Sunderland U18 (Premier League U18): every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-07 | Fin Garagusaan | Sunderland U18 | Sunderland U21 | Free |
| 2025-07-01 | Matthew Burns | Coleraine | Sunderland U18 | Free |
| 2025-07-01 | Jayden Jones | Sunderland U18 | Sunderland U21 | Free |
| 2025-07-01 | Jack Whittaker | Sunderland U18 | Sunderland U21 | Free |
| 2025-07-01 | Ben Metcalf | Sunderland U18 | Sunderland U21 | Free |
| 2025-07-01 | Ben Kindon | Sunderland U18 | Sunderland U21 | Free |
| 2024-07-01 | Player | Sunderland U18 | Free | |
| 2024-07-01 | Player | Sunderland U18 | Free | |
| 2024-07-01 | Player | Sunderland U18 | Free | |
| 2024-07-01 | Player | Sunderland U18 | Free | |
| 2024-07-01 | Player | Sunderland U18 | Sunderland U21 | Free |
| 2024-07-01 | Dan Cameron | Sunderland U18 | Sunderland U21 | Free |
| 2024-07-01 | Player | Sunderland U18 | Darlington | Free |
| 2024-07-01 | Tom Lavery | Sunderland U18 | Sunderland U21 | Free |
| 2024-07-01 | Jake Waters | Sunderland U18 | Sunderland U21 | Free |
| 2024-07-01 | Matthew Young | Sunderland U18 | Sunderland U21 | Free |
| 2024-07-01 | Player | Sunderland U18 | Sunderland U21 | Free |
| 2024-07-01 | Jenson Jones | Sunderland U18 | Sunderland U21 | Free |
| 2024-07-01 | Rhys Walsh | Sunderland U18 | Sunderland U21 | Free |
| 2024-07-01 | Trey Samuel-Ogunsuyi | Sunderland U18 | Sunderland U21 | Free |