Ustrem Donchevo (3. League Northeast): every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2022-02-07 | Player | Spartak Varna | Ustrem Donchevo | Free |
| 2019-07-01 | Player | Dobrudzha 1919 | Ustrem Donchevo | Free |
| 2019-07-01 | Player | Chernomorets Balchik | Ustrem Donchevo | Free |