Carl Zeiss Jena (3. Liga): every transfer in and out, fees paid and earned, squad market value, €185k spent and €1.1m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-22 | Player | Carl Zeiss Jena | Barockstadt Fulda-Lehnerz | Free |
| 2026-07-01 | Elias Löder | Ulm | Carl Zeiss Jena | Free |
| 2026-07-01 | Player | Hertha BSC II | Carl Zeiss Jena | Free |
| 2026-07-01 | Luca Wollschläger | Saarbrücken | Carl Zeiss Jena | Free |
| 2026-07-01 | Player | Carl Zeiss Jena | Altglienicke | Free |
| 2026-07-01 | Player | Carl Zeiss Jena | Pipinsried | Free |
| 2026-07-01 | Player | Carl Zeiss Jena | Dynamo Dresden II | Free |
| 2026-07-01 | Alexander Prokopenko | Carl Zeiss Jena | Viktoria Köln | Free |
| 2026-01-26 | Player | Cavalry | Carl Zeiss Jena | Free |
| 2026-01-26 | Kay Seidemann | Carl Zeiss Jena | Chemie Leipzig | Free |
| 2026-01-11 | Amar Suljić | Homburg | Carl Zeiss Jena | Free |
| 2025-09-01 | Player | Kickers Emden | Carl Zeiss Jena | Free |
| 2025-09-01 | Cemal Sezer | Carl Zeiss Jena | Zwickau | Free |
| 2025-07-01 | Player | BFC Dynamo | Carl Zeiss Jena | Free |
| 2025-07-01 | Moritz Fritz | Viktoria Köln | Carl Zeiss Jena | Free |
| 2025-07-01 | Player | Hallescher FC | Carl Zeiss Jena | Free |
| 2025-07-01 | Player | Preußen Münster II | Carl Zeiss Jena | Free |
| 2025-07-01 | Player | Jena U19 | Carl Zeiss Jena | Free |
| 2025-07-01 | Player | Homburg | Carl Zeiss Jena | Free |
| 2025-07-01 | Malik Talabidi | Schalke 04 II | Carl Zeiss Jena | Free |