Sparta Rotterdam (Eredivisie): every transfer in and out, fees paid and earned, squad market value, €6.1m spent and €40m earned. Tracked squad: ACTUAL Value €19m, in line with the market. Valued as of 2026-08-25.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-08-19 | Andrej Kostić | AC Milan | Sparta Rotterdam | Loan |
| 2026-07-30 | Robin van Cruijsen | FC Volendam | Sparta Rotterdam | Free |
| 2026-07-29 | Mike Kleijn | Sparta Rotterdam | FC Volendam | Loan |
| 2026-07-17 | Tobias Lauritsen | Sparta Rotterdam | UC Sampdoria | Free |
| 2026-07-14 | Joshua Kitolano | Sparta Rotterdam | Bodø / Glimt | Free |
| 2026-07-10 | Youri Schoonderwaldt | Sparta Rotterdam | VVV-Venlo | Free |
| 2026-07-01 | Casper Terho | OH Leuven | Sparta R. | €600k |
| 2026-07-01 | Bas Kuipers | FC Twente Enschede | Sparta Rotterdam | €400k |
| 2026-07-01 | Nick Verschuren | Jong Ajax | Sparta Rotterdam | €800k |
| 2026-07-01 | Joshua Kitolano | Sparta R. | Bodø/Glimt | Free |
| 2026-07-01 | Tijs Velthuis | Sparta R. | PEC Zwolle | €150k |
| 2026-07-01 | Joshua Kitolano | Sparta Rotterdam | Bodø / Glimt | Free |
| 2026-07-01 | Lance Duijvestijn | Sparta Rotterdam | SV Darmstadt 98 | €800k |
| 2026-07-01 | Pelle Clement | Sparta Rotterdam | FC Groningen | Free |
| 2026-02-03 | Milan Zonneveld | Telstar | Sparta R. | — |
| 2026-02-03 | Nökkvi Thórisson | Sparta R. | Telstar | Loan |
| 2026-02-03 | Tijs Velthuis | Sparta R. | PEC Zwolle | Loan |
| 2026-02-02 | Casper Terho | OH Leuven | Sparta R. | Loan |
| 2026-01-20 | Alwande Roaldsøy | Molde FK | Sparta R. | — |
| 2026-01-20 | Alwande Roaldsøy | Molde Fotballklubb | Sparta Rotterdam | Free |