The Finnish Financial Supervisory Authority has approved a supplement to WISA Group Plc's demerger and listing prospectus

HELSINKI, Aug. 17, 2026 /PRNewswire/ -- UPM-Kymmene Corporation Stock Exchange Release (Other information disclosed according to the rules of the exchange) August 17, 2026 at 16:00 EEST The Finnish Financial Supervisory Authority has approved a supplement to WISA Group Plc's demerger and...