Clube Atlético Paranaense (Campeonato Brasileiro Serie A): every transfer in and out, fees paid and earned, squad market value, €49m spent and €218m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-08-16 | Bruninho | Athletico-PR | Shakhtar D. | €11m |
| 2026-02-09 | Hayen Palacios | Athletico-PR | Indep. Medellín | Loan |
| 2026-01-23 | Luiz Gustavo | São Paulo | Athletico-PR | Free |
| 2026-01-22 | Daniel Aguilar | Orsomarso U20 | Athletico-PR | — |
| 2026-01-03 | Jádson | Juventude | Athletico-PR | — |
| 2026-01-03 | Juan Portilla | CA Talleres | Athletico-PR | €2.5m |
| 2026-01-01 | Lucas Di Yorio | Athletico-PR | Santos Laguna | €2.1m |
| 2026-01-01 | Gilberto Junior | Palmeiras U20 | Athletico-PR | Loan |
| 2026-01-01 | Gastón Benavídez | CA Talleres | Athletico-PR | €1.7m |
| 2026-01-01 | Chiqueti | Athletico U20 | Athletico-PR | — |
| 2026-01-01 | Bruninho | Athletico U20 | Athletico-PR | — |
| 2026-01-01 | Arthur Dias | Athletico U20 | Athletico-PR | — |
| 2026-01-01 | Alejandro García | Once Caldas | Athletico-PR | Free |
| 2025-09-02 | Kauã Moraes | Athletico-PR | Cruzeiro | €1.6m |
| 2025-08-25 | Carlos Terán | Chicago | Athletico-PR | — |
| 2025-08-18 | Élan Ricardo | Besiktas | Athletico-PR | Loan |
| 2025-07-31 | Dudu | Athletico-PR | Atlético-GO | Loan |
| 2025-07-27 | Hayen Palacios | Athletico-PR | Nacional | Loan |
| 2025-07-15 | Gastón Benavídez | CA Talleres | Athletico-PR | Loan |
| 2025-07-10 | Stiven Mendoza | León | Athletico-PR | — |