| 31 Aug 18 | V. Anita Vurnon Anita |  Leeds UnitedLEE | → |  Willem IIWIL | Loan |
| 31 Aug 18 | V. Anita Vurnon Anita | Leeds UnitedLEE | → | Willem IIWIL | Loan |
| 23 Aug 18 | S. de Jong Siem de Jong |  Ajax AmsterdamAJA | → |  Sydney FCSYD | Loan |
| 23 Aug 18 | S. de Jong Siem de Jong | Ajax AmsterdamAJA | → | Sydney FCSYD | Loan |
| 21 Aug 18 | M. Ødegaard Martin Ødegaard |  Real MadridMAD | → |  VitesseVIT | Loan |
| 21 Aug 18 | M. Ødegaard Martin Ødegaard | Real MadridMAD | → | VitesseVIT | Loan |
| 17 Aug 18 | T. Letschert Timo Letschert |  SassuoloSAS | → |  FC UtrechtUTR | Loan |
| 17 Aug 18 | T. Letschert Timo Letschert | SassuoloSAS | → | FC UtrechtUTR | Loan |
| 16 Aug 18 | D. Avdijaj Donis Avdijaj |  Schalke 04SCHA | → | Willem IIWIL | Undisclosed |
| 16 Aug 18 | D. Avdijaj Donis Avdijaj | Schalke 04SCHA | → | Willem IIWIL | Undisclosed |
| 12 Aug 18 | O. Tannane Oussama Tannane |  Saint-EtienneASSE | → | FC UtrechtUTR | Loan |
| 12 Aug 18 | O. Tannane Oussama Tannane | Saint-EtienneASSE | → | FC UtrechtUTR | Loan |
| 06 Aug 18 | J. Delle Joris Delle |  NEC NijmegenNEC | → |  Feyenoord RotterdamFEY | Free |
| 31 Jul 18 | Philippe Sandler |  PEC ZwollePEC | → |  Manchester CityMNC | Undisclosed |
| 31 Jul 18 | S. Arias Santiago Arias |  PSV EindhovenPSV | → |  Atletico MadridATL | — |
| 31 Jul 18 | Philippe Sandler | PEC ZwollePEC | → | Manchester CityMNC | Undisclosed |
| 31 Jul 18 | S. Arias Santiago Arias | PSV EindhovenPSV | → | Atletico MadridATL | — |
| 25 Jul 18 | J. Clasie Jordy Clasie |  SouthamptonSOU | → | Feyenoord RotterdamFEY | Loan |
| 25 Jul 18 | J. Clasie Jordy Clasie | SouthamptonSOU | → | Feyenoord RotterdamFEY | Loan |
| 25 Jul 18 | A. Jahanbakhsh Alireza Jahanbakhsh |  AZ AlkmaarAZ | → |  Brighton & Hove AlbionBHA | Undisclosed |
| 25 Jul 18 | A. Jahanbakhsh Alireza Jahanbakhsh | AZ AlkmaarAZ | → | Brighton & Hove AlbionBHA | Undisclosed |
| 17 Jul 18 | D. Sidoel Darren Sidoel | Ajax AmsterdamAJA | → |  ReadingREA | Free |
| 17 Jul 18 | D. Blind Daley Blind |  Manchester UnitedMAN | → | Ajax AmsterdamAJA | Undisclosed |
| 17 Jul 18 | D. Blind Daley Blind | Manchester UnitedMAN | → | Ajax AmsterdamAJA | Undisclosed |
| 17 Jul 18 | D. Sidoel Darren Sidoel | Ajax AmsterdamAJA | → | ReadingREA | Free |
| 07 Jul 18 | Erik Palmer-Brown | Manchester CityMNC | → |  NAC BredaNAC | Loan |
| 07 Jul 18 | Erik Palmer-Brown | Manchester CityMNC | → | NAC BredaNAC | Loan |
| 06 Jul 18 | Eduardo |  ChelseaCHE | → | VitesseVIT | Loan |
| 06 Jul 18 | Eduardo | ChelseaCHE | → | VitesseVIT | Loan |
| 05 Jul 18 | J. Grot Jay-Roy Grot | Leeds UnitedLEE | → |  VVV-VenloVVV | Loan |
| 05 Jul 18 | J. Grot Jay-Roy Grot | Leeds UnitedLEE | → | VVV-VenloVVV | Loan |
| 02 Jul 18 | J. Clark-Salter Jake Clark-Salter | ChelseaCHE | → | VitesseVIT | Loan |
| 02 Jul 18 | J. Clark-Salter Jake Clark-Salter | ChelseaCHE | → | VitesseVIT | Loan |
| 01 Jul 18 | J. Brenet Joshua Brenet | PSV EindhovenPSV | → |  TSG HoffenheimHOF | Undisclosed |
| 01 Jul 18 | W. Weghorst Wout Weghorst | AZ AlkmaarAZ | → |  VfL WolfsburgWOB | Undisclosed |
| 01 Jul 18 | D. Tadic Dusan Tadic | SouthamptonSOU | → | Ajax AmsterdamAJA | 10000000 |
| 01 Jul 18 | J. Blaswich Janis Blaswich |  Borussia MonchengladbachMON | → |  Heracles AlmeloHER | Undisclosed |
| 01 Jul 18 | J. Brenet Joshua Brenet | PSV EindhovenPSV | → | TSG HoffenheimHOF | Undisclosed |
| 01 Jul 18 | L. Guwara Leon Guwara |  Werder BremenWER | → | FC UtrechtUTR | Undisclosed |
| 01 Jul 18 | W. Weghorst Wout Weghorst | AZ AlkmaarAZ | → | VfL WolfsburgWOB | Undisclosed |
| 01 Jul 18 | M. Clark Max Clark |  Hull CityHUL | → | VitesseVIT | Free |
| 01 Jul 18 | M. Clark Max Clark | Hull CityHUL | → | VitesseVIT | Free |
| 01 Jul 18 | D. Tadic Dusan Tadic | SouthamptonSOU | → | Ajax AmsterdamAJA | 10000000 |
| 01 Jul 18 | J. Blaswich Janis Blaswich | Borussia MonchengladbachMON | → | Heracles AlmeloHER | Undisclosed |
| 01 Jul 18 | L. Guwara Leon Guwara | Werder BremenWER | → | FC UtrechtUTR | Undisclosed |
| 22 Jun 18 | J. Kluivert Justin Kluivert | Ajax AmsterdamAJA | → |  AS RomaROMA | 17250000 |
| 22 Jun 18 | J. Kluivert Justin Kluivert | Ajax AmsterdamAJA | → | AS RomaROMA | 17250000 |
| 21 Jun 18 | J. Bacuna Juninho Bacuna |  FC GroningenGRO | → |  Huddersfield TownHUD | Undisclosed |
| 21 Jun 18 | J. Bacuna Juninho Bacuna | FC GroningenGRO | → | Huddersfield TownHUD | Undisclosed |
| 14 Jun 18 | G. Kashia Guram Kashia | VitesseVIT | → |  San Jose EarthquakesSJ | Undisclosed |
| 14 Jun 18 | G. Kashia Guram Kashia | VitesseVIT | → | San Jose EarthquakesSJ | Undisclosed |
| 31 Jan 18 | R. Beerens Roy Beerens | ReadingREA | → | VitesseVIT | Undisclosed |
| 31 Jan 18 | A. Georgen Alec Georgen |  Paris Saint-Germain PSG | → | AZ AlkmaarAZ | Loan |
| 31 Jan 18 | A. Georgen Alec Georgen | Paris Saint-Germain PSG | → | AZ AlkmaarAZ | Loan |
| 31 Jan 18 | R. Beerens Roy Beerens | ReadingREA | → | VitesseVIT | Undisclosed |
| 31 Jan 18 | M. Rashica Milot Rashica | VitesseVIT | → | Werder BremenWER | Undisclosed |
| 31 Jan 18 | M. Rashica Milot Rashica | VitesseVIT | → | Werder BremenWER | Undisclosed |
| 29 Jan 18 | P. Struijk Pascal Struijk | Ajax AmsterdamAJA | → | Leeds UnitedLEE | Undisclosed |
| 29 Jan 18 | P. Struijk Pascal Struijk | Ajax AmsterdamAJA | → | Leeds UnitedLEE | Undisclosed |
| 22 Jan 18 | M. Klich Mateusz Klich | Leeds UnitedLEE | → | FC UtrechtUTR | Loan |
| 22 Jan 18 | M. Klich Mateusz Klich | Leeds UnitedLEE | → | FC UtrechtUTR | Loan |
| 19 Jan 18 | J. Locadia Jürgen Locadia | PSV EindhovenPSV | → | Brighton & Hove AlbionBHA | Undisclosed |
| 19 Jan 18 | J. Locadia Jürgen Locadia | PSV EindhovenPSV | → | Brighton & Hove AlbionBHA | Undisclosed |
| 18 Jan 18 | J. Pelupessy Joel Pelupessy | Heracles AlmeloHER | → |  Sheffield WednesdaySHW | Undisclosed |
| 18 Jan 18 | J. Pelupessy Joel Pelupessy | Heracles AlmeloHER | → | Sheffield WednesdaySHW | Undisclosed |
| 03 Jan 18 | T. Antonis Terry Antonis | VVV-VenloVVV | → |  Melbourne VictoryMVC | Free |
| 03 Jan 18 | T. Antonis Terry Antonis | VVV-VenloVVV | → | Melbourne VictoryMVC | Free |