Arsenal U21: every transfer in and out, fees paid and earned, squad market value, €9.7m spent and €27m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-02-10 | Charles Sagoe Jr | Arsenal U21 | Kalmar FF | Loan |
| 2026-02-02 | Evan Mooney | St. Mirren | Arsenal U21 | €500k |
| 2026-01-30 | Maldini Kacurri | Arsenal U21 | Grimsby Town | — |
| 2025-09-17 | Maldini Kacurri | Arsenal U21 | Morecambe FC | Loan |
| 2025-09-03 | Michał Rosiak | Arsenal U21 | Slask Wroclaw | Free |
| 2025-08-29 | Ismeal Kabia | Arsenal U21 | Shrewsbury | Loan |
| 2025-08-06 | Jimi Gower | Arsenal U21 | Moreirense | Free |
| 2025-07-18 | Jack Henry-Francis | Arsenal U21 | Shelbourne | Free |
| 2025-07-04 | Khayon Edwards | Arsenal U21 | Estoril | Free |
| 2025-07-02 | Nathan Butler-Oyedeji | Arsenal U21 | Lausanne-Sport | Free |
| 2025-07-01 | Salah Oulad | Arsenal U21 | Without Club | — |
| 2025-07-01 | Jack Porter | Arsenal U18 | Arsenal U21 | — |
| 2025-07-01 | Brayden Clarke | Arsenal U18 | Arsenal U21 | — |
| 2025-02-22 | Zane Monlouis | Arsenal U21 | Toronto | — |
| 2025-02-03 | Maldini Kacurri | Arsenal U21 | Bromley | Loan |
| 2025-02-01 | Ayden Heaven | Arsenal U21 | Man Utd | €1.8m |
| 2025-01-01 | Josh Robinson | Arsenal U21 | Wigan | — |
| 2024-09-04 | Hubert Graczyk | Arsenal U21 | Man Utd U21 | Free |
| 2024-08-16 | Charles Sagoe Jr | Arsenal U21 | Shrewsbury | Loan |
| 2024-08-14 | Brooke Norton-Cuffy | Arsenal U21 | Genoa | €2m |