Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 09/2026 |  | Timo Struckmeier | AS-CO |  | HSC Hannover | HSC Hannover |
| 09/2026 | | André Breitenreiter | MA | |||
| 08/2026 |  | David Kopacz | MF |  | VfL Osnabrück | Osnabrück |
| 08/2026 |  | Jaaso Jantunen | GK |  | SC Freiburg II | Freiburg II |
| 07/2026 |  | Peter Kiedl | FW |  | Sturm Graz | Sturm Graz |
| 07/2026 | | Niklas Kölle | DF |  | SSV Ulm 1846 | SSV Ulm |
| 07/2026 | | Ouassim Karada | DF |  | Kickers Offenbach | Offenbach |
| 07/2026 | | Yannic Stein | GK |  | SV Babelsberg 03 | Babelsberg |
| 07/2026 | | Luca Unbehaun | GK |  | FC Emmen | FC Emmen |
| 07/2026 |  | Florian Bohnert | DF |  | SC Bastia | Bastia |
| 07/2026 | | Dario Gebuhr | DF |  | Chemnitzer FC | Chemnitz |
| 07/2026 | | Robin Falk | MF |  | Hansa Rostock U19 | Rostock U19 |
| 07/2026 |  | Felikss Sproģis | MF |  | Hansa Rostock II | Rostock II |
| 07/2026 | | Leon Dajaku | FW | | SSV Ulm 1846 | SSV Ulm |
| 07/2026 | | Tim Krohn | FW |  | Rot-Weiß Oberhausen | Oberhausen |
| 07/2026 | | Bernie Lennemann | FW |  | 1. FC Köln II | Köln II |
| 07/2026 | | Yannick Michaelis | FW |  | Bor. Mönchengladbach II | M'gladbach II |
| 07/2026 |  | Adam Sušac | AS-CO |  | Erzgebirge Aue | Aue |
| 07/2026 | | Yannic Thiel | AS-CO |  | VfL Wolfsburg U17 | Wolfsburg U17 |
| 07/2026 | | Arvid Rinast | GK-CO |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 09/2026 | | Dario Gebuhr | DF |  | Eintracht Trier | Eintracht Trier |
| 08/2026 | | Cedric Harenbrock | MF |  | Fortuna Köln | Fortuna Köln |
| 08/2026 | | Tim Krohn | FW |  | 1. FC Bocholt | 1. FC Bocholt |
| 07/2026 | | Max Hagemoser | GK |  | SV Pastow | SV Pastow |
| 07/2026 |  | Adrien Lebeau | MF |  | USL Dunkerque | USL Dunkerque |
| 07/2026 | | Benjamin Uphoff | GK |  | Eintracht Braunschweig | Braunschweig |
| 07/2026 |  | Viktor Bergh | DF |  | Djurgårdens IF | Djurgårdens IF |
| 07/2026 | | Felix Ruschke | DF |  | FC Blau Weiß Linz | Blau Weiß Linz |
| 07/2026 | | Lukas Kunze | MF |  | Arminia Bielefeld | Bielefeld |
| 07/2026 | | Claas Zamzow | MF |  | FSV 63 Luckenwalde | Luckenwalde |
| 07/2026 | | Christian Kinsombi | FW |  | Energie Cottbus | Cottbus |
| 07/2026 | | Markus Gellhaus | AS-CO |  | Bor. Mönchengladbach | M'gladbach |
| 07/2026 | | Dirk Orlishausen | GK-CO |  | 1. FC Saarbrücken | Saarbrücken |