TSV Hartberg (Bundesliga): every transfer in and out, fees paid and earned, squad market value, €930k spent and €2.1m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-01 | Maximilian Fillafer | TSV Hartberg | First Vienna FC | Free |
| 2026-07-01 | Jürgen Heil | TSV Hartberg | Sturm Graz | Free |
| 2026-07-01 | Julian Halwachs | TSV Hartberg | Sturm Graz II | Free |
| 2026-07-01 | Elias Havel | LASK | TSV Hartberg | €300k |
| 2026-07-01 | Damjan Kovacevic | TSV Hartberg | E. Braunschweig | Free |
| 2026-07-01 | Ammar Helac | TSV Hartberg | Sturm Graz | Free |
| 2026-02-06 | Elias Scherf | TSV Hartberg | SCR Altach | — |
| 2026-01-19 | Patrik Mijic | TSV Hartberg | Kifisia | Loan |
| 2026-01-17 | Dominik Prokop | TSV Hartberg | Zeljeznicar | Free |
| 2026-01-14 | Konstantin Schopp | Mainz | TSV Hartberg | Loan |
| 2026-01-06 | Luca Pazourek | Austria Vienna | TSV Hartberg | Loan |
| 2025-09-05 | Musibau Aziz | Dreams FC | TSV Hartberg | Loan |
| 2025-08-26 | Elias Scherf | TSV Hartberg | SV Stripfing | Loan |
| 2025-08-15 | Lukas Fridrikas | SCR Altach | TSV Hartberg | — |
| 2025-07-16 | Dominic Vincze | Rapid Vienna | TSV Hartberg | Loan |
| 2025-07-15 | Tom Ritzy Hülsmann | FC Bayern II | TSV Hartberg | — |
| 2025-07-11 | Habib Coulibaly | Without Club | TSV Hartberg | — |
| 2025-07-04 | Julian Gölles | Blau Weiss Linz | TSV Hartberg | Free |
| 2025-07-02 | Maximilian Hennig | FC Bayern II | TSV Hartberg | Loan |
| 2025-07-01 | Youba Diarra | Cádiz CF | TSV Hartberg | — |