PSS Sleman (Liga 1): every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-08-03 | Stefan Ashkovski | Mes Rafsanjan | PSS Sleman | Free |
| 2026-08-02 | Christophe Nduwarugira | Borneo | PSS Sleman | Free |
| 2026-08-01 | Moussa Bagayoko | Al Watan | PSS Sleman | Free |
| 2026-07-31 | Melvyn Lorenzen | SCG Muangthong United | PSS Sleman | Free |
| 2026-07-30 | Fornazari | BG Pathum United | PSS Sleman | Free |
| 2026-07-29 | Muhammad Dimas Drajad | Persib | PSS Sleman | Free |
| 2026-07-24 | Muhammad Fahri | PSS Sleman | Persikas | Free |
| 2026-07-20 | Terens Puhiri | PSS Sleman | Persis Solo | Free |
| 2026-07-15 | Hiromu Tanaka | Consadole Sapporo | PSS Sleman | Free |
| 2026-07-15 | Lucão | Persik Kediri | PSS Sleman | Free |
| 2026-07-15 | Riko Simanjuntak | Persija | PSS Sleman | Free |
| 2026-07-15 | Hanif Sjahbandi | Persija | PSS Sleman | Free |
| 2026-07-09 | Muhammad Fahri | PSS Sleman | TBC | Free |
| 2026-07-09 | Ahmad Nuri Fasya | PSS Sleman | PSIS Semarang | Free |
| 2026-01-11 | Ifan Nanda | PSS Sleman | Persiku Kudus | Free |
| 2025-08-22 | Player | PSMS | PSS Sleman | Free |
| 2025-08-20 | Muhammad Tahir | PSBS Biak Numfor | PSS Sleman | Loan |
| 2025-08-05 | Hokky Caraka Bintang Brilliant | PSS Sleman | Persita | Free |
| 2025-08-01 | Betinho | PSS Sleman | Arema | Free |
| 2025-08-01 | Riko Simanjuntak | Persija | PSS Sleman | Free |