Piauí (Serie D): every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-04-29 | João Ramos | São José EC | Piauí | Loan |
| 2026-02-03 | Wallace | Vora | Piauí | Free |
| 2025-06-09 | Djavan | Piauí | XV de Piracicaba | Free |
| 2025-06-02 | Luis Felipe | Piauí | XV de Piracicaba | Free |
| 2025-06-01 | Paulinho | Piauí | North Esporte | Free |
| 2025-05-30 | Player | Piauí | Barcelona BA | Free |
| 2025-05-09 | Luan | Piauí | Nação | Free |
| 2025-05-06 | Max Oliveira | Piauí | Maracanã | Free |
| 2025-04-04 | Guilherme Knupp | Piauí | Joinville | Free |
| 2025-02-21 | Guilherme Knupp | Uberlândia | Piauí | Free |
| 2025-02-18 | Player | Piauí | CSE | Free |
| 2025-02-17 | Ruan Levine | Itabirito | Piauí | Free |
| 2025-02-14 | Paulinho | Villa Nova | Piauí | Free |
| 2025-02-14 | Luis Felipe | Villa Nova | Piauí | Free |
| 2025-01-30 | Player | Jequié | Piauí | Free |
| 2025-01-24 | Player | Piauí | Capitão Poço | Free |
| 2025-01-17 | Player | Piauí | Democrata GV | Free |
| 2025-01-16 | Player | Santa Catarina | Piauí | Free |
| 2025-01-14 | Luis Felipe | Piauí | Villa Nova | Free |
| 2025-01-09 | Vitinho | Inter de Lages | Piauí | Loan |