| 25.11.2023 | Trimmel, Christopher | RVRM | 77 | 31 |  | Karlsruher SC |  | 1. FC Magdeburg | 1 € |
| 19.11.2023 | Otto, David | STZOM | 67 | 19 | | 1. FC Magdeburg | | Karlsruher SC | 20.000 € |
| 17.11.2023 | Ujah, Anthony | - | 71 | 28 |  | Eintracht Braunschweig | | Karlsruher SC | 67 € |
| 10.11.2023 | Choupo-Moting, Eric Maxim | STZOM | 78 | 29 | | Karlsruher SC |  | SC Verl | 200.001 € |
| 15.06.2023 | Fleckstein, Tobias | IV | 63 | 19 | | Karlsruher SC |  | VfL Wolfsburg | 1 € |
| 24.05.2023 | Choupo-Moting, Eric Maxim | STZOM | 78 | 29 |  | 1. FSV Mainz 05 | | Karlsruher SC | 300.000 € |
| 17.05.2023 | Karius, Loris | TW | 72 | 25 |  | 1. FC Union Berlin | | Karlsruher SC | 300.000 € |
| 14.05.2023 | Dietz, Florian | ST | 64 | 20 |  | SC Paderborn 07 | | Karlsruher SC | 570.370 € |
| 13.05.2023 | Skhiri, Ellyes | ZDMZM | 79 | 23 | | 1. FSV Mainz 05 | | Karlsruher SC | 551.251 € |
| 11.05.2023 | Kühn, Nicolas | RFRM | 71 | 18 | | Karlsruher SC |  | Eintracht Frankfurt | 2.000.000 € |
| 10.05.2023 | Bilbija, Filip | ZOMZMST | 67 | 18 | | Karlsruher SC | | 1. FC Magdeburg | 100.000 € |
| 06.05.2023 | Zietarski, Robert | - | 63 | 25 | | Karlsruher SC |  | SV Meppen | 15.001 € |
| 04.05.2023 | Strompf, Phillip | IV | 63 | 20 | | Karlsruher SC |  | DSC Arminia Bielefeld | 50.000 € |
| 02.05.2023 | Kempe, Tobias | - | 73 | 29 |  | SV Darmstadt 98 | | Karlsruher SC | 201 € |
| 27.04.2023 | Baumgartl, Timo | IV | 74 | 22 | | 1. FC Union Berlin | | Karlsruher SC | 205 € |
| 18.04.2023 | Trimmel, Christopher | RVRM | 78 | 31 | | SV Darmstadt 98 | | Karlsruher SC | 1.809 € |
| 13.04.2023 | Lambropoulos, Konstantinos | - | 67 | 28 | | Karlsruher SC | | Eintracht Frankfurt | 52.501 € |
| 08.04.2023 | Neuhaus, Florian | ZMZOMZDM | 79 | 21 | | SC Verl | | Karlsruher SC | 200.001 € |
| 03.04.2023 | Vogt, Kevin | IV | 76 | 27 |  | SG Dynamo Dresden | | Karlsruher SC | 289.406 € |
| 19.11.2022 | Caligiuri, Daniel | - | 75 | 30 | | Karlsruher SC |  | TSG 1899 Hoffenheim | 101 € |
| 08.11.2022 | Horn, Timo | TW | 75 | 25 | | Karlsruher SC |  | 1. FC Kaiserslautern | 525.001 € |
| 01.11.2022 | Terodde, Simon | - | 76 | 30 | | Karlsruher SC |  | Projektleitung | 1 € |
| 24.10.2022 | Coutinho, Philippe | - | 82 | 26 | | Karlsruher SC |  | SV Waldhof Mannheim 07 | 101 € |
| 24.10.2022 | Süle, Niklas | IVRV | 85 | 23 | | Karlsruher SC | | TSG 1899 Hoffenheim | 101 € |
| 24.10.2022 | Modeste, Anthony | - | 79 | 30 | | Karlsruher SC |  | FC Augsburg | 441.001 € |