420770 - Giga Vis Co., Ltd.

420770 Summary
Machinery
Stock Price & Overview
₩101,200 +1,300 (+1.30%) Close · Sep 4, 2026 KST
KOSDAQ | ₩KRW | Close: ₩101,200  ≈ US$72  ·  Market cap ₩1.3tn (≈ $916m)
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 »

420770 DART Filings

ks

Gigavis wins ₩9bn Japanese substrate inspection and repair order

Gigavis signed a ₩8.95bn contract for semiconductor substrate inspection and repair equipment. The order equals 17.08% of FY2025 consolidated revenue. An unnamed Japanese substrate manufacturer is the buyer. The contract runs from August 18, 2026 through September 30, 2027. Payments comprise 30% upfront, 60% intermediate and a 10% balance. The value and period may change.

Contract08/19/26kstock explained
₩9.0bn≈ $6m
DART

Half-Year Report

Periodic08/14/26title translated
DART

Head office moved

Filing08/13/26title translated
DART

Single Supply Contract Signed

Contract08/11/26title translated
DART

Single Supply Contract Signed

Contract07/30/26title translated
DART

Single Supply Contract Signed

Contract07/29/26title translated
DART

Single Supply Contract Signed

Contract07/24/26title translated
DART

Single Supply Contract Signed

Contract07/07/26title translated
DART

Single Supply Contract Signed

Contract07/06/26title translated
DART

Trading plan report by an officer or major shareholder

Filing06/26/26title translated
DART

Single Supply Contract Signed

Contract06/15/26title translated
DART

Single Supply Contract Signed

Contract06/04/26title translated
DART

Quarterly Report

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

Insider / Major Shareholder Holdings Report

Ownership07/29/26title translated
DART

Insider / Major Shareholder Holdings Report

Ownership07/08/26title translated
DART

Insider / Major Shareholder Holdings Report

Ownership07/02/26title translated
DART

Insider / Major Shareholder Holdings Report

Ownership06/29/26title translated
DART

Insider / Major Shareholder Holdings Report

Ownership06/26/26title translated
DART

Insider / Major Shareholder Holdings Report

Ownership06/17/26title translated
DART

Insider / Major Shareholder Holdings Report

Ownership06/09/26title translated
DART

Insider / Major Shareholder Holdings Report

Ownership06/08/26title translated
DART

5% Ownership Report — Large Holdings

Ownership06/05/26title translated
DART

Insider / Major Shareholder Holdings Report

Ownership06/04/26title translated
DART

Insider / Major Shareholder Holdings Report

Ownership05/22/26title translated
DART

Insider / Major Shareholder Holdings Report ×2

Ownership05/14/26title translated
DART

Insider / Major Shareholder Holdings Report

Ownership05/07/26title 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.