Question about Lenovo ThinkPad Ultra

No, according to the manufacturer's page, the dock is suitable for the following ThinkPads:
For ThinkPad P14s Gen 1; P14s Gen 2; P15s Gen 2; T14 Gen 2; T14s Gen 2; T15 Gen 2; X13 Gen 2.
https://www.lenovostore.wien/6028218000...