SI-BONE, Inc. provided preliminary and unaudited revenue guidance for the fourth quarter, full year of 2019 and full year of 2020. Preliminary and unaudited revenue for fourth quarter 2019 is expected to be in the range of $19.5 million to $19.8 million, reflecting growth of 25% to 27% compared to the prior year period. Preliminary and unaudited revenue for full year 2019 is expected to be in the range of $67.0 million to $67.3 million, reflecting growth of approximately 21% over full year 2018. The company expects full year 2020 revenue to be in the range of $80 million to $82 million, representing growth of approximately 19% to 22% over preliminary and unaudited full year 2019 revenue.