KuPS: every transfer in and out, fees paid and earned, squad market value, €200k spent and €6.4m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-01 | Tommi Jyry | Petrolul Ploiesti | KuPS | €200k |
| 2026-07-01 | Saikou Touray | Bourg-en-Bresse | KuPS | Free |
| 2026-07-01 | Taneli Hämäläinen | ADO Den Haag | KuPS | Free |
| 2026-03-30 | Aaro Toivonen | KTP | KuPS | Free |
| 2026-03-27 | Brahima Magassa | Châteauroux | KuPS | Free |
| 2026-03-23 | Jaime Moreno | Carabobo FC | KuPS | Free |
| 2026-03-20 | Pa Konate | KuPS | Österlen | Free |
| 2026-02-12 | Mohamed Touré | KuPS | Viktoria Plzeň | €1.5m |
| 2026-02-12 | Piotr Parzyszek | KuPS | Pakhtakor | Free |
| 2026-02-11 | Saku Heiskanen | IF Gnistan | KuPS | Free |
| 2026-02-07 | Calvin Kabuye | Mjällby AIF | KuPS | — |
| 2026-02-03 | Otto Ruoppi | 1.FSV Mainz 05 | KuPS | Loan |
| 2026-02-03 | Gustav Engvall | Miedz Legnica | KuPS | Free |
| 2026-02-02 | Otto Ruoppi | KuPS | 1.FSV Mainz 05 | €1.3m |
| 2026-01-29 | Ibrahim Cissé | KuPS | AIK | Free |
| 2026-01-29 | Samuli Miettinen | KuPS | NK Istra | Free |
| 2026-01-29 | Ibrahim Cissé | KuPS | AIK | Free |
| 2026-01-22 | Paulo Ricardo | KuPS | Persija | Free |
| 2026-01-20 | Akseli Puukko | Bologna U19 | KuPS | Free |
| 2026-01-03 | Doni Arifi | KuPS | SpVgg Greuther Fürth | Free |