A year ago, it posted a net profit of 2.4 million euros, dented by supply chain disruptions and rising finance costs.
In March, the Hungarian consortium Ganz-Mavag launched a €619 million ($677 million) takeover bid for Talgo shares.
(1 dollar = 0.9283 euros)
(Reporting by Matteo Allievi, editing by Andrei Khalip; edited in Spanish by Tomás Cobos)