000660 - SK hynix Inc.

000660 Summary
Semiconductors
Stock Price & Overview
₩1,678,000 +7,000 (+0.42%) Close · Aug 25, 2026 KST
KOSPI | ₩KRW | Close: ₩1,678,000  ≈ US$1,199  ·  Market cap ₩1,225.8tn (≈ $875.5bn)
Why this page exists. Korean issuers file to DART, not the SEC, and almost nothing is published in English. Titles here are translated; where kstock has read the filing, the row carries the explanation and the amount in won and dollars. How we pick »

000660 DART Filings

DART

Insider / Major Shareholder Holdings Report ×8

Ownership08/21/26Korean original
DART

Change in the Largest Shareholder's Holdings

Ownership08/21/26Korean original
DART

Treasury Share Disposal — Result Report

Buyback08/21/26Korean original
DART

Company's Answer to the KRX Inquiry — “undetermined”

Exchange inquiry08/21/26Korean original
DART

KRX Demands an Answer to a Rumor or Media Report

Exchange inquiry08/21/26Korean original
DART

Fair Disclosure

Guidance08/19/26Korean original
ks

A ₩40.0tn buy-and-cancel that fixes the money, not the share count

The board approved buying ₩40.0tn (~$28.4bn) of its own stock on the open market over 91 days and retiring all of it — 3.3% of market cap. The 24.07m share figure printed in the filing is derived from the current price and shrinks if the stock rises.

Buyback08/19/26DART original
₩40.0tn≈ $28.6bn
DART

Board Resolution — Cancellation of Shares

Buyback08/19/26Korean original
DART

Loss Incurred on Derivatives Trading

Derivatives08/14/26Korean original
DART

Half-Year Report

Periodic08/14/26Korean original
DART

Supplier Payment Terms and Dispute-Resolution Disclosure

Governance08/12/26Korean original
DART

KRX Demands an Answer to a Rumor or Media Report

Exchange inquiry08/10/26Korean original
DART

Company's Answer to the KRX Inquiry — “undetermined”

Exchange inquiry08/10/26Korean original
DART

Record Date Set for a Dividend

Dividend08/07/26Korean original
DART

Dividend Declared

Dividend08/07/26Korean original
DART

신규시설투자등 ×2

Filing08/07/26Korean original
DART

Material Event — Board Approves Disposal of Treasury Shares

Buyback08/07/26Korean original
DART

Company Statement on a Rumor or Media Report — “undetermined”

Exchange inquiry08/05/26Korean original
DART

5% Ownership Report — Large Holdings

Ownership08/05/26Korean original
DART

Insider / Major Shareholder Holdings Report

Ownership07/31/26Korean original
DART

Change in the Largest Shareholder's Holdings

Ownership07/30/26Korean original
DART

Preliminary Consolidated Results (Fair Disclosure)

Earnings07/29/26Korean original
22 filings on file, grouped where one event produced many. Source: DART, operated by Korea's Financial Supervisory Service.

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What a US investor should know

  • Trading hours09:00–15:30 KST — 20:00–02:30 US Eastern the night before.
  • Daily limitKorean stocks can move at most ±30% in a session before trading halts.
  • Getting exposureKRX shares are not directly tradable in most US brokerage accounts. The usual routes are Korea ETFs or an international account.
  • ReportingKorean issuers file to DART, not the SEC. Half-year and quarterly reports land about 45 days after period end.