Glentoran U18: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2022-09-16 | Francis Turley | Glentoran U18 | Celtic U18 | — |
| 2022-07-02 | Mason Munn | Glentoran U18 | Rangers FC U18 | Free |
| 2020-07-22 | Jamie McDonnell | Glentoran U18 | Nottingham U18 | — |
| 2018-07-01 | Jamie McDonnell | Lisburn Youth | Glentoran U18 | Free |
| 2016-07-01 | Caolan Boyd-Munce | Glentoran U18 | Birmingham U18 | — |