Sampdoria U19: every transfer in and out, fees paid and earned, squad market value, €1.9m spent.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2023-08-29 | Charalampos Georgiadis | PAOK U19 | Sampdoria U19 | Loan |
| 2023-01-02 | Flavio Paoletti | Sampdoria U19 | Sampdoria | — |
| 2022-08-31 | Samuli Miettinen | KuPS | Sampdoria U19 | Loan |
| 2022-08-10 | Telasco Segovia | Deportivo Lara | Sampdoria U19 | Loan |
| 2022-01-10 | Filippo Mane | Sampdoria U19 | B. Dortmund U19 | Free |
| 2021-07-01 | Giovanni Bonfanti | Atalanta U18 | Sampdoria U19 | Loan |
| 2021-07-01 | Filippo Mane | Sampdoria Yth | Sampdoria U19 | — |
| 2021-07-01 | Adam Obert | Sampdoria U19 | Cagliari | Free |
| 2020-09-01 | Kaique Rocha | Sampdoria U19 | Sampdoria | — |
| 2020-09-01 | Flavio Paoletti | Sampdoria U17 | Sampdoria U19 | — |
| 2020-07-01 | Adam Obert | Sampdoria U18 | Sampdoria U19 | — |
| 2019-09-01 | Kaique Rocha | Santos | Sampdoria U19 | €1.3m |
| 2019-08-02 | Markus Soomets | Sampdoria U19 | JK Tammeka | Free |
| 2018-01-31 | Markus Soomets | Santos Tartu | Sampdoria U19 | €35k |
| 2017-08-01 | Roberts Veips | Sampdoria U17 | Sampdoria U19 | — |
| 2015-08-05 | Giedrius Matulevičius | FK Svyturys | Sampdoria U19 | Loan |
| 2015-07-01 | Karlo Lulić | Sampdoria U19 | Sampdoria | — |
| 2015-02-02 | Jakub Hromada | Sampdoria U19 | Pro Vercelli | Free |
| 2015-02-01 | Jakub Hromada | Juventus U19 | Sampdoria U19 | €600k |
| 2014-09-23 | Karlo Lulić | NK Osijek | Sampdoria U19 | Free |