The Italy International is moving to La Dea for € 12-14 million.
Maldini only came to Monza in the summer of AC Milan and has now moved to Atalanta.
The young attacker has signed a deal with Atalanta until 2029.
This season Maldini has taken into account three goals and one assist in 20 performances, 16 of which have started, in the Serie A.