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Portfolio & StrategyLeadership & Governance 18 Sep 2026

Finnish FSA approves supplement to WISA demerger prospectus; von Hertzen named CFO

The Finnish Financial Supervisory Authority has approved a supplement to the demerger and listing prospectus for WISA Group Plc, the entity UPM-Kymmene is spinning off onto Nasdaq Helsinki. The supplement confirms Lasse von Hertzen, previously interim CFO, as permanent Chief Financial Officer of WISA. The demerger is planned to complete on 31 October 2026, with WISA shares expected to start trading on 2 November 2026.

Why this mattersThe spin-off creates a separately listed entity carved out of UPM, letting investors value the unit independently of the parent group.

  • Finnish FSA approved the prospectus supplement on 18 September 2026
  • Demerger of WISA from UPM-Kymmene planned to complete 31 October 2026
  • WISA shares expected to begin trading on Nasdaq Helsinki on 2 November 2026 or shortly after
  • Lasse von Hertzen appointed permanent CFO of WISA Group Plc, having served as interim CFO
  • WISA's Group Leadership Team now comprises seven senior executives including CEO Tuija Suur-Hamari
  • Appointees remain in current UPM roles until the demerger takes effect
UPM
Sources finanznachrichten.de
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Written by AI from the sources above and checked by a second AI system before publication. No human wrote or edited this story. How it is made.

Updates

  • 2026-09-19 · Edited before publication: The regulator approved a supplement to an already published prospectus and the news is the CFO appointment; the headline overstated it as clearing the prospectus. Materiality reduced to 2, since the demerger timetable was announced earlier and is unchanged.