| august 24 2022 |  S. Maryadi | Mainz 05 |  FC Copenhagen #11 | RSD34 004 661 |
| august 23 2022 | S. Suharto | Mainz 05 |  FC Kuria #2 (On loan) | (RSD373 810) |
| august 19 2022 | F. Sahil | Mainz 05 |  FC Mutalau #5 (On loan) | (RSD190 599) |
| august 19 2022 |  N. Abdel Fadil | Mainz 05 | None | RSD25 000 000 |
| august 17 2022 | L. Mustafa | Mainz 05 | None | RSD25 000 000 |
| july 25 2022 |  S. Orurkin | Stanari club | Mainz 05 | RSD29 783 835 |
| july 25 2022 |  T. Pal | Xueersi | Mainz 05 | RSD27 037 601 |
| july 25 2022 |  R. Ferrero |  中国足球小将 | Mainz 05 | RSD25 000 001 |
| july 4 2022 |  M. Pop | FC Drobeta-Turnu Severin #5 | Mainz 05 | RSD923 902 |
| july 4 2022 |  J. Sinnett |  NCL Niewiem | Mainz 05 | RSD1 100 001 |
| july 1 2022 | S. Suharto | Mainz 05 |  FC Port Moresby #7 (On loan) | (RSD311 295) |
| june 30 2022 | N. Abdel Fadil | Mainz 05 | FC Abaiang (On loan) | (RSD298 151) |
| june 30 2022 | A. Ananas | Mainz 05 | None | RSD25 000 000 |
| june 29 2022 |  B. Medved | Mainz 05 |  FK Madpool | RSD61 064 115 |
| june 28 2022 | W. Boon | Mainz 05 | None | RSD25 000 000 |
| june 26 2022 | M. Kartodirdjo | Mainz 05 |  FC Kabul #2 | RSD27 471 081 |
| may 10 2022 | A. Ananas | Mainz 05 |  FC Sukabumi (On loan) | (RSD394 643) |
| may 10 2022 | W. Boon | Mainz 05 | FC Port Moresby (On loan) | (RSD296 890) |
| may 6 2022 | W. Ananas | Mainz 05 |  Arab Telecom Fraud Group | RSD26 282 724 |
| may 5 2022 | M. Ubaidullah | Mainz 05 | FC Tarawa #7 | RSD25 260 931 |
| april 13 2022 | S. Yik | Mainz 05 | FC Blora | RSD24 137 072 |
| april 12 2022 |  S. Rajarama | Mainz 05 | Tutong FC #21 | RSD22 605 201 |
| march 23 2022 |  G. De Carli | AS Vigevano | Mainz 05 | RSD1 181 697 |
| march 19 2022 | A. Ananas | Mainz 05 | FC Port Moresby #5 (On loan) | (RSD309 212) |
| march 16 2022 |  E. Pertile | Mainz 05 |  FC Pava'ia'i #4 | RSD29 434 690 |
Museum