Transfers
Recent player movements in and out of the squad
| Date | Player | From | To | Type |
|---|---|---|---|---|
| 28.08.2021 | K. Zouma | Chelsea | West Ham | € 35M |
| 29.07.2021 | A. Areola | Paris Saint Germain | West Ham | Loan |
| 01.07.2021 | C. Dawson | — | West Ham | N/A |
| 01.07.2021 | Xande Silva | Aris Thessalonikis | West Ham | N/A |
| 01.07.2021 | W. Reid | Brentford | West Ham | N/A |
| 01.06.2021 | O. Afolayan | — | West Ham | N/A |
| 01.06.2021 | A. Alese | — | West Ham | N/A |
| 29.01.2021 | J. Lingard | Manchester United | West Ham | Loan |
| 29.01.2021 | S. Benrahma | Brentford | West Ham | € 23.1M |
| 01.01.2021 | W. Reid | — | West Ham | N/A |
| 01.01.2021 | F. Alves | Silkeborg | West Ham | N/A |
| 16.10.2020 | S. Benrahma | Brentford | West Ham | Loan |
| 12.10.2020 | C. Dawson | — | West Ham | Loan |
| 02.10.2020 | V. Coufal | Slavia Praha | West Ham | € 5M |
| 04.08.2020 | Roberto Jiménez | Alaves | West Ham | N/A |
| 01.08.2020 | J. Cullen | — | West Ham | N/A |
| 01.08.2020 | J. Hugill | — | West Ham | N/A |
| 01.08.2020 | G. Diangana | — | West Ham | N/A |
| 24.07.2020 | T. Souček | Slavia Praha | West Ham | € 16M |
| 01.07.2020 | C. Coventry | — | West Ham | N/A |
| 31.01.2020 | J. Bowen | — | West Ham | € 20M |
| 29.01.2020 | T. Souček | Slavia Praha | West Ham | Loan |
| 15.01.2020 | D. Randolph | — | West Ham | € 4.9M |
| 08.08.2019 | A. Ajeti | FC Basel 1893 | West Ham | N/A |
| 06.08.2019 | Gonçalo Cardoso | Boavista | West Ham | € 3M |
| 17.07.2019 | S. Haller | Eintracht Frankfurt | West Ham | € 40M |
| 01.07.2019 | Roberto Jiménez | Espanyol | West Ham | Free |
| 01.07.2019 | D. Martin | — | West Ham | Free |
| 01.07.2019 | R. Oxford | FC Augsburg | West Ham | N/A |
| 01.07.2019 | J. Cullen | — | West Ham | N/A |
| 01.07.2019 | J. Powell | — | West Ham | N/A |
| 01.07.2019 | M. Browne | — | West Ham | N/A |
| 01.07.2019 | J. Hugill | — | West Ham | N/A |
| 01.07.2019 | S. Byram | Nottingham Forest | West Ham | N/A |
| 14.06.2019 | Pablo Fornals | Villarreal | West Ham | € 24M |
| 01.01.2019 | S. Nasri | Antalyaspor | West Ham | N/A |
| 09.08.2018 | Lucas Pérez | Arsenal | West Ham | € 4.4M |
| 09.08.2018 | C. Sánchez | Fiorentina | West Ham | N/A |
| 15.07.2018 | Felipe Anderson | Lazio | West Ham | € 40.5M |
| 14.07.2018 | F. Balbuena | — | West Ham | € 4M |
| 11.07.2018 | A. Yarmolenko | Borussia Dortmund | West Ham | N/A |
| 01.07.2018 | R. Burke | — | West Ham | N/A |
| 01.07.2018 | R. Oxford | Borussia Mönchengladbach | West Ham | N/A |
| 01.07.2018 | R. Fredericks | Fulham | West Ham | Free |
| 01.07.2018 | O. Afolayan | — | West Ham | N/A |
| 01.07.2018 | R. Snodgrass | Aston Villa | West Ham | N/A |
| 20.06.2018 | Ł. Fabiański | — | West Ham | € 7.9M |
| 19.06.2018 | I. Diop | Toulouse | West Ham | € 25M |
| 07.02.2018 | Patrice Evra | Marseille | West Ham | Free |
| 31.01.2018 | J. Hugill | — | West Ham | N/A |