N. Futkeu
Eintracht FrankfurtLoanLoan fee: €1.00m14 Aug 2026
L. Sirch
1. FC KaiserslauternFree agentFree transfer20 Jul 2026
William Cole Campbell
Borussia DortmundTransfer€6.00m8 Jul 2026
Francis-Ikechukwu Onyeka
Bayer LeverkusenLoanLoan fee: €750k30 Jun 2026
Ł. Poręba
Hamburger SVTransfer€1.60m30 Jun 2026
Noah Darvich
VfB StuttgartLoanLoan fee: €750k30 Jun 2026
M. Krattenmacher
Bayern MünchenTransfer€2.00m30 Jun 2026- L. Sirch1. FC KaiserslauternFree agentFree transfer29 Jun 2026
F. Gerezgiher
EmmenReturn from loan—29 Jun 2026
J. Çeka
Dynamo DresdenReturn from loan—29 Jun 2026
I. PheraiHamburger SVLoan—1 Feb 2026
R. AdamHamburger SVTransfer—4 Jan 2026
D. Mokwa
1899 HoffenheimTransfer—2 Jan 2026
Otto Emerson StangeHamburger SVLoan—1 Sept 2025- Ł. PorębaHamburger SVLoanLoan fee: €170k30 Jul 2025
- J. Çeka
CambuurLoan—1 Sept 2026 - F. Gerezgiher
Fortuna DüsseldorfFree agent—31 Aug 2026 
C. Sickinger
SV Darmstadt 98Free agent—19 Jul 2026- Mohammad Mahmoud
Austria SalzburgFree agent—13 Jul 2026 - Ł. PorębaHamburger SVReturn from loan—29 Jun 2026
Jarzinho Ataide Adriano de Nascimento MalangaVfB StuttgartReturn from loan—29 Jun 2026
B. Conté1899 HoffenheimReturn from loan—29 Jun 2026- I. PheraiHamburger SVReturn from loan—29 Jun 2026
M. Feil—Free agent—29 Jun 2026- P. Dragon—Free agent—29 Jun 2026
- D. Pantschenko—Free agent—29 Jun 2026
- Otto Emerson StangeHamburger SVReturn from loan—1 Feb 2026
- J. ÇekaDynamo DresdenLoan—31 Dec 2025
Y. EbnoutalibEintracht FrankfurtTransfer—31 Dec 2025- F. GerezgiherEmmenLoan—2 Sept 2025
- A. Sicker
Arminia BielefeldFree agent—28 Aug 2025