Inogen, Inc. provided preliminary unaudited revenue guidance for the three-month and twelve-month periods ended December 31, 2021. For the three months, the company expects revenue to be in the range of $75.9 to $76.9 million, up 2.6% to 3.9% from the same period in 2020.

For the year, the company expects revenue to be in the range of $357.5 to $358.5 million, up 15.9% to 16.2% from 2020.