Leiston (FA Cup): every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-08-02 | K. Callan-McFadden | King's Lynn Town | Leiston | Free |
| 2025-07-11 | Player | Leiston | Kettering Town | Free |
| 2025-07-01 | Player | Leiston | Aveley | Free |
| 2025-03-27 | Player | Leiston | Kettering Town | Free |
| 2025-02-07 | Player | Needham Market | Leiston | Free |
| 2024-09-26 | Player | Needham Market | Leiston | Free |
| 2024-08-12 | Player | Bishop's Stortford | Leiston | Free |
| 2024-07-01 | Player | King's Lynn Town | Leiston | Free |
| 2024-02-13 | Ashley Boatswain | Ipswich Town U21 | Leiston | Loan |
| 2023-09-11 | Player | TBC | Leiston | Free |
| 2023-07-23 | Player | Barnet | Leiston | Free |
| 2023-07-07 | Will Davies | Leiston | Braintree Town | Free |
| 2023-07-04 | Finlay Barnes | Leiston | York City | Free |
| 2023-07-01 | Player | King's Lynn Town | Leiston | Free |
| 2023-07-01 | Player | Leiston | Chelmsford City | Free |
| 2022-07-30 | Player | Leiston | King's Lynn Town | Free |
| 2022-07-20 | Player | Hampton & Richmond | Leiston | Free |
| 2022-02-25 | Baris Altintop | King's Lynn Town | Leiston | Loan |
| 2021-09-10 | Dylan Crowe | Ipswich Town U21 | Leiston | Loan |
| 2021-07-01 | Siju Odelusi | Hayes & Yeading United | Leiston | Free |