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Y-Biologics

와이바이오로직스 · 338840 · KOSDAQ
Filings, last 12 months
69
Supply contracts
0
Insider reports
20
Share & bond issues
0

At a glance

Y-Biologics filed 69 disclosures in the last 12 months, including 20 insider and 9 5% holder. The most recent key filing was on Oct 20: CEO bought 6,375 sh on the market at an average ₩7,017, Oct 16–20.

Revenue for 2025 was ₩2.9B, down 49.5% on 2024. It made an operating loss of ₩9.3B. Debt was 110% of equity at year end. The latest interim report (2026 H1) shows revenue of ₩1.8B and operating loss of ₩7.7B.

The 2025 annual report lists 58 employees with an average tenure of 4.5 years and average pay of ₩60.4M, #1124 of 2,191 listed companies by average pay. Its 5 directors and auditors were paid ₩180M each on average. It paid no cash dividend for 2025. 박영우 and related parties held 29.21% at year end.

Of 5 recent 5%+ holder reports, 4 raised and 1 cut a stake; the largest stake reported was 30.60% on Oct 1.

From the 2025 annual report

Employees
58
Average pay
₩60.4M
Average tenure
4.5 yrs
Avg. director pay
₩180M

Staff: 58 (24 men, 34 women), of whom 2 on fixed-term contracts. Total pay for the year: ₩3.5B. Directors and auditors: 5, paid ₩901M in total.

No cash dividend was paid for 2025.

Largest shareholder

박영우 holds 23.17%; with 3 related parties the group holds 29.21% of common shares at year end (from 29.37% at the start of the year).

Auditor: 동성회계법인 · opinion: Unqualified.

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

Financial summary

2023
Revenue ₩3.5B
Op. profit -₩10.1B
Debt/equity 29%
2024
Revenue ₩5.8B
Op. profit -₩8.4B
Debt/equity 18%
2025
Revenue ₩2.9B
Op. profit -₩9.3B
Debt/equity 110%
2026 H1
Revenue ₩1.8B
Op. profit -₩7.7B
Debt/equity 192%
RevenueOperating profitOperating lossConsolidated where available · from periodic reports

5%+ holder reports

10/1Stake 30.60%+0.90pp
8/5Stake 29.70%+0.03pp
7/23Stake 29.67%+0.02pp
7/9Stake 29.65%-0.75pp
7/1Stake 30.40%+0.12pp

Key filings

12/30IssuanceAmendedConvertible bond issue
12/185% holderReport of 5%+ holding

Other filings

Links open the original filing on DART, in Korean.