating to the exchangeable bonds issued by the Company on April 11, 2023.

** The “Beginning” amount above refers to the number of treasury shares held as of January 1, 2026, the beginning of the current fiscal year, and the “End” amount above refers to the number of treasury shares held as of August 19, 2026, the date of this report.

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 hynix Inc.
(Registrant)
By:		/s/ Seonghwan Park
(Signature)
Name: Seonghwan Park
Title: Head of Investor Relations

Date: August 19, 2026