Sporting Sub-15: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2022-07-01 | Salvador Blopa | Sporting Sub-15 | Sporting U17 | — |
| 2022-07-01 | João Simões | Sporting Sub-15 | Sporting U17 | — |
| 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 | — |
| 2021-07-01 | Saná Fernandes | Sporting Sub-15 | Sporting U17 | — |
| 2021-07-01 | Miguel Alves | Sporting Sub-15 | Sporting U17 | — |
| 2021-07-01 | Luís Gustavo | Sporting Sub-15 | Sporting U17 | — |
| 2020-07-01 | Vivaldo Semedo | Sporting Sub-15 | Sporting U17 | — |
| 2020-07-01 | Salvador Blopa | Sporting Yth. | Sporting Sub-15 | — |
| 2020-07-01 | Rodrigo Ribeiro | Sporting Sub-15 | Sporting U17 | — |
| 2020-07-01 | Rafinha | Sporting Sub-15 | SC Farense Y15 | — |
| 2020-07-01 | Leonardo Barroso | Sporting Sub-15 | Sporting U17 | — |
| 2020-07-01 | João Simões | Sporting Yth. | Sporting Sub-15 | — |
| 2020-07-01 | João Muniz | Sporting Sub-15 | Sporting U17 | — |
| 2020-07-01 | José Silva | Sporting Sub-15 | Sporting U17 | — |
| 2020-07-01 | Henrique Arreiol | Sporting Sub-15 | Sporting U17 | — |
| 2020-07-01 | Gabriel Silva | Sporting Yth. | Sporting Sub-15 | — |
| 2020-07-01 | Francisco Silva | Sporting Sub-15 | Sporting U17 | — |
| 2020-07-01 | Denilson Santos | Sporting Yth. | Sporting Sub-15 | — |