Sébastien Lang

citizen of Hitzkirch, Porrentruy

Commercial register

Althima Holding SA

Member of the board of directors · sole signature · Porrentruy

since Oct 13, 2026
Louis Lang Développement SA

Member of the board of directors · joint signature by two · Porrentruy

since May 18, 2026
Fédération de l'industrie horlogère suisse FH

Member of the committee · no signing authority · Biel/Bienne

since Jul 14, 2020
Fondation patronale de financement de mesures de prévoyance de Louis Lang SA

Chair of the board of directors · joint signature by two · Porrentruy

since Dec 10, 2013
Fondation patronale pour le financement de mesures complémentaires de prévoyance en faveur des cadres de Louis Lang SA

Chair of the board of directors · joint signature by two · Porrentruy

since Dec 10, 2013
Louis Lang Holding SA

Member of the board of directors · joint signature by two · Porrentruy

since Jan 18, 2013
Louis Lang S.A.

Vice-chair of the board of directors · Delegate of the board of directors · sole signature · Porrentruy

Member of the board of directors · Director · joint signature by two

until May 18, 2026

Member of the board of directors · joint signature by two

until Oct 6, 2021