Done deal · 2026

Stefan Posch completes €4m move to FSV Mainz 05

Como → FSV Mainz 05 · €4m · Value €5m · Confirmed

Confirmed 12 Aug 2026

Stefan Posch, a defender, has completed a move from Como to FSV Mainz 05 for €4m, confirmed 12 Aug 2026. The deal is now settled in Transfer Tracker's Done Deals record.

Who broke it: Florian Plettenberg, 11 Aug 2026, 1 day before completion.

How the deal happened

• Interest · not reported
• Talks · not reported
• Agreed · not reported
• Here we go · 11 Aug 2026 · Florian Plettenberg
• Signed · 12 Aug 2026 · Gianluca Di Marzio

More business at FSV Mainz 05 and Como

• Luca Mazzitelli: Como → Palermo · Free · 10 Sept 2026
• Emil Audero: Como → Rayo Vallecano · Loan · 1 Sept 2026
• Iván Azón: Como → Getafe · Loan · 1 Sept 2026
• Moise Kean: Fiorentina → Como · Loan + obligation (€30m), loan fee €5m · 1 Sept 2026
• Nicolas Kühn: Como → Borussia Mönchengladbach · Loan + option to buy · 1 Sept 2026
• Robert Sánchez: Chelsea → Como · Loan · 1 Sept 2026
• Noel Törnqvist: Como → Monza · Loan · 31 Aug 2026
• Ignace Van der Brempt: Como → Sassuolo · Loan · 30 Aug 2026

• Stefan Posch profile, value & stats
• FSV Mainz 05 transfers & squad
• Como transfers & squad
• Done Deals · every completed transfer & spend tracker

See the full completed-deal record and more business at both clubs. Open on transfertracker.ai