1. FC Magdeburg
—
M. Kwarteng
VfL BochumTransfer6 Jul 2026- M. KwartengVfL BochumTransfer5 Jul 2026
- Yoon Do-Yong
BrightonLoan4 Jul 2026 - K. Manthey
Werder BremenFree agent30 Jun 2026 - Tony Reitz
Borussia DortmundTransfer30 Jun 2026 - K. MantheyWerder BremenFree agent29 Jun 2026
- Tony ReitzBorussia DortmundTransfer29 Jun 2026
M. Breunig
1. FC HeidenheimLoan1 Sept 2025
A. Onaiwu
AuxerreTransfer1 Sept 2025- M. Breunig1. FC HeidenheimLoan31 Aug 2025
- A. OnaiwuAuxerreFree agent31 Aug 2025
- L. Hyrylainen
1899 HoffenheimTransfer19 Aug 2025 
M. Geschwill
Holstein KielLoan14 Aug 2025- M. GeschwillHolstein KielLoan13 Aug 2025
K. Diawara
Le HavreTransfer7 Aug 2025- K. DiawaraLe HavreTransfer6 Aug 2025
Noah Pesch
Borussia MönchengladbachLoan28 Jul 2025- A. Marušić
Sheriff TiraspolBack from Loan1 Jul 2025 
L. Ulrich
VfB StuttgartLoan1 Jul 2025- A. MarušićSheriff TiraspolReturn from loan29 Jun 2025
S. Gnaka
ML VitebskFree agent1 Jul 2026- S. GnakaML VitebskFree agent30 Jun 2026
Dariusz StalmachWerder BremenTransfer30 Jun 2026
A. Millgramm
SC Paderborn 07Free agent30 Jun 2026
M. Mathisen
FC St. PauliFree agent30 Jun 2026- M. GeschwillHolstein KielReturn from loan29 Jun 2026
- Dariusz StalmachWerder BremenTransfer29 Jun 2026
- Noah PeschBorussia MönchengladbachReturn from loan29 Jun 2026
- L. UlrichVfB StuttgartReturn from loan29 Jun 2026
- A. MillgrammSC Paderborn 07Free agent29 Jun 2026
- M. Breunig1. FC HeidenheimReturn from loan29 Jun 2026
- M. MathisenFC St. PauliFree agent29 Jun 2026
- K. Diawara
Estac TroyesTransfer1 Feb 2026 
M. KaarsFC St. PauliTransfer28 Aug 2025- M. KaarsFC St. PauliTransfer27 Aug 2025
Bryan Teixeira
Sturm GrazBack from Loan1 Jul 2025
J. Çeka
SV ElversbergFree Transfer1 Jul 2025
Livan Burcu
Union BerlinBack from Loan1 Jul 2025
P. Pfeiffer
FC Augsburg—1 Jul 2025- Bryan TeixeiraSturm GrazReturn from loan29 Jun 2025