Transfers
Recent player movements in and out of the squad
| Date | Player | From | To | Type |
|---|---|---|---|---|
| 11.08.2025 | J. Blaswich | RB Leipzig | Bayer Leverkusen | Transfer |
| 10.08.2025 | E. Poku | AZ Alkmaar | Bayer Leverkusen | Transfer |
| 10.08.2025 | J. Blaswich | RB Leipzig | Bayer Leverkusen | Transfer |
| 08.08.2025 | L. Hrádecký | Bayer Leverkusen | Monaco | Transfer |
| 07.08.2025 | L. Hrádecký | Bayer Leverkusen | Monaco | Transfer |
| 06.08.2025 | L. Hrádecký | Bayer Leverkusen | Monaco | Transfer |
| 30.07.2025 | G. Xhaka | Bayer Leverkusen | Sunderland | Transfer |
| 29.07.2025 | A. Faye | Bayer Leverkusen | Lorient | Loan |
| 28.07.2025 | A. Faye | Bayer Leverkusen | Lorient | Loan |
| 26.07.2025 | Farid Alfa-Ruprecht | Manchester City | Bayer Leverkusen | Transfer |
| 15.07.2025 | M. Kovář | Bayer Leverkusen | PSV Eindhoven | Loan |
| 14.07.2025 | M. Kovář | Bayer Leverkusen | PSV Eindhoven | Loan |
| 12.07.2025 | M. Tillman | PSV Eindhoven | Bayer Leverkusen | Transfer |
| 12.07.2025 | Lucas Vázquez | Real Madrid | Bayer Leverkusen | Free agent |
| 11.07.2025 | Christian Kofane | — | Bayer Leverkusen | Transfer |
| 10.07.2025 | M. Tillman | PSV Eindhoven | Bayer Leverkusen | Transfer |
| 09.07.2025 | Christian Kofane | — | Bayer Leverkusen | Transfer |
| 03.07.2025 | Kerim-Sam Alajbegović | Bayer Leverkusen | Red Bull Salzburg | Transfer |
| 02.07.2025 | Kerim-Sam Alajbegović | Bayer Leverkusen | Red Bull Salzburg | Transfer |
| 02.07.2025 | J. Quansah | Liverpool | Bayer Leverkusen | Transfer |
| 01.07.2025 | O. Kossounou | Bayer Leverkusen | Atalanta | Transfer |
| 01.07.2025 | A. Stepanov | Bayer Leverkusen | — | Loan |
| 01.07.2025 | G. Puerta | Bayer Leverkusen | — | Transfer |
| 01.07.2025 | O. Raterink | Bayer Leverkusen | — | N/A |
| 01.07.2025 | A. Tape | Paris Saint Germain | Bayer Leverkusen | Free Transfer |
| 01.07.2025 | N. Mbamba | Dender | Bayer Leverkusen | N/A |
| 01.07.2025 | G. Puerta | — | Bayer Leverkusen | Back from Loan |
| 01.07.2025 | J. Tah | Bayer Leverkusen | Bayern München | Free |
| 01.07.2025 | O. Kossounou | Atalanta | Bayer Leverkusen | N/A |
| 01.07.2025 | A. Faye | BK Hacken | Bayer Leverkusen | Transfer |
| 01.07.2025 | Hermoso | Bayer Leverkusen | AS Roma | Back from Loan |
| 01.07.2025 | Francis-Ikechukwu Onyeka | Bayer Leverkusen | VfL Bochum | Loan |
| 01.07.2025 | E. Buendía | Bayer Leverkusen | Aston Villa | Back from Loan |
| 01.07.2025 | N. Mukiele | Bayer Leverkusen | Paris Saint Germain | Back from Loan |
| 01.07.2025 | T. Oermann | Bayer Leverkusen | Sturm Graz | Loan |
| 30.06.2025 | J. Frimpong | Bayer Leverkusen | Liverpool | Transfer |
| 30.06.2025 | F. Wirtz | Bayer Leverkusen | Liverpool | Transfer |
| 29.06.2025 | O. Raterink | Bayer Leverkusen | — | Return from loan |
| 29.06.2025 | N. Mukiele | Bayer Leverkusen | Paris Saint Germain | Return from loan |
| 29.06.2025 | A. Faye | BK Hacken | Bayer Leverkusen | Transfer |
| 29.06.2025 | T. Oermann | VfL Bochum | Bayer Leverkusen | Transfer |
| 29.06.2025 | I. Maza | Hertha BSC | Bayer Leverkusen | Transfer |
| 29.06.2025 | E. Buendía | Bayer Leverkusen | Aston Villa | Return from loan |
| 20.06.2025 | F. Wirtz | Bayer Leverkusen | Liverpool | Transfer |
| 09.06.2025 | J. Tah | Bayer Leverkusen | Bayern München | Transfer |
| 03.06.2025 | M. Flekken | Brentford | Bayer Leverkusen | Transfer |
| 03.06.2025 | Francis-Ikechukwu Onyeka | Bayer Leverkusen | VfL Bochum | Loan |
| 02.06.2025 | T. Oermann | Bayer Leverkusen | Sturm Graz | Loan |
| 01.06.2025 | I. Maza | Hertha BSC | Bayer Leverkusen | Transfer |
| 01.06.2025 | J. Frimpong | Bayer Leverkusen | Liverpool | Transfer |