Sigma Olomouc
Czech RepublicConfirmed
- RW
Matěj MikulenkaFee: €1MSep 12September 12 - RW
Jan Fialaon loanSep 11September 11 
John Isak SelbekkSep 8September 8- LB
Léo BorgesFee: €700KSep 6September 6 - ST
Mohamed YasserFee: UndisclosedAug 31August 31 - LM
Anton EkerothFee: €730KAug 9August 9 - CM
Tihomir KostadinovFee: UndisclosedJul 26July 26 - RW
Artūr DolžnikovFee: UndisclosedJul 26July 26 - GK
Tadeás Stoppenon loanJul 24July 24 - DM
Jakub Jezierskion loanJul 24July 24 - AM
Antonín RůsekFee: €620KJul 21July 21 - GK
Jakub Trefilfree transferJul 14July 14 - CM
Marko SoldoFee: €2MJul 10July 10 - ST
Hilmir MikaelssonFee: UndisclosedJul 1July 1 - LW
Danijel ŠturmFee: €4MMay 27May 27 
Václav Zahradnícekon loanFeb 16February 16- CMTihomir Kostadinovon loanFeb 13February 13
- CB
Tomás Hukon loanFeb 13February 13 - ST
Denis Kramáron loanFeb 13February 13 - CB
Adam Dohnálekon loanFeb 13February 13 - AM
Stepán LangerFeb 13February 13 - CB
Louis LurvinkFee: €800KFeb 6February 6 - GKJakub Trefilon loanFeb 6February 6
- ST
Václav SejkFee: €1.8MJan 19January 19 - RW
Jan NavrátilFee: UndisclosedJan 19January 19 - ST
John Paul DembeFee: €1.5MJan 18January 18 - RW
Fabijan KrivakJan 16January 16 - DMJakub Jezierskifree transferJan 15January 15Free agentSigma Olomouc
- LWDanijel ŠturmFee: €1.9MJan 15January 15
- CM
Péter BaráthFee: €2MJan 15January 15 - ST
Jan KlimentContract extensionNov 28, 2025 - CBAdam DohnálekContract extensionNov 17, 2025
- RB
Matěj HadašContract extensionNov 17, 2025
Matěj Mikulenka | €1M | Sep 12September 12 | |
Jan Fiala | on loan | Sep 11September 11 | |
John Isak Selbekk | Sep 8September 8 | ||
Léo Borges | €700K | Sep 6September 6 | |
Mohamed Yasser | Undisclosed | Aug 31August 31 | |
Anton Ekeroth | €730K | Aug 9August 9 | |
Tihomir Kostadinov | Undisclosed | Jul 26July 26 | |
Artūr Dolžnikov | Undisclosed | Jul 26July 26 | |
Tadeás Stoppen | on loan | Jul 24July 24 | |
Jakub Jezierski | on loan | Jul 24July 24 | |
Antonín Růsek | €620K | Jul 21July 21 | |
Jakub Trefil | free transfer | Jul 14July 14 | |
Marko Soldo | €2M | Jul 10July 10 | |
Hilmir Mikaelsson | Undisclosed | Jul 1July 1 | |
Danijel Šturm | €4M | May 27May 27 | |
Václav Zahradnícek | on loan | Feb 16February 16 | |
Tihomir Kostadinov | on loan | Feb 13February 13 | |
Tomás Huk | on loan | Feb 13February 13 | |
Denis Kramár | on loan | Feb 13February 13 | |
Adam Dohnálek | on loan | Feb 13February 13 | |
Stepán Langer | Feb 13February 13 | ||
Louis Lurvink | €800K | Feb 6February 6 | |
Jakub Trefil | on loan | Feb 6February 6 | |
Václav Sejk | €1.8M | Jan 19January 19 | |
Jan Navrátil | Undisclosed | Jan 19January 19 | |
John Paul Dembe | €1.5M | Jan 18January 18 | |
Fabijan Krivak | Jan 16January 16 | ||
Free agent Sigma Olomouc | Jakub Jezierski | free transfer | Jan 15January 15 |
Danijel Šturm | €1.9M | Jan 15January 15 | |
Péter Baráth | €2M | Jan 15January 15 | |
Jan Kliment | Contract extension | Nov 28, 2025 | |
Adam Dohnálek | Contract extension | Nov 17, 2025 | |
Matěj Hadaš | Contract extension | Nov 17, 2025 |