Aerohive Networks, Inc. provided unaudited preliminary earnings guidance for the fourth quarter ended December 31, 2017. The company expects net revenue for the fourth quarter to be approximately $37 million, which is below the company's previously stated guidance of $40 million to $42 million. The company expects non-GAAP gross margin to be between 67.5% and 68.5%, above the company’s previously stated guidance of 66% to 67%. The company expects gross margin to be between 67% and 68% on a GAAP basis. On a non-GAAP basis, the company expects to report positive operating margin and a modest non–GAAP operating profit, towards the high end of the company’s previously stated guidance. On a GAAP basis, the company expects net loss to be in the range of $3 million to $4 million, primarily related to stock-based compensation expense of $3 million to $4 million.