Grantham (): every transfer in and out, fees paid and earned, and the market value of the squad.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2019-02-10 | Jordan Adebayo-Smith | Lincoln City | Grantham | Loan |
| 2018-10-10 | Shane Blaney | Doncaster | Grantham | Loan |
| 2018-08-09 | Max Watters | Doncaster | Grantham | Loan |