UCD (First Division): every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-08-01 | Declan Osagie | Bohemians | UCD | Free |
| 2025-07-16 | Sean Brennan | UCD | Bray Wanderers | Free |
| 2025-07-05 | Kian Moore | UCD | Longford Town | Free |
| 2025-02-11 | Player | UCD | Bray Wanderers | Free |
| 2025-02-03 | Hugh Parker | UCD | Hull City U21 | Free |
| 2025-01-20 | Brian McManus | Bohemians | UCD | Free |
| 2025-01-20 | Killian Cailloce | Drogheda United | UCD | Free |
| 2025-01-11 | Alex Dunne | UCD | Kerry | Free |
| 2025-01-01 | Carl Lennox | Shamrock Rovers | UCD | Free |
| 2024-07-04 | Daniel Norris | UCD | Longford Town | Free |
| 2024-02-15 | Divine Izekor | UCD | Athlone Town | Free |
| 2024-02-02 | Player | UCD | Ipswich Town U21 | Free |
| 2024-01-25 | Brendan Barr | UCD | Ballymena United | Free |
| 2024-01-11 | Jesse Dempsey | UCD | Lecce U19 | Free |
| 2024-01-01 | Ronan Finn | Shamrock Rovers | UCD | Free |
| 2024-01-01 | Evan Osam | UCD | Bray Wanderers | Free |
| 2024-01-01 | D. Keane | UCD | Dundalk FC | Free |
| 2024-01-01 | Jack Keaney | UCD | Drogheda United | Free |
| 2024-01-01 | Player | UCD | Longford Town | Free |
| 2024-01-01 | Lorcan Healy | UCD | Shelbourne | Free |