Leixões Sub-17: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2018-07-01 | Hélder Morim | Leixões Sub-17 | Leixões U19 | — |
| 2017-07-01 | Gonçalo Franco | Leixões Sub-17 | Leixões U19 | — |
| 2017-07-01 | Billal Brahimi | Leixões U17 | Boro U18 | — |
| 2016-07-01 | Hélder Morim | Leixões Sub-15 | Leixões Sub-17 | — |
| 2016-07-01 | Billal Brahimi | ASSOA Jugend | Leixões U17 | — |
| 2015-07-01 | Zé Carlos | Leixões U17 | Leixões U19 | — |
| 2015-07-01 | Gonçalo Franco | Leixões Sub-15 | Leixões Sub-17 | — |
| 2013-07-01 | Zé Carlos | Leixões U15 | Leixões U17 | — |
| 2012-07-01 | Chiquinho | Leixões U17 | Leixões U19 | — |
| 2012-07-01 | André Pereira | Leixões Sub-17 | Leixões U19 | — |
| 2011-07-01 | João Mendes | Leixões U17 | Leixões U19 | — |
| 2010-07-01 | Chiquinho | Leixões U15 | Leixões U17 | — |
| 2010-07-01 | André Pereira | Leixões Sub-15 | Leixões Sub-17 | — |