CS Constantine: every transfer in and out, fees paid and earned, squad market value, €77k spent and €300k earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-28 | Mehdi Beneddine | Châteauroux | CS Constantine | Free |
| 2026-07-20 | Feth-Allah Tahar | CS Constantine | Olympique Akbou | Free |
| 2026-07-07 | Mohamed Islam Bakir | USM Khenchela | CS Constantine | Free |
| 2026-07-01 | Houari Baouche | CS Constantine | MC Oran | Free |
| 2026-07-01 | Mélo N'Diaye | CS Constantine | Al Kahrabaa | Free |
| 2026-07-01 | Messala Merbah | CS Constantine | JS Kabylie | Free |
| 2026-01-31 | Djihad Bizimana | Al-Ahli | CS Constantine | Free |
| 2026-01-31 | Yawo Evra Agbagno | Al-Ittihad | CS Constantine | Free |
| 2026-01-29 | Ahmed Ait Abdesslem | Al Mesaimeer | CS Constantine | Free |
| 2026-01-27 | Ghiles Guenaoui | USM Alger | CS Constantine | Free |
| 2026-01-25 | Aimen Abdelaziz Lahmeri | JS Kabylie | CS Constantine | Free |
| 2026-01-20 | Reda Bensayah | CS Constantine | Al Anwar | Free |
| 2025-09-29 | Player | CS Constantine | Al Sadaqa | Free |
| 2025-08-25 | Nassim L'Ghoul | Bellinzona | CS Constantine | Free |
| 2025-07-30 | Laïd Chahine Bellaouel | CS Constantine | JS Kabylie | Free |
| 2025-07-30 | Abdennour Iheb Belhocini | CS Constantine | CR Belouizdad | Free |
| 2025-07-28 | Kheireddine Boussouf | CS Constantine | ES Ben Aknoun | Free |
| 2025-07-25 | Reda Bensayah | Al Adalah | CS Constantine | Free |
| 2025-07-25 | Abdelmoumen Chikhi | ES Sétif | CS Constantine | Free |
| 2025-07-25 | Mostafa Berkane | NC Magra | CS Constantine | €50k |