Korea FilingsFull brief — $39

3S KOREA CO., LTD

(주)삼에스코리아 · KOSDAQ: 060310 · Medical, precision and optical instruments

Key facts

Korean name
(주)삼에스코리아
Market / ticker
KOSDAQ · 060310
Industry
Medical, precision and optical instruments
Established
1991-01-28
Fiscal year ends
March
Website
www.3sref.com
DART corp code
00378363
Latest revenue
₩29.0B (FY2025)

Items worth checking

medium
Revenue fell 33% from FY2024 to FY2025.
medium
Reverse stock split decided — filed 2026-09-14.
medium
Litigation filed or ruled — filed 2025-11-12.

Financial summary

KRWFY2023FY2024FY2025
Revenue₩41.9B₩43.6B₩29.0B
Operating income₩2.2B₩1.2B−₩5.8B
Net income₩1.4B₩2.6B−₩10.0B
Total assets₩67.6B₩63.8B₩74.8B
Total liabilities₩21.7B₩15.4B₩25.3B
Total equity₩46.0B₩48.4B₩49.5B
Share capital₩24.3B₩24.3B₩26.5B

Consolidated statements · FY2025 operating margin -20.1% · liabilities to equity 51% · Annual report FY2025 (Korean original)

Auditor opinions

PeriodAuditorOpinion
Term 35 (current)광교회계법인Unqualified
Term 34 (prior)신한회계법인Unqualified
Term 33 (two years prior)신한회계법인Unqualified

Largest shareholder history

DateLargest shareholder (Korean)StakeCause (Korean)
2025년 03월 31일한국웨이퍼홀딩스장내매수

Recent filings

DateFilingOriginal
2026-09-14Record date / shareholder register closure setDART
2026-09-14Resolution to convene shareholders meetingDART
2026-09-14Reverse stock split decisionDART
2026-09-03Officer / major shareholder ownership reportDART
2026-08-12Quarterly report (2026.06)DART
2026-06-30Officer / major shareholder ownership reportDART
2026-06-30Large shareholding (5%+) reportDART
2026-06-25Annual general meeting resultsDART
2026-06-23Officer / major shareholder ownership reportDART
2026-06-17Annual report (2026.03)DART
2026-06-17Adjustment of conversion priceDART
2026-06-17Audit report submittedDART
2026-06-10Notice of shareholders meetingDART
2026-06-10Proxy solicitation reference documentDART
2026-06-10Amended: Revenue or profit structure changed materiallyDART
2026-06-02Amended: Resolution to convene shareholders meetingDART
2026-05-27Resolution to convene shareholders meetingDART
2026-05-27Revenue or profit structure changed materiallyDART
2026-03-17Adjustment of conversion priceDART
2026-03-13Record date / shareholder register closure setDART

Showing the 20 most recent of 28 filings. The full brief lists all of them.

Full brief on 3S KOREA CO., LTD — $39 Get the full brief

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Other Korean companies in Medical, precision and optical instruments

Data generated 2026-09-16 from OpenDART.

This page summarizes public filings from DART, the official electronic disclosure system of Korea. It is not investment, credit or legal advice. Figures are shown in the currency the company reports in. Titles and labels are machine-translated and may contain errors — always check the linked original filing. Source: OpenDART, Financial Supervisory Service, Korea.