Osvald Ringstad is a private shareholder. Osvald Ringstad holds a stake in 1 company, and roles in several others.

Companies Osvald Ringstad owns

Company	Stake
FILTRA HOLDING AS	100.0%

Roles

Daglig leder

3 selskaper

FILTRA AS 989540750

FILTRA HOLDING AS 997707508

FILTRA EIENDOM AS 838440452

Styrets leder

2 selskaper

FILTRA HOLDING AS 997707508

FILTRA EIENDOM AS 838440452

Active roles recorded in the Register of Business Enterprises / the Central Coordinating Register

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