Sten Arne Wamstad is a private shareholder. Sten Arne Wamstad holds a stake in 1 company.

Companies Sten Arne Wamstad owns

Company	Stake
XO TRANSPORT & SERVICE AS	20.0%

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