Petrolul Ploiesti (Superliga): every transfer in and out, fees paid and earned, squad market value, €660k spent and €4.6m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-14 | Abat Aymbetov | Petrolul Ploiesti | Aktobe | Free |
| 2026-07-05 | Franjo Prce | Petrolul Ploiesti | Atyrau | Free |
| 2026-07-01 | Yohan Roche | Petrolul | Without Club | — |
| 2026-07-01 | Alexandru Mateiu | Petrolul | Without Club | — |
| 2026-02-13 | Moutir Chajia | Petrolul Ploiesti | Sūduva | Free |
| 2026-02-12 | Abat Aymbetov | Without Club | Petrolul | — |
| 2026-01-30 | Nana Boateng | Without Club | Petrolul | — |
| 2026-01-16 | Andres Dumitrescu | Slavia Praha | Petrolul | Free |
| 2026-01-15 | Robert Sălceanu | Petrolul | FC Rapid 1923 | €400k |
| 2026-01-15 | Rareș Pop | FC Rapid 1923 | Petrolul | Loan |
| 2026-01-14 | Cristian Ignat | FC Rapid 1923 | Petrolul | Loan |
| 2026-01-13 | Jérôme Onguéné | Petrolul | Eyüpspor | Loan |
| 2026-01-08 | Denis Radu | Petrolul | Eyüpspor | Loan |
| 2026-01-02 | Valentin Țicu | Petrolul | FC Dinamo | Free |
| 2026-01-02 | Diogo Rodrigues | Zimbru Chisinau | Petrolul | Free |
| 2026-01-01 | Ștefan Georgescu | Tel. Văleni | Petrolul | Free |
| 2025-10-09 | Marco Dulca | Without Club | Petrolul | — |
| 2025-09-10 | Ali Demirel | Petrolul | Sanliurfaspor | Free |
| 2025-09-09 | Moutir Chajia | Dinamo Batumi | Petrolul Ploiesti | Free |
| 2025-09-09 | Jérôme Onguéné | Without Club | Petrolul | — |