Plumbfast Q1 2026 Consolidated Operating Loss of 3.3 Billion Won… Plans to Cancel All Treasury Shares


  • Consolidated Q1 2026 revenue: 5.18 billion won (↓21% YoY), operating loss 0.33 billion won, net loss 0.33 billion won (vs net profit 0.14 billion won in Q1 2025).
  • Debt ratio 13.57%, financial structure sound, cash and cash equivalents 2.93 billion won.
  • Treasury share cancellation plan: sequential cancellation of all 2,147,689 treasury shares (acquisition cost 6.99 billion won) as per the value-up program announced on March 27, 2026.
  • Wholly owned subsidiary Langfang Dongyang Pipe Co., Ltd. (China) recorded net profit of 0.24 billion won this quarter.
  • Main raw material PB (polybutylene) exclusively supplied by Mitsui Chemicals (Japan), exposed to FX and oil price risk.

KOSDAQ Filing Information


  • Filing: Quarterly Report (2026.03)
  • Company: PLUMB FAST (035200)
  • Submission: PLUMB FAST CO., LTD.
  • Receipt: 05-15-2026