0001459839 2021-01-05 2021-01-05 0001459839 false 8-K 2021-01-05 SI-BONE, INC. DE 001-38701 26-2216351 471 El Camino Real Suite 101 Santa Clara CA 95050 408 207-0700 false false false false Common Stock, par value $0.0001 per share SIBN NASDAQ true false