AC Oulu: every transfer in and out, fees paid and earned, squad market value and €1.2m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-08-23 | Roope Riski | Ilves | AC Oulu | Loan |
| 2026-07-27 | Markus Arsalo | SJK Seinäjoki | AC Oulu | Free |
| 2026-07-13 | Julius Körkkö | AC Oulu | AC Horsens | €600k |
| 2026-02-25 | Thomas Kinn | AC Oulu | Hødd | Free |
| 2026-01-29 | William Eskelinen | AC Oulu | United Nordic | Free |
| 2026-01-29 | Shayon Harrison | AC Oulu | Tatran Prešov | Free |
| 2026-01-29 | Musa Jatta | AC Oulu | Öster | Free |
| 2026-01-23 | Justin Rennicks | AC Oulu | New Mexico United | Free |
| 2026-01-17 | Asla Peltola | AC Oulu | EIF | Free |
| 2026-01-01 | Miguel Santos | FF Jaro | AC Oulu | Free |
| 2026-01-01 | Rasmus Karjalainen | SJK Seinäjoki | AC Oulu | Free |
| 2026-01-01 | E. Kallio | KäPa | AC Oulu | Free |
| 2026-01-01 | Sami Sipola | FF Jaro | AC Oulu | Free |
| 2026-01-01 | Alex Lietsa | Klubi-04 | AC Oulu | Free |
| 2026-01-01 | Chianyindi Spencer Silas | AC Oulu | Haka | Free |
| 2026-01-01 | Joel Lehtonen | AC Oulu | FC Lahti | Free |
| 2026-01-01 | Samuli Hölttä | AC Oulu | KTP | Free |
| 2025-08-17 | Thomas Kinn | Viking Fotballklubb | AC Oulu | Free |
| 2025-08-11 | Lamine Ghezali | UTA Arad | AC Oulu | Free |
| 2025-07-29 | Charlemagne Azongnitode | Hapoel Acre | AC Oulu | Free |