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298050 - HS Hyosung Advanced Materials

298050 Summary
Chemicals
Stock Price & Overview
₩172,800 -2,500 (-1.43%) Close · Sep 4, 2026 KST
KOSPI | ₩KRW | Close: ₩172,800  ≈ US$123  ·  Market cap ₩0.8tn (≈ $553m)
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 »

298050 DART Filings

DART

Debt guarantee for a third party

Filing09/04/26title translated
DART

Acquisition of Shares in Another Company

M&A08/31/26title translated
DART

Large business group status disclosure — quarterly, individual company

Filing08/31/26title translated
DART

Half-Year Report

Periodic08/14/26title translated
DART

Supplier Payment Terms and Dispute-Resolution Disclosure

Governance08/14/26title translated
DART

Debt guarantee for a third party ×2

Filing08/13/26title translated
DART

Preliminary Consolidated Results (Fair Disclosure)

Earnings07/30/26title translated
DART

Debt guarantee for a third party

Filing07/29/26title translated
DART

Rights Issue / Paid-in Capital Increase ×2

Equity07/09/26title translated
DART

Acquisition of Shares in Another Company

M&A07/09/26title translated
DART

Debt guarantee for a third party

Filing06/26/26title translated
DART

Debt guarantee for a third party ×2

Filing06/02/26title translated
DART

Large business group status disclosure — annual and Q1, individual company

Filing06/01/26title translated
DART

Corporate governance report

Filing05/29/26title translated
DART

Sustainability report (voluntary)

Filing05/26/26title translated
DART

Debt guarantee for a third party

Filing05/19/26title translated
DART

Quarterly Report

Periodic05/18/26title translated
DART

Quarterly Report

Periodic05/15/26title translated
DART

Debt guarantee for a third party

Filing05/15/26title translated
DART

Debt guarantee for a third party

Filing05/08/26title translated
6 routine filings (insider holdings reports, IR schedules)DART

5% Ownership Report — Short Form

Ownership09/01/26title translated
DART

Investor Relations Event

IR07/30/26title translated
DART

Change in the Largest Shareholder's Holdings

Ownership06/05/26title translated
DART

Insider / Major Shareholder Holdings Report

Ownership06/05/26title translated
DART

Change in the Largest Shareholder's Holdings

Ownership05/28/26title translated
DART

Insider / Major Shareholder Holdings Report

Ownership05/28/26title translated
26 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.