Siena Yth.: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2022-07-20 | Niccolò Rizzo | Siena Yth. | Siena U17 | — |
| 2012-07-01 | Kevin Bonifazi | Siena Jgd. | Siena U17 | — |
| 2011-07-01 | Richard Marcone | Siena Jgd. | Siena U19 | — |
| 2011-07-01 | Luigi Canotto | Siena Jgd. | Salerno | Free |
| 2011-07-01 | Kevin Bonifazi | Tre Teste J. | Siena Jgd. | Free |