Jon Fredrik Mostraum • 1979 • Hjelmås • 11 roles • 5 shareholdings

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Roles

Management

Name	Role	Total operating income	Total equity	Shares
R ROSLAGEN CHARTERING AS	Managing Director/CEO	112,102,338	6,599,574	70 % indirectly
H HJELMÅS MEKANISKE VERKSTED AS	Managing Director/CEO	2,778,090	380,109	70 % indirectly
M MOSTRAUM MANAGEMENT AS	Managing Director/CEO	32,849,509	4,410,143	70 % indirectly
D DANTIC AS Closed	Managing Director/CEO	21,196,004	7,515,901	-

Boards

Name	Role	Total operating income	Total equity	Shares
R ROSLAGEN CHARTERING AS	Chairman	112,102,338	6,599,574	70 % indirectly
H HJELMÅS MEKANISKE VERKSTED AS	Chairman	2,778,090	380,109	70 % indirectly
M MOSTRAUM HOLDING AS	Chairman	-	16,486,473	70 % directly
R ROSLAGEN SHIPPING AS	Chairman	79,595,727	29,486,932	70 % indirectly
M MOSTRAUM MANAGEMENT AS	Chairman	32,849,509	4,410,143	70 % indirectly
O OCEANBYTE AS	Board Member	-	-	-
D DANTIC AS Closed	Chairman	21,196,004	7,515,901	-

Last update: Feb 21, 2026

Related industries

3

Transport
Shipping
Industry and manufacturing
Tools
Services
Labor force

Direct relationships

1

MM
Mary-Ann Mostraum1981
DANTIC AS, ROSLAGEN CHARTERING AS, HJELMÅS MEKANISKE VERKSTED AS, MOSTRAUM HOLDING AS, ROSLAGEN SHIPPING AS, MOSTRAUM MANAGEMENT AS, OCEANBYTE AS

Shares owned by Jon Fredrik Mostraum

Name	Share class	Total operating income	Total equity	Share
M MOSTRAUM HOLDING AS	Ordinære aksjer	0	16,486,473	70 % directly
R ROSLAGEN CHARTERING AS		112,102,338	6,599,574	70 % indirectly
H HJELMÅS MEKANISKE VERKSTED AS		2,778,090	380,109	70 % indirectly
R ROSLAGEN SHIPPING AS		79,595,727	29,486,932	70 % indirectly
M MOSTRAUM MANAGEMENT AS		32,849,509	4,410,143	70 % indirectly

Limited to direct ownership positions of 0.5% or more.

Last update: Jun 2, 2025