| - | Atalanta | Follonica Gavorrano | Loan | |
| - | Atalanta | Pordenone | Loan | |
| - | Atalanta | Carrarese | Loan | |
07 Apr2019 | Atalanta | Pontedera | Loan | |
| - | Atalanta | Piacenza | Loan | |
| - | Atalanta | Carrarese | Loan | |
| - | Atalanta | Aquila Montevarchi | Loan | |
| - | Atalanta | Carrarese | Free Transfer |
S. Mazzini transfer history tracks all club moves during the professional career, including transfer dates and teams involved.