Seoul Electronics & Telecom: Q1 Revenue Down, Operating Loss Widens, Litigation Risk Persists


  • Q1 2026 consolidated revenue ₩5.9B (down 32.6% YoY), operating loss ₩0.75B (widened from ₩0.19B loss), net loss ₩0.48B (improved from ₩4.15B loss).
  • Debt ratio 280.97% (improved from 351.12% at end-2025), net debt ratio 31.22% (improved from 41.17%).
  • Major litigation: claim of ₩8.04B filed by AB Pro Bio, pending appeal, litigation provision of ₩9.5B recognized.
  • ODM segment utilization 21% (low), Power segment utilization 82.3%.
  • Inventory ₩5.02B, accumulated impairment losses on property, plant & equipment ₩5.81B.
  • Subsidiary SET VINA capital impaired, company provides USD 3.8M guarantee.
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KOSDAQ Filing Information


  • Filing: Quarterly Report (2026.03)
  • Company: Seoul Electronics & Telecom (027040)
  • Submission: Seoul Electronics & Telecom
  • Receipt: 05-15-2026