Glentoran: every transfer in and out, fees paid and earned, squad market value and €146k earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-07-28 | Peter Urminsky | St. Mirren | Glentoran | Loan |
| 2023-07-06 | Conor McMenamin | Glentoran | St. Mirren | €146k |
| 2023-07-01 | Terry Devlin | Glentoran | Portsmouth | — |
| 2022-08-31 | Terry Devlin | Dungannon | Glentoran | — |
| 2021-01-31 | Conor McMenamin | Cliftonville | Glentoran | — |
| 2016-07-01 | Conor McMenamin | Glentoran | Warrenpoint | — |
| 2015-07-01 | Conor McMenamin | Linfield | Glentoran | Free |