Thomas Ulf Edvard Helleday

Board of Directors, One-carbon Holding AB

Kevinge Strand 7 ASE4 active roles

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directorships & management

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Kevinge Strand 7 A

Company	Role	Period	Ownership	Status
One-carbon Holding AB CVR 5568817224	BoardBoard of Directors	Since 2025	—	Active
Oxcia AB CVR 5569324717	BoardBoard of Directors	Since 2020	—	Active
One-carbon Therapeutics AB CVR 5592135122	BoardBoard of Directors	Since 2021	—	Active
Cyclic Therapeutics AB CVR 5595087791	BoardBoard of Directors	Since 2025	—	Active

Person	Role	Shared companies	Profile
UK Ulrika Kristina Berglund	Chairman	3companies	View profile
EG Emil Gustav André Lindmark	Deputy Board Member	3companies	View profile
JG Jan Gustaf Zetterberg	Chief Executive Officer	3companies	View profile
OH Olof Håkan Nordlander	Deputy Board Member	2companies	View profile
AE Annika Elisabeth Jenmalm Jensen	Board of Directors	1company	View profile

Company	Role	Period	Ownership	Status
One-carbon Holding AB CVR 5568817224	BoardBoard of Directors	Since 2025	—	Active
Oxcia AB CVR 5569324717	BoardBoard of Directors	Since 2020	—	Active
One-carbon Therapeutics AB CVR 5592135122	BoardBoard of Directors	Since 2021	—	Active
Cyclic Therapeutics AB CVR 5595087791	BoardBoard of Directors	Since 2025	—	Active

Person	Role	Shared companies	Profile
UK Ulrika Kristina Berglund	Chairman	3companies	View profile
EG Emil Gustav André Lindmark	Deputy Board Member	3companies	View profile
JG Jan Gustaf Zetterberg	Chief Executive Officer	3companies	View profile
OH Olof Håkan Nordlander	Deputy Board Member	2companies	View profile
AE Annika Elisabeth Jenmalm Jensen	Board of Directors	1company	View profile