Mjøndalen (2. Division - Group 1): every transfer in and out, fees paid and earned, squad market value, €80k spent and €420k earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-17 | V. Schmølker | Hobro IK | Mjøndalen | Free |
| 2026-07-17 | I. Vik | Lyn | Mjøndalen | Loan |
| 2026-03-25 | Player | Mjøndalen | Umeå | Free |
| 2026-02-23 | K. Bata | Mjøndalen | SK Dynamo Ceske Budejovice | Free |
| 2026-02-22 | S. Eriksen | Mjøndalen | Lillestrøm II | Free |
| 2026-02-20 | K. Bata | Mjøndalen | SK Dynamo Ceske Budejovice | Free |
| 2026-01-30 | A. Molund | Mjøndalen | Bryne FK | Free |
| 2026-01-29 | F. Holst-Larsen | Mjøndalen | IFK Norrköping | Free |
| 2026-01-23 | Sander Bratvold | Mjøndalen | Rana | Free |
| 2026-01-21 | Fabian Kvam | Mjøndalen | SC Cambuur Leeuwarden | Free |
| 2026-01-03 | J. Skau | Mjøndalen | FF Jaro | Free |
| 2026-01-01 | E. Sawaneh | Mjøndalen | Lyn | Free |
| 2025-09-07 | Markus Wæhler | Lillestrøm | Mjøndalen | Loan |
| 2025-09-03 | Victor Ekström | IK Sirius | Mjøndalen | Loan |
| 2025-08-29 | Sander Bratvold | Mjøndalen | Grorud | Loan |
| 2025-08-06 | T. Mrakovic | Mjøndalen | Grorud | Free |
| 2025-07-23 | Tochukwu Joseph Ogboji | Lillestrøm | Mjøndalen | Loan |
| 2025-07-21 | Kparobo Arierhi | Lillestrøm | Mjøndalen | Loan |
| 2025-07-11 | Alie Conteh | Mjøndalen | Strømsgodset | €420k |
| 2025-07-03 | B. Singh | Mjøndalen | Lokomotiv Oslo | Loan |