SSC Napoli (Serie A): every transfer in and out, fees paid and earned, squad market value, €1192m spent and €715m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-30 | Coli Saco | SSC Napoli | Riga | Free |
| 2026-07-01 | Vanja Milinković-Savić | Torino | Napoli | €6m |
| 2026-07-01 | Rasmus Højlund | Man Utd | Napoli | €44m |
| 2026-07-01 | Juan Jesus | Napoli | Without Club | — |
| 2026-07-01 | Giovanni Simeone | Napoli | Torino | €7.2m |
| 2026-07-01 | Alisson Santos | Sporting | Napoli | €17m |
| 2026-02-02 | Alisson Santos | Sporting | Napoli | Loan |
| 2026-01-31 | Luca Marianucci | Napoli | Torino | Loan |
| 2026-01-31 | Cyril Ngonge | Napoli | Espanyol | Loan |
| 2026-01-26 | Coli Saco | Napoli | Casertana | Loan |
| 2026-01-24 | Giovane | Hellas Verona | Napoli | €2m |
| 2026-01-23 | Noa Lang | Napoli | Galatasaray | Loan |
| 2026-01-23 | Lorenzo Lucca | Napoli | Nott'm Forest | Loan |
| 2026-01-22 | Walid Cheddira | Napoli | Lecce | Loan |
| 2026-01-22 | Lorenzo Lucca | Udinese | Napoli | €26m |
| 2025-09-09 | Coli Saco | Napoli | Yverdon Sport | Loan |
| 2025-09-01 | Walid Cheddira | Napoli | Sassuolo | Loan |
| 2025-09-01 | Rasmus Højlund | Man Utd | Napoli | Loan |
| 2025-09-01 | Luis Hasa | Napoli | Carrarese | Loan |
| 2025-09-01 | Eljif Elmas | Leipzig | Napoli | Loan |