Sporting U17: every transfer in and out, fees paid and earned, squad market value and €3m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2024-07-01 | Salvador Blopa | Sporting U17 | Sporting CP U23 | — |
| 2024-07-01 | Denilson Santos | Sporting U17 | Sporting CP U23 | — |
| 2023-07-01 | João Simões | Sporting U17 | Sporting U19 | — |
| 2023-07-01 | Geovany Quenda | Sporting U17 | Sporting CP U23 | — |
| 2023-07-01 | Gabriel Silva | Sporting U17 | Sporting U19 | — |
| 2022-09-01 | Saná Fernandes | Sporting U17 | Lazio U19 | Free |
| 2022-08-25 | Vivaldo Semedo | Sporting U17 | Udinese U19 | €3m |
| 2022-08-04 | Vladyslav Kalyn | Sporting U17 | Dynamo Kyiv U19 | Free |
| 2022-07-01 | Salvador Blopa | Sporting Sub-15 | Sporting U17 | — |
| 2022-07-01 | Rafael Nel | Sporting U17 | Sporting U19 | — |
| 2022-07-01 | Miguel Alves | Sporting U17 | Sporting U19 | — |
| 2022-07-01 | Luís Gustavo | Sporting U17 | Leiria Sub-17 | Free |
| 2022-07-01 | Leonardo Barroso | Sporting U17 | Sporting CP U23 | — |
| 2022-07-01 | João Simões | Sporting Sub-15 | Sporting U17 | — |
| 2022-07-01 | José Silva | Sporting U17 | Sporting U19 | — |
| 2022-07-01 | Henrique Arreiol | Sporting U17 | Sporting U19 | — |
| 2022-07-01 | Geovany Quenda | Sporting Sub-15 | Sporting U17 | — |
| 2022-07-01 | Gabriel Silva | Sporting Sub-15 | Sporting U17 | — |
| 2022-07-01 | Denilson Santos | Sporting Sub-15 | Sporting U17 | — |
| 2022-07-01 | Alexandre Brito | Sporting U17 | Sporting U19 | — |