OptiCore
At a glance
OptiCore filed 69 disclosures in the last 12 months, including 9 insider, 5 5% holder and 3 contract. The most recent key filing was on Aug 19: A major holder's stake fell from 5.02% to 0.00% (conversion/exercise).
Revenue for 2025 was ₩21.5B, down 7.7% on 2024. It made an operating loss of ₩5.9B. Debt was 202% of equity at year end. The latest interim report (2026 H1) shows revenue of ₩15.3B and operating loss of ₩2.5B.
The 2025 annual report lists 38 employees with an average tenure of 2.9 years and average pay of ₩72.5M. Its 4 directors and auditors were paid ₩49.8M each on average. It paid no cash dividend for 2025. 블랙마운틴홀딩스(주) and related parties held 17.91% at year end.
Of 5 recent 5%+ holder reports, 2 raised and 3 cut a stake; the largest stake reported was 17.87% on May 13.
From the 2025 annual report
Staff: 38 (29 men, 9 women), of whom 0 on fixed-term contracts. Total pay for the year: ₩2.6B. Directors and auditors: 4, paid ₩547.7M in total.
No cash dividend was paid for 2025.
Largest shareholder
블랙마운틴홀딩스(주) holds 17.91%; with 0 related parties the group holds 17.91% of common shares at year end (from 22.62% at the start of the year).
Auditor: 한울회계법인 · opinion: Disclaimer of opinion.
Source: 2025 annual business report (DART). How figures are combined
New contracts, last 12 months
2 new supply contracts worth 28% of the revenue stated in the filings.
Amended amounts replace the originals. Subsidiary contracts and terminations are excluded.
Financial summary
5%+ holder reports
Key filings
Other filings
Links open the original filing on DART, in Korean.