0001647639 2022-02-18 2022-02-18 0001647639 false 8-K 2022-02-18 Upstart Holdings, Inc. DE 001-39797 46-4332431 2950 S. Delaware Street Suite 300 San Mateo CA 94403 650 204-1000 false false false false Common Stock, par value $0.0001 per share UPST NASDAQ false false