Marek (Second League): every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-01 | Emil Viyachki | Arda Kardzhali | Marek | Free |
| 2026-07-01 | Simeon Veshev | Marek | Beroe | Free |
| 2026-07-01 | Borislav Vakadinov | Marek | Beroe | Free |
| 2026-07-01 | Kitan Vasilev | Marek | Strumska slava | Free |
| 2026-07-01 | Iliya Dimitrov | Marek | Rilski Sportist | Free |
| 2026-02-02 | Yulian Nenov | Marek | Rilski Sportist | Free |
| 2026-01-16 | S. Dikov | Hebar 1918 | Marek | Free |
| 2026-01-07 | Aleksandar Dyulgerov | OFK Pirin | Marek | Free |
| 2026-01-07 | Kitan Vasilev | Vihren | Marek | Free |
| 2025-09-08 | Simeon Veshev | Dobrudzha 1919 | Marek | Free |
| 2025-08-05 | Borislav Vakadinov | Montana | Marek | Free |
| 2025-07-25 | Player | Tabor Sezana | Marek | Free |
| 2025-07-12 | Vergil Yanev | Vihren | Marek | Free |
| 2025-07-06 | Player | Montana | Marek | Free |
| 2025-07-03 | Martin Atanasov | Marek | Lokomotiv Plovdiv | Free |
| 2025-07-01 | Yulian Nenov | Lokomotiv Sofia 1929 | Marek | Free |
| 2025-07-01 | M. Petkov | CSKA 1948 Sofia | Marek | Free |
| 2025-07-01 | Iliya Dimitrov | Tabor Sezana | Marek | Free |
| 2025-07-01 | Teodor Ivanov | Lokomotiv Sofia 1929 | Marek | Free |
| 2025-07-01 | Nikolay Ganchev | Marek | Montana | Free |