FERROVIAL, S.A. desde 20/10/2017 hasta 20/10/2017 20/10/2017 13:42 FERROVIAL, S.A. Buy-back programmes, stabilisation and treasury stock Transactions carried out by Ferrovial, S.A. under its share buy-back programme between 16 and 19 October 2017 Número de registro: 257630