Bayer Leverkusen U19 (U19 Bundesliga): every transfer in and out, fees paid and earned, squad market value, €5.7m spent and €2.5m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-08-12 | Jeremiah Mensah | Bayer Leverkusen U19 | Roda JC Kerkrade | Loan |
| 2026-07-28 | Andrea Natali | Bayer Leverkusen U19 | AZ Alkmaar | €2.3m |
| 2026-07-09 | Ken Izekor | Bayer Leverkusen U19 | Alemannia Aachen | Free |
| 2026-07-01 | Aleksa Damjanovic | Crvena Zvezda | Bayer Leverkusen U19 | €5m |
| 2026-07-01 | Jeremiah Mensah | Bayer Leverkusen U19 | Bayer 04 Leverkusen | Free |
| 2025-08-05 | Oleksandr Petrenko | Bayer Leverkusen U19 | Slavia | Free |
| 2025-07-26 | Player | Bayer Leverkusen U19 | Arminia Bielefeld II | Free |
| 2025-07-25 | Nourdine Camara | Bayer Leverkusen U19 | Harju Jalgpallikool | Free |
| 2025-07-09 | Player | Bayer Leverkusen U19 | Fortuna Köln II | Free |
| 2025-07-01 | Jonah Berghoff | Bayer Leverkusen U17 | Bayer Leverkusen U19 | Free |
| 2025-07-01 | Nebe-Sirak Domnic | Bayer Leverkusen U17 | Bayer Leverkusen U19 | Free |
| 2025-07-01 | Ben Hawighorst | Bayer Leverkusen U17 | Bayer Leverkusen U19 | Free |
| 2025-07-01 | Jeremiah Mensah | Bayer Leverkusen U17 | Bayer Leverkusen U19 | Free |
| 2025-07-01 | Larson Ferati | Bayer Leverkusen U19 | RW Essen U19 | Free |
| 2025-07-01 | Player | Bayer Leverkusen U19 | Alemannia Aachen U19 | Free |
| 2025-02-03 | Player | Bayer Leverkusen U19 | Eisbachtal | Free |
| 2025-01-01 | Oleksandr Petrenko | Bayer Leverkusen U19 | Viktoria Köln | Loan |
| 2024-07-16 | Madi Monamay | Bayer Leverkusen U19 | Jong PSV | Free |
| 2024-07-13 | Jardell Kanga | Bayer Leverkusen U19 | Hammarby IF | Free |
| 2024-07-01 | Andrea Natali | Barcelona U18 | Bayer Leverkusen U19 | Free |