ILSUNG IS CO., LTD.

일성아이에스(주) · KOSPI: 003120 · Pharmaceuticals and medicinal chemicals

Key facts

Korean name: 일성아이에스(주)
Market / ticker: KOSPI · 003120
Industry: Pharmaceuticals and medicinal chemicals
Established: 1961-02-15
Fiscal year ends: December
Website: www.ilsungis.com
DART corp code: 00146214
Latest revenue: ₩64.3B (FY2025)

Items worth checking

medium

Operating loss in both FY2024 and FY2025.

Source: Annual report FY2025

Financial summary

KRW	FY2023	FY2024	FY2025
Revenue	₩78.1B	₩69.0B	₩64.3B
Operating income	−₩8.0B	−₩9.5B	−₩6.2B
Net income	−₩20.9B	₩13.1B	₩1.2B
Total assets	₩419.2B	₩396.9B	₩403.0B
Total liabilities	₩36.4B	₩11.7B	₩16.7B
Total equity	₩382.8B	₩385.1B	₩386.3B
Share capital	₩13.3B	₩13.3B	₩13.3B

Separate statements · FY2025 operating margin -9.6% · liabilities to equity 4% · Annual report FY2025 (Korean original)

Auditor opinions

Period	Auditor	Opinion
Term 66 (current)	우리회계법인	Unqualified
Term 65 (prior)	우리회계법인	Unqualified
Term 64 (two years prior)	우리회계법인	Unqualified

Largest shareholder history

No change history reported in the latest annual report.

Recent filings

Date	Filing	Original
2026-08-14	Half-year report (2026.06)	DART
2026-07-23	Large shareholding (5%+) report	DART
2026-07-23	Change in shareholdings of largest shareholder	DART
2026-07-14	Decision to dispose of tangible assets	DART
2026-06-01	Corporate governance report	DART
2026-05-15	Quarterly report (2026.03)	DART
2026-03-27	Corporate value-up plan (voluntary)	DART
2026-03-26	Annual general meeting results	DART
2026-03-18	Annual report (2025.12)	DART
2026-03-18	Audit report submitted	DART
2026-03-11	Notice of shareholders meeting	DART
2026-02-25	Cash / in-kind dividend decision	DART
2026-02-25	Resolution to convene shareholders meeting	DART
2026-02-03	Revenue or profit structure changed materially	DART
2025-12-15	Record date / shareholder register closure set	DART
2025-11-14	Quarterly report (2025.09)	DART
2025-11-06	Treasury share disposal results report	DART
2025-11-05	Material event report — Treasury share disposal decision	DART

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Other Korean companies in Pharmaceuticals and medicinal chemicals

AHN-GOOK PHARMACEUTICAL Co., Ltd. KOSDAQ 001540
Aprogen Biologics Inc. KOSPI 003060
Aprogen, Inc KOSPI 007460
Boryung Corporation KOSPI 003850
BUKWANG PHARMACEUTICAL IND CO.,LTD KOSPI 003000
CHONGKUNDANG HOLDINGS CORP. KOSPI 001630

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.