000640 - Dong-A Socio Holdings

000640 Summary
Holding Companies
Stock Price & Overview
₩92,600 -1,400 (-1.49%) Close · Sep 4, 2026 KST
KOSPI | ₩KRW | Close: ₩92,600  ≈ US$66  ·  Market cap ₩0.6tn (≈ $445m)
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 »

000640 DART Filings

DART

Debt guarantee for a third party

Filing09/04/26title translated
ks

Dong-A Socio Unit Signs ₩13.7 Billion Drug-Manufacturing Contract

Dong-A Socio Holdings subsidiary BTGen signed a ₩13.66 billion contract to manufacture pharmaceuticals for an unnamed global drug company. The value equals 13.2% of BTGen's 2025 separate-basis revenue. The customer will pay a ₩1.05 billion advance and make further payments as requested work is completed. The contract runs through June 30, 2027, but the end date may change by agreement.

Contract08/28/26kstock explained
₩13.7bn≈ $10m
DART

Half-Year Report

Periodic08/14/26title translated
DART

Increase in short-term borrowings (subsidiary)

Filing08/13/26title translated
DART

Record date set, shareholder register closed

Filing08/13/26title translated
DART

Resolution to convene a general meeting of shareholders

Filing08/13/26title translated
DART

Debt guarantee for a third party

Filing08/13/26title translated
DART

Material event report (merger)

Filing07/27/26title translated
DART

Preliminary Consolidated Results (Fair Disclosure)

Earnings07/27/26title translated
DART

Record date set, shareholder register closed

Filing07/23/26title translated
DART

Material event report (merger)

Filing07/23/26title translated
DART

Advance notice of results disclosure (notice)

Filing07/23/26title translated
DART

Sustainability report (voluntary)

Filing07/20/26title translated
DART

Dividend Declared

Dividend07/16/26title translated
DART

Record Date Set for a Dividend

Dividend07/16/26title translated
DART

Single Supply Contract Signed

Contract07/10/26title translated
DART

Disposal of tangible assets (subsidiary)

Filing06/30/26title translated
DART

Information security status (voluntary)

Filing06/18/26title translated
DART

Sustainability report (voluntary)

Filing06/18/26title translated
DART

Corporate governance report

Filing05/29/26title translated
DART

Quarterly Report

Periodic05/15/26title translated
8 routine filings (insider holdings reports, IR schedules)DART

Insider / Major Shareholder Holdings Report

Ownership09/02/26title translated
DART

5% Ownership Report — Large Holdings

Ownership09/02/26title translated
DART

Change in the Largest Shareholder's Holdings

Ownership09/02/26title translated
DART

5% Ownership Report — Large Holdings

Ownership08/27/26title translated
DART

Investor Relations Event

IR07/27/26title translated
DART

Investor Relations Event

IR07/23/26title translated
DART

Insider / Major Shareholder Holdings Report

Ownership07/07/26title translated
DART

Insider / Major Shareholder Holdings Report

Ownership07/02/26title translated
29 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.