IS Dongseo

At a glance

IS Dongseo filed 94 disclosures in the last 12 months, including 32 5% holder, 6 contract, 2 insider, 2 buyback and 1 earnings. The most recent key filing was on Oct 14: A major holder's stake rose from 56.76% to 56.77% (related-party change).

Revenue for 2025 was ₩1.23T, down 18.5% on 2024. Operating margin was 5.5% against 11.2% a year earlier. Debt was 143% of equity at year end. The latest interim report (2026 H1) shows revenue of ₩551B and operating profit of ₩123B.

The 2025 annual report lists 357 employees with an average tenure of 8.7 years and average pay of ₩77.6M, #427 of 1,829 listed companies by average pay. Its 10 directors and auditors were paid ₩126M each on average. It paid ₩500 per common share in cash dividends, against ₩1,000 a year earlier (-50%). 아이에스지주(주) and related parties held 55.90% at year end.

Of 2 recent 5%+ holder reports, 1 raised and 0 cut a stake; the largest stake reported was 56.77% on Oct 14.

From the 2025 annual report

Staff: 357 (310 men, 47 women), of whom 20 on fixed-term contracts. Total pay for the year: ₩31.5B. Directors and auditors: 10, paid ₩1.3B in total.

Dividends (common shares)

Largest shareholder

아이에스지주(주) holds 45.53%; with 7 related parties the group holds 55.90% of common shares at year end (from 55.88% at the start of the year).

Individuals paid ₩500M or more

Auditor: 삼정회계법인 · opinion: Unqualified.

Source: 2025 annual business report (DART). How figures are combined

New contracts, last 12 months

2 new supply contracts worth 37% of the revenue stated in the filings.

Amended amounts replace the originals. Subsidiary contracts and terminations are excluded.

Financial summary

5%+ holder reports