Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 10/2015 |  | Pete Mahon | MA | |||
| 09/2015 | | Liam Donnelly | DF | |||
| 08/2015 | | Keith Treacy | DF | |||
| 08/2015 | | Mark O'Brien | MF | |||
| 08/2015 | | Nathan Seery | MF | |||
| 07/2015 | | James Daly | MF | |||
| 07/2015 | | Rob Bayly | MF |  | Cliftonville FC | Cliftonville |
| 07/2015 | | Robert McKenna | FW | |||
| 07/2015 | | Gerald Pender | FW | |||
| 06/2015 |  | Manuel Kaguako | DF | |||
| 04/2015 | | Evin Farrell | GK | |||
| 04/2015 | | Sam McGowan | DF | |||
| 03/2015 | | Robert O'Reilly | MF | |||
| 02/2015 | | Daryl Kavanagh | FW | |||
| 01/2015 |  | Matthew Rooney | FW |  | Portadown FC | Portadown FC |
| 01/2015 | | Tiernán Mulvenna | FW | | Cliftonville FC | Cliftonville |
| 01/2015 | | Joe Gorman | DF | |||
| 01/2015 | | Shane Dunne | DF |  | Wexford FC U19 | Wexford FC U19 |
| 01/2015 | | Seán Brennan | MF | |||
| 01/2015 | | Sean Thornton | MF |  | Bala Town | Bala Town |
| 01/2015 | | Lloyd Buckley | DF | |||
| 01/2015 | | Lloyd Buckley | DF |  | Drogheda United U19 | U19 |
| 01/2015 | | Alan Byrne | DF |  | Athlone Town | Athlone Town |
| 01/2015 | | Eoghan Dempsey | DF | |||
| 01/2015 | | Niall Flynn | DF | |||
| 01/2015 | | James Kavanagh | DF |  | UC Dublin | UC Dublin |
| 01/2015 | | Michael Scott | DF | | UC Dublin | UC Dublin |
| 01/2015 | | Neil Yadolahi | DF |  | Bohemian FC | Bohemians |
| 01/2015 | | Mark Hughes | MF | | Athlone Town | Athlone Town |
| 01/2015 | | Jason Marks | MF | | Athlone Town | Athlone Town |
| 01/2015 | | Lee Duffy | FW |  | Shelbourne FC | Shelbourne FC |
| 01/2015 | | Adam Whelan | FW |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 12/2015 | | Micheál Schlingermann | GK |  | Sligo Rovers | Sligo Rovers |
| 07/2015 | | Shane Dunne | DF | | Wexford FC U19 | Wexford FC U19 |
| 07/2015 | | Carl Walshe | FW | | Shelbourne FC | Shelbourne FC |
| 07/2015 | | Matthew Rooney | FW |  | Warrenpoint Town | Warrenpoint |
| 01/2015 | | Shane Grimes | DF |  | Dundalk FC | Dundalk |
| 01/2015 | | Ciaran McGuigan | DF |  | Landsdowne Bhoys FC | Landsdowne Bhoys FC |
| 01/2015 | | Gavin Brennan | MF |  | Shamrock Rovers | Shamrock |
| 01/2015 | | Daire Doyle | MF | | Shelbourne FC | Shelbourne FC |
| 01/2015 | | Gavan Holohan | MF |  | Cork City | Cork City |
| 01/2015 | | Declan O'Brien | FW |  | Glenavon FC | Glenavon |