1. FC Union Berlin transfers of the season
![Icon: 1. FC Union Berlin](https://image-service.onefootball.com/transform?w=256&dpr=2&image=https://images.onefootball.com/icons/teams/164/174.png)
1. FC Union Berlin
Latest transfers
DONE DEAL Jakob Busk
Goalkeeper
1. FC Union Berlin
Sønderjyske
DONE DEAL Mikkel Kaufmann
Forward
1. FC Union Berlin
1. FC Heidenheim
CONTRACT RENEWAL Christopher Trimmel
Defender
Contract until June 2025
DONE DEAL Jamie Leweling
Forward
1. FC Union Berlin
VfB Stuttgart
DONE DEAL Morten Thorsby
Midfielder
1. FC Union Berlin
Genoa