Spfr. Siegen (): every transfer in and out, fees paid and earned, and the market value of the squad. — spent, €75k earned. Record complete to 2017-07-01.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2017-07-01 | Marco Rente | Spfr. Siegen | TuS Erndtebrück | Free |
| 2016-07-01 | Abdelhamid Sabiri | Spfr. Siegen | Nuremberg II | Free |
| 2016-07-01 | Marco Komenda | Spfr. Siegen | M'gladbach II | Free |
| 2015-08-05 | Marco Komenda | Darmstadt U19 | Spfr. Siegen | Free |
| 2015-07-01 | Abdelhamid Sabiri | Darmstadt U19 | Spfr. Siegen | Free |
| 2015-07-01 | Marco Rente | SF Siegen U19 | Spfr. Siegen | — |
| 2013-01-01 | Sven Michel | Spfr. Siegen | M'gladbach II | €75k |
| 2011-07-01 | Sven Michel | Spfr. Siegen II | Spfr. Siegen | — |