Leixões U19: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2022-01-21 | Marciano Sanca | Leixões U19 | UD Almería B | — |
| 2020-07-01 | Hélder Morim | Leixões U19 | Leixões U23 | — |
| 2019-07-01 | Gonçalo Franco | Leixões U19 | Leixões | — |
| 2019-01-31 | Jean Onana | Nkufo Academy | Leixões U19 | Loan |
| 2018-07-01 | Hélder Morim | Leixões Sub-17 | Leixões U19 | — |
| 2018-01-31 | Edmond Tapsoba | Leixões U19 | Guimarães B | — |
| 2017-07-01 | Zé Carlos | Leixões U19 | Salgueiros | Free |
| 2017-07-01 | Lawrence Ofori | Leixões U19 | Leixões B | — |
| 2017-07-01 | Gonçalo Franco | Leixões Sub-17 | Leixões U19 | — |
| 2017-07-01 | Edmond Tapsoba | Salitas | Leixões U19 | — |
| 2016-07-01 | Lawrence Ofori | WAFA SC | Leixões U19 | — |
| 2016-07-01 | Benny | Leixões U19 | Leixões | — |
| 2015-07-01 | Zé Carlos | Leixões U17 | Leixões U19 | — |
| 2015-07-01 | Benny | Foz U19 | Leixões U19 | — |
| 2014-07-01 | Chiquinho | Leixões U19 | Leixões | — |
| 2014-01-01 | André Pereira | Leixões U19 | Varzim U19 | — |
| 2013-01-01 | João Mendes | Leixões U19 | Gondomar U19 | Free |
| 2012-07-01 | Chiquinho | Leixões U17 | Leixões U19 | — |
| 2012-07-01 | André Pereira | Leixões Sub-17 | Leixões U19 | — |
| 2012-01-01 | João Novais | Leixões U19 | Leixões | — |