Celtic U17: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2020-07-01 | Vincent Angelini | Celtic U17 | Celtic U18 | — |
| 2020-07-01 | Joe Morrison | Celtic U17 | Celtic U18 | — |
| 2020-07-01 | Dane Murray | Celtic U17 | Celtic U18 | — |
| 2019-07-25 | Liam Morrison | Celtic U17 | FC Bayern U17 | — |
| 2018-07-01 | Ryan Mullen | Celtic U17 | Celtic B | — |
| 2018-07-01 | Aaron Hickey | Celtic U17 | Hearts FC U18 | Free |
| 2017-07-01 | Stephen Welsh | Celtic U17 | Celtic U20 | — |
| 2017-07-01 | Robbie Deas | Celtic U17 | Celtic U20 | — |
| 2017-07-01 | Kerr McInroy | Celtic U17 | Celtic U20 | — |
| 2017-07-01 | Ewan Henderson | Celtic U17 | Celtic U20 | — |
| 2016-07-01 | Mikey Johnston | Celtic U17 | Celtic U20 | — |
| 2016-06-01 | Stephen Welsh | Celtic Youth | Celtic U17 | — |
| 2015-07-01 | Ross Doohan | Celtic U17 | Celtic U20 | — |
| 2015-07-01 | Kerr McInroy | Celtic Youth | Celtic U17 | — |
| 2015-07-01 | Conor Hazard | Celtic U17 | Celtic U20 | — |
| 2015-07-01 | Calvin Miller | Celtic U17 | Celtic U20 | — |
| 2015-07-01 | Anthony Ralston | Celtic U17 | Celtic U20 | — |
| 2014-07-02 | Conor Hazard | Cliftonv. Res. | Celtic U17 | — |
| 2014-07-01 | Mikey Johnston | Celtic Youth | Celtic U17 | — |
| 2014-07-01 | Kieran Tierney | Celtic U17 | Celtic U20 | — |