SolarWinds, a U.S.-based software company, announced the pricing of its initial public offering (IPO) of 25 million shares of its common stock at a price to the public of $15 per share.

In addition, SolarWinds has granted the underwriters a 30-day option to purchase up to an additional 3.8 million shares.

Total estimated gross proceeds of the offering are approximately $375 million or approximately $431.25 million if the underwriters exercise their option to purchase additional shares in full.

The shares are expected to begin trading on October 19, 2018, on the New York Stock Exchange under the ticker symbol SWI and the offering is expected to close on October 23, 2018, subject to customary closing conditions.