Charlton: every transfer in and out, fees paid and earned, squad market value, €1.6m spent and €28m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-02-02 | Karoy Anderson | Charlton | Blackpool | Loan |
| 2026-01-29 | Conor Coady | Wrexham | Charlton | Loan |
| 2026-01-28 | Ashley Maynard-Brewer | Charlton | Dundee United | — |
| 2026-01-26 | Jérôme Roussillon | Charlton | Amiens SC | Free |
| 2026-01-15 | Lyndon Dykes | Birmingham | Charlton | €100k |
| 2026-01-12 | Harry Clarke | Ipswich | Charlton | Loan |
| 2025-11-28 | Jérôme Roussillon | Without Club | Charlton | — |
| 2025-09-05 | Zach Mitchell | Charlton | Hibernian FC | Loan |
| 2025-09-01 | James Bree | Southampton | Charlton | Loan |
| 2025-08-15 | Kaheim Dixon | Charlton | Crawley Town | Loan |
| 2025-07-07 | Dean Bouzanis | Charlton | Brisbane Roar | Free |
| 2025-07-04 | Amari'i Bell | Luton | Charlton | Free |
| 2025-03-22 | Dean Bouzanis | Without Club | Charlton | — |
| 2025-02-03 | Zach Mitchell | Charlton | St. Johnstone | Loan |
| 2025-02-03 | Tom McIntyre | Portsmouth | Charlton | Loan |
| 2024-08-30 | Scott Fraser | Charlton | Without Club | — |
| 2024-08-26 | Allan Campbell | Luton | Charlton | Loan |
| 2024-08-23 | Kaheim Dixon | Arnett Gardens | Charlton | — |
| 2024-08-01 | Richard Chin | Charlton | Farnborough | Free |
| 2024-07-04 | Diallang Jaiyesimi | Charlton | Leyton Orient | Free |