1. FC Kaiserslautern (2. Bundesliga): every transfer in and out, fees paid and earned, squad market value, €11m spent and €8.3m earned. Tracked squad: ACTUAL Value €16m vs €26m market value. Valued as of 2026-08-26.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-08-24 | Erik Wekesser | 1. FC Kaiserslautern | Fortuna Düsseldorf | Free |
| 2026-08-11 | Alex Murphy | Newcastle United | 1. FC Kaiserslautern | Loan |
| 2026-07-21 | Luca Sirch | 1. FC Kaiserslautern | SV Elversberg | Free |
| 2026-07-21 | Dickson Abiama | 1. FC Kaiserslautern | Rot-Weiss Essen | €50k |
| 2026-07-18 | Erencan Yardımcı | TSG 1899 Hoffenheim | 1. FC Kaiserslautern | Loan |
| 2026-07-18 | Mahir Emreli | 1. FC Kaiserslautern | Raków Częstochowa | Loan |
| 2026-07-15 | Florian Kleinhansl | 1. FC Kaiserslautern | SV Darmstadt 98 | Free |
| 2026-07-07 | Kelven Frees | TSG 1899 Hoffenheim | 1. FC Kaiserslautern | Loan |
| 2026-07-06 | Faride Alidou | 1. FC Kaiserslautern | Holstein Kiel | Free |
| 2026-07-01 | Paul Joly | AJ Auxerre | 1. FC Kaiserslautern | €1.3m |
| 2026-07-01 | Yannick Onohiol | TSG 1899 Hoffenheim | 1. FC Kaiserslautern | Free |
| 2026-07-01 | Ibrahim Kanaté | RSC Anderlecht | 1. FC Kaiserslautern | Loan |
| 2026-07-01 | David Schramm | Kaiserslautern II | 1. FC Kaiserslautern | Free |
| 2026-07-01 | Daniel Hanslik | 1. FC Kaiserslautern | VfL Bochum | Free |
| 2026-07-01 | Jannis Heuer | 1. FC Kaiserslautern | SpVgg Greuther Fürth | €150k |
| 2026-02-02 | Mergim Berisha | TSG 1899 Hoffenheim | 1. FC Kaiserslautern | Free |
| 2026-02-02 | Richmond Tachie | 1. FC Kaiserslautern | 1.FC Magdeburg | Free |
| 2026-02-01 | Tobias Raschl | 1. FC Kaiserslautern | Preußen Münster | €200k |
| 2026-01-30 | Jacob Rasmussen | Fußballclub Red Bull Salzburg | 1. FC Kaiserslautern | Free |
| 2026-01-30 | Nico Elvedi | 1. FC Kaiserslautern | SpVgg Greuther Fürth | Loan |