SI-BONE, Inc. provided preliminary unaudited revenue guidance for the fourth quarter and full year 2018. For the quarter, revenue is expected to be in the range of $15.4 million -$15.6 million, reflecting growth of 12%-13% compared to the prior year period. For the full year, revenue is expected to be in the range of $55.2 million -$55.4 million, reflecting growth of 15% over full year 2017.