Schalke 04 Yth.: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2021-07-01 | Taylan Bulut | Schalke 04 Yth. | Schalke 04 U17 | — |
| 2021-07-01 | Batuhan Yavuz | Schalke 04 Yth. | Schalke 04 U17 | — |
| 2021-07-01 | Assan Ouédraogo | Schalke 04 Yth. | Schalke 04 U17 | — |
| 2020-07-01 | Taylan Bulut | Leverkusen Yth. | Schalke 04 Yth. | Free |
| 2020-07-01 | Mats Pannewig | Schalke 04 Yth. | Schalke 04 U17 | — |
| 2020-07-01 | Emmanuel Gyamfi | Schalke 04 Yth. | Schalke 04 U17 | — |
| 2020-07-01 | Batuhan Yavuz | Dortmund Yth. | Schalke 04 Yth. | Free |
| 2019-07-01 | Mateo Biondic | Schalke 04 Yth. | Paderborn U17 | Free |
| 2019-07-01 | Juan Cabrera | Schalke 04 Yth. | Schalke 04 U17 | — |
| 2019-07-01 | Joshua Quarshie | Schalke 04 Yth. | Düsseldorf Yth. | Free |
| 2019-07-01 | Emmanuel Gyamfi | Düsseldorf Yth. | Schalke 04 Yth. | Free |
| 2019-07-01 | Armando Güner | Schalke 04 Yth. | M'gladbach Yth. | Free |
| 2018-07-01 | Armando Güner | Bayer 05 Yth. | Schalke 04 Yth. | Free |
| 2017-07-01 | Mehmet Aydın | Schalke 04 Yth. | Schalke 04 U17 | — |
| 2017-07-01 | Mateo Biondic | Hannover Yth. | Schalke 04 Yth. | Free |
| 2017-07-01 | Malick Thiaw | Schalke 04 Yth. | Schalke 04 U17 | — |
| 2017-07-01 | Joshua Quarshie | TuRa 88 Yth. | Schalke 04 Yth. | Free |
| 2017-07-01 | Joselpho Barnes | Schalke 04 Yth. | Schalke 04 U17 | — |
| 2017-07-01 | Erdem Canpolat | Schalke 04 Yth. | Schalke 04 U17 | — |
| 2016-07-01 | Juan Cabrera | Münster Yth. | Schalke 04 Yth. | Free |