Karl Christian Sandstø • 1983 • Gjettum • 7 roles • 5 shareholdings

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Roles

Management

Name	Role	Total operating income	Total equity	Shares
B BULDRTECH AS	Managing Director/CEO	288,995	-332,440	100 % indirectly
I IONSPIRE MATERIALS AS	Managing Director/CEO	761,500	-43,756	-

Boards

Name	Role	Total operating income	Total equity	Shares
A ATTRITUS AS	Chairman	-	9,552	100 % directly
B BULDRTECH AS	Chairman	288,995	-332,440	100 % indirectly
S SFIT HELSE AS	Board Member	756,317	164,097	33.44 % directly
K KONSTELLA AS Closed	Chairman	1,500	27,380	-
I IONSPIRE MATERIALS AS	Chairman	761,500	-43,756	-

Last update: Feb 4, 2026

Related industries2

Direct relationships2

HR
Heidi Rosasen Sandstø1983
SFIT HELSE AS
LC
Lars Christian Sandstø1958
SFIT HELSE AS

Shares owned by Karl Christian Sandstø

Name	Share class	Total operating income	Total equity	Share
A ATTRITUS AS	Ordinære aksjer	0	9,552	100 % directly
V VALLER GEN2 AS		-1,500	26,337	100 % indirectly
B BULDRTECH AS		288,995	-332,440	100 % indirectly
S SFIT HELSE AS	Ordinære aksjer	756,317	164,097	33.44 % directly
Z ZELLUNA ASA	NO0010851603	6,110,000	300,420,000	< 0.01 % directly

Limited to direct ownership positions of 0.5% or more.

Last update: Jun 2, 2025