On 28 July, Matěj Jurásek signed a new four-year contract with Slavia, keeping him at the club until the summer of 2026.

[6] On 2 July, Matěj Valenta returned to Slavia, signing on a four-year contract from Dynamo České Budějovice.

[8] On 31 August, Slavia announced the signing of Ebrima Singhateh from Paide Linnameeskond on a contract until June 2027.

[12] On 4 January, Slavia announced the signing of David Pech from Mladá Boleslav on a contract until June 2027.

[17] Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.