| 02 Sept 19 | N. Dicko Nouha Dicko |  Hull CityHUL | → |  VitesseVIT | Loan |
| 02 Sept 19 | J. Latibeaudiere Joel Latibeaudiere |  Manchester CityMNC | → |  FC TwenteTWE | Loan |
| 02 Sept 19 | N. Dicko Nouha Dicko | Hull CityHUL | → | VitesseVIT | Loan |
| 02 Sept 19 | A. Halilovic Alen Halilovic |  AC MilanMIL | → |  HeerenveenHEE | Loan |
| 02 Sept 19 | J. Latibeaudiere Joel Latibeaudiere | Manchester CityMNC | → | FC TwenteTWE | Loan |
| 02 Sept 19 | A. Halilovic Alen Halilovic | AC MilanMIL | → | HeerenveenHEE | Loan |
| 30 Aug 19 | Juan Castillo |  ChelseaCHE | → |  Ajax AmsterdamAJA | Loan |
| 30 Aug 19 | Juan Castillo | ChelseaCHE | → | Ajax AmsterdamAJA | Loan |
| 27 Aug 19 | C. Harries Cian Harries |  Swansea CitySWA | → |  Fortuna SittardFOR | Loan |
| 27 Aug 19 | O. Busquets Oriol Busquets |  BarcelonaBAR | → | FC TwenteTWE | Loan |
| 27 Aug 19 | O. Busquets Oriol Busquets | BarcelonaBAR | → | FC TwenteTWE | Loan |
| 27 Aug 19 | C. Harries Cian Harries | Swansea CitySWA | → | Fortuna SittardFOR | Loan |
| 23 Aug 19 | H. Lozano Hirving Lozano |  PSV EindhovenPSV | → |  NapoliNAP | Undisclosed |
| 23 Aug 19 | H. Lozano Hirving Lozano | PSV EindhovenPSV | → | NapoliNAP | Undisclosed |
| 21 Aug 19 | P. Cibicki Pawel Cibicki |  Leeds UnitedLEE | → |  ADO Den HaagADO | Loan |
| 21 Aug 19 | P. Cibicki Pawel Cibicki | Leeds UnitedLEE | → | ADO Den HaagADO | Loan |
| 09 Aug 19 | L. Schöne Lasse Schöne | Ajax AmsterdamAJA | → |  GenoaGEN | Undisclosed |
| 09 Aug 19 | L. Schöne Lasse Schöne | Ajax AmsterdamAJA | → | GenoaGEN | Undisclosed |
| 07 Aug 19 | G. Johnston George Johnston |  LiverpoolLIV | → |  Feyenoord RotterdamFEY | Undisclosed |
| 07 Aug 19 | G. Johnston George Johnston | LiverpoolLIV | → | Feyenoord RotterdamFEY | Undisclosed |
| 02 Aug 19 | K. Peterson Kristoffer Peterson |  Heracles AlmeloHER | → | Swansea CitySWA | Undisclosed |
| 02 Aug 19 | K. Peterson Kristoffer Peterson | Heracles AlmeloHER | → | Swansea CitySWA | Undisclosed |
| 30 Jul 19 | Alex Mendez |  SC FreiburgFREI | → | Ajax AmsterdamAJA | Undisclosed |
| 30 Jul 19 | Alex Mendez | SC FreiburgFREI | → | Ajax AmsterdamAJA | Undisclosed |
| 25 Jul 19 | L. Fer Leroy Fer | Swansea CitySWA | → | Feyenoord RotterdamFEY | Free |
| 25 Jul 19 | L. Fer Leroy Fer | Swansea CitySWA | → | Feyenoord RotterdamFEY | Free |
| 22 Jul 19 | J. Clasie Jordy Clasie |  SouthamptonSOU | → |  AZ AlkmaarAZ | Undisclosed |
| 22 Jul 19 | J. Clasie Jordy Clasie | SouthamptonSOU | → | AZ AlkmaarAZ | Undisclosed |
| 18 Jul 19 | D. Crowley Daniel Crowley |  Willem IIWIL | → |  Birmingham CityBIR | Undisclosed |
| 18 Jul 19 | M. de Ligt Matthijs de Ligt | Ajax AmsterdamAJA | → |  JuventusJUV | 75000000 |
| 18 Jul 19 | M. de Ligt Matthijs de Ligt | Ajax AmsterdamAJA | → | JuventusJUV | 75000000 |
| 18 Jul 19 | D. Crowley Daniel Crowley | Willem IIWIL | → | Birmingham CityBIR | Undisclosed |
| 12 Jul 19 | H. Wright Haji Wright |  Schalke 04SCHA | → |  VVV-VenloVVV | Undisclosed |
| 12 Jul 19 | H. Wright Haji Wright | Schalke 04SCHA | → | VVV-VenloVVV | Undisclosed |
| 08 Jul 19 | L. Kelly Liam Kelly |  ReadingREA | → | Feyenoord RotterdamFEY | Undisclosed |
| 08 Jul 19 | L. Kelly Liam Kelly | ReadingREA | → | Feyenoord RotterdamFEY | Undisclosed |
| 05 Jul 19 | L. Narsingh Luciano Narsingh | Swansea CitySWA | → | Feyenoord RotterdamFEY | Free |
| 05 Jul 19 | L. Narsingh Luciano Narsingh | Swansea CitySWA | → | Feyenoord RotterdamFEY | Free |
| 03 Jul 19 | Angeliño | PSV EindhovenPSV | → | Manchester CityMNC | Undisclosed |
| 03 Jul 19 | Angeliño | PSV EindhovenPSV | → | Manchester CityMNC | Undisclosed |
| 02 Jul 19 | F. Passlack Felix Passlack |  Borussia DortmundDOR | → | Fortuna SittardFOR | Loan |
| 02 Jul 19 | L. de Jong Luuk de Jong | PSV EindhovenPSV | → |  SevillaSEV | Undisclosed |
| 02 Jul 19 | F. Passlack Felix Passlack | Borussia DortmundDOR | → | Fortuna SittardFOR | Loan |
| 02 Jul 19 | L. de Jong Luuk de Jong | PSV EindhovenPSV | → | SevillaSEV | Undisclosed |
| 01 Jul 19 | Bruma |  RB LeipzigRBL | → | PSV EindhovenPSV | Undisclosed |
| 01 Jul 19 | J. Sinclair Jerome Sinclair |  WatfordWAT | → | VVV-VenloVVV | Loan |
| 01 Jul 19 | J. Grot Jay-Roy Grot | Leeds UnitedLEE | → | VitesseVIT | Loan |
| 01 Jul 19 | F. de Jong Frenkie de Jong | Ajax AmsterdamAJA | → | BarcelonaBAR | 75000000 |
| 01 Jul 19 | L. Reis Ludovit Reis |  FC GroningenGRO | → | BarcelonaBAR | 3250000 |
| 01 Jul 19 | L. de Jong Luuk de Jong | PSV EindhovenPSV | → | SevillaSEV | Undisclosed |
| 01 Jul 19 | M. Thorsby Morten Thorsby | HeerenveenHEE | → |  SampdoriaSAM | Free |
| 01 Jul 19 | S. Schreck Sam Schreck |  Bayer LeverkusenLEV | → | FC GroningenGRO | Undisclosed |
| 01 Jul 19 | D. Sinkgraven Daley Sinkgraven | Ajax AmsterdamAJA | → | Bayer LeverkusenLEV | Undisclosed |
| 01 Jul 19 | T. Kirschbaum Thorsten Kirschbaum | Bayer LeverkusenLEV | → | VVV-VenloVVV | Free |
| 01 Jul 19 | P. Verhaegh Paul Verhaegh |  VfL WolfsburgWOB | → | FC TwenteTWE | Free |
| 01 Jul 19 | I. Abass Issah Abass |  MainzMAIN | → |  FC UtrechtUTR | Loan |
| 01 Jul 19 | F. de Jong Frenkie de Jong | Ajax AmsterdamAJA | → | BarcelonaBAR | 75000000 |
| 01 Jul 19 | L. Reis Ludovit Reis | FC GroningenGRO | → | BarcelonaBAR | 3250000 |
| 01 Jul 19 | Bruma | RB LeipzigRBL | → | PSV EindhovenPSV | Undisclosed |
| 01 Jul 19 | S. Schreck Sam Schreck | Bayer LeverkusenLEV | → | FC GroningenGRO | Undisclosed |
| 01 Jul 19 | D. Sinkgraven Daley Sinkgraven | Ajax AmsterdamAJA | → | Bayer LeverkusenLEV | Undisclosed |
| 01 Jul 19 | L. de Jong Luuk de Jong | PSV EindhovenPSV | → | SevillaSEV | Undisclosed |
| 01 Jul 19 | T. Kirschbaum Thorsten Kirschbaum | Bayer LeverkusenLEV | → | VVV-VenloVVV | Free |
| 01 Jul 19 | M. Thorsby Morten Thorsby | HeerenveenHEE | → | SampdoriaSAM | Free |
| 01 Jul 19 | I. Abass Issah Abass | MainzMAIN | → | FC UtrechtUTR | Loan |
| 01 Jul 19 | J. Grot Jay-Roy Grot | Leeds UnitedLEE | → | VitesseVIT | Loan |
| 01 Jul 19 | J. Sinclair Jerome Sinclair | WatfordWAT | → | VVV-VenloVVV | Loan |
| 27 Jun 19 | S. van den Berg Sepp van den Berg |  PEC ZwollePEC | → | LiverpoolLIV | Undisclosed |
| 27 Jun 19 | S. van den Berg Sepp van den Berg | PEC ZwollePEC | → | LiverpoolLIV | Undisclosed |
| 04 Apr 19 | R. Marin Razvan Marin |  Standard LiegeSTL | → | Ajax AmsterdamAJA | 12,500,000 |
| 25 Jan 19 | A. Isak Alexander Isak | Borussia DortmundDOR | → | Willem IIWIL | Loan |
| 25 Jan 19 | A. Isak Alexander Isak | Borussia DortmundDOR | → | Willem IIWIL | Loan |
| 16 Jan 19 | Max Wober | Ajax AmsterdamAJA | → | SevillaSEV | Loan |
| 16 Jan 19 | Max Wober | Ajax AmsterdamAJA | → | SevillaSEV | Loan |
| 07 Jan 19 | R. Bazoer Riechedly Bazoer | VfL WolfsburgWOB | → | FC UtrechtUTR | Loan |
| 07 Jan 19 | T. Matthews Tashreeq Matthews | Borussia DortmundDOR | → | FC UtrechtUTR | Loan |
| 07 Jan 19 | R. Bazoer Riechedly Bazoer | VfL WolfsburgWOB | → | FC UtrechtUTR | Loan |
| 07 Jan 19 | T. Matthews Tashreeq Matthews | Borussia DortmundDOR | → | FC UtrechtUTR | Loan |
| 03 Jan 19 | P. Clement Pelle Clement | ReadingREA | → | PEC ZwollePEC | Undisclosed |
| 03 Jan 19 | P. Clement Pelle Clement | ReadingREA | → | PEC ZwollePEC | Undisclosed |
| 01 Jan 19 | L. Magallán Lisandro Magallán |  Boca JuniorsCABJ | → | Ajax AmsterdamAJA | Undisclosed |
| 01 Jan 19 | L. Magallán Lisandro Magallán | Boca JuniorsCABJ | → | Ajax AmsterdamAJA | Undisclosed |
| 01 Jan 19 | A. Jahanbakhsh Alireza Jahanbakhsh | AZ AlkmaarAZ | → |  Brighton & Hove AlbionBHA | Undisclosed |
| 01 Jan 19 | A. Jahanbakhsh Alireza Jahanbakhsh | AZ AlkmaarAZ | → | Brighton & Hove AlbionBHA | Undisclosed |