Celtic FC (Scottish Premiership): every transfer in and out, fees paid and earned, squad market value, €259m spent and €371m earned. Tracked squad: ACTUAL Value €83m, in line with the market. Valued as of 2026-08-26.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-08-13 | Mika Baur | SC Paderborn 07 | Celtic FC | €5.3m |
| 2026-08-12 | Haissem Hassan | Real Oviedo | Celtic FC | €7m |
| 2026-08-04 | Paulo Bernardo | Celtic FC | Górnik Zabrze | Loan |
| 2026-07-28 | Kasper Høgh | Bodø / Glimt | Celtic FC | €13m |
| 2026-07-25 | Daizen Maeda | Celtic FC | Ipswich Town | €9.4m |
| 2026-07-17 | Kelechi Iheanacho | Celtic FC | Bursaspor | Free |
| 2026-07-17 | Maik Nawrocki | Celtic FC | RC Lens | €2.5m |
| 2026-07-14 | Shin Yamada | Celtic FC | OH Leuven | Loan |
| 2026-07-10 | Camilo Durán | Qarabağ | Celtic FC | €5.5m |
| 2026-07-01 | Josh Clarke | Celtic | Partick Thistle | — |
| 2026-07-01 | Luis Palma | Celtic | Lech Poznan | €4m |
| 2026-07-01 | Stephen Welsh | Celtic | Swansea | — |
| 2026-07-01 | Hayato Inamura | Celtic FC | FC Tokyo | Free |
| 2026-03-31 | Odin Thiago Holm | Celtic | Vålerenga | Loan |
| 2026-03-31 | Odin Thiago Holm | Celtic FC | Vålerenga | Loan |
| 2026-02-02 | Benjamin Arthur | Brentford | Celtic | Loan |
| 2026-02-02 | Joel Mvuka | FC Lorient | Celtic | Loan |
| 2026-02-02 | Junior Adamu | Freiburg | Celtic | Loan |
| 2026-02-02 | Johnny Kenny | Celtic | Bolton | Loan |
| 2026-02-02 | Stephen Welsh | Celtic | Motherwell FC | Loan |