NATURGY ENERGY GROUP, S.A. desde 20/05/2019 hasta 20/05/2019 20/05/2019 09:40 NATURGY ENERGY GROUP, S.A. Buy-back programmes, stabilisation and treasury stock Transactions carried out by Naturgy Energy Group S.A. under its Share buy-back programme between May 13 and 17, 2019 Número de registro: 278396