Ramirez claimed repeatedly this week he would be joining Saints.
"There are no negotiations for Ramirez. Either he goes on our conditions or he stays here," declared President Guaraldi on Sky Sport Italia.
"He is a player wanted above all abroad, but we want 15m net. Any other players included in the move have to be very interesting for us to accept them.
"Southampton did not give us guarantees and the talks for Ramirez's transfer have been interrupted."