Lightron Fiber-Optic Devices

At a glance

Lightron Fiber-Optic Devices filed 120 disclosures in the last 12 months, including 17 5% holder, 7 issuance, 6 insider and 1 m&a. The most recent key filing was on Oct 27: An insider sold 3,857,000 sh on the market at an average ₩3,706, Oct 20–27.

Revenue for 2025 was ₩31.8B, up 75.2% on 2024. It made an operating loss of ₩16.5B. Debt was 57% of equity at year end. The latest interim report (2026 H1) shows revenue of ₩11.4B and operating loss of ₩3.8B.

The 2025 annual report lists 66 employees with an average tenure of 11.7 years and average pay of ₩68.7M, #636 of 1,829 listed companies by average pay. Its 14 directors and auditors were paid ₩70M each on average. It paid no cash dividend for 2025. 케이헤드조합 and related parties held 19.62% at year end.

Of 3 recent 5%+ holder reports, 0 raised and 2 cut a stake; the largest stake reported was 29.01% on Oct 8.

From the 2025 annual report

Staff: 66 (50 men, 16 women), of whom 5 on fixed-term contracts. Total pay for the year: ₩4.6B. Directors and auditors: 14, paid ₩981M in total.

No cash dividend was paid for 2025.

Largest shareholder

케이헤드조합 holds 19.62%; with 0 related parties the group holds 19.62% of common shares at year end (from 0.00% at the start of the year).

Auditor: 삼정회계법인 · opinion: Unqualified.

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

Financial summary

5%+ holder reports