Korea FilingsFull brief — $39

DI CORPORATION

(주)디아이 · KOSPI: 003160 · Medical, precision and optical instruments

Key facts

Korean name
(주)디아이
Market / ticker
KOSPI · 003160
Industry
Medical, precision and optical instruments
Established
1961-03-16
Fiscal year ends
December
Website
www.di.co.kr
DART corp code
00118275
Latest revenue
₩432.3B (FY2025)

Items worth checking

medium
Decision to issue convertible / warrant / exchangeable bonds — the filing states whether new or treasury shares back it — filed 2025-11-13.

Financial summary

KRWFY2023FY2024FY2025
Revenue₩214.5B₩214.0B₩432.3B
Operating income₩6.1B₩3.1B₩36.5B
Net income₩2.0B₩2.8B₩13.5B
Total assets₩280.6B₩319.6B₩373.8B
Total liabilities₩119.3B₩151.9B₩187.9B
Total equity₩161.2B₩167.7B₩185.9B
Share capital₩17.2B₩17.2B₩17.2B

Consolidated statements · FY2025 operating margin 8.4% · liabilities to equity 101% · Annual report FY2025 (Korean original)

Auditor opinions

PeriodAuditorOpinion
Term 65 (current)삼일회계법인Unqualified
Term 64 (prior)이촌회계법인Unqualified
Term 63 (two years prior)이촌회계법인Unqualified

Largest shareholder history

No change history reported in the latest annual report.

Recent filings

DateFilingOriginal
2026-09-07Large shareholding (5%+) reportDART
2026-08-20Investor relations event (notice)DART
2026-08-14Half-year report (2026.06)DART
2026-08-07Other management matter (voluntary)DART
2026-08-03Preliminary consolidated operating results (fair disclosure)DART
2026-07-30Amended: Single sales / supply contract signed (voluntary)DART
2026-07-02Single sales / supply contract signed (voluntary)DART
2026-06-17Single sales / supply contract signedDART
2026-06-10Single sales / supply contract signed (voluntary)DART
2026-06-10Single sales / supply contract signedDART
2026-06-05Investor relations event (notice)DART
2026-06-05Amended: Annual report (2025.12)DART
2026-06-05Large shareholding (5%+) reportDART
2026-06-01Corporate governance reportDART
2026-05-15Quarterly report (2026.03)DART
2026-03-30Other management matter (voluntary)DART
2026-03-20Corporate value-up plan (voluntary)DART
2026-03-20Independent director appointment / dismissal / resignationDART
2026-03-20Annual general meeting resultsDART
2026-03-12Annual report (2025.12)DART

Showing the 20 most recent of 46 filings. The full brief lists all of them.

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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.