Cathrine Karlsen Østby is a private shareholder. Cathrine Karlsen Østby holds a stake in 1 company.

Companies Cathrine Karlsen Østby owns

Company	Stake
STANDARDS DIGITAL AS	0.3%

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 03.10.2026.