Tenable Holdings, Inc. announced the closing of its initial public offering of 12,535,000 shares of common stock, including the full exercise by the underwriters of their option to purchase 1,635,000 additional shares of common stock, at a price to the public of $23.00 per share. The shares are listed for trading on the Nasdaq Global Select Market under the symbol "TENB." The gross proceeds to Tenable from the offering, before deducting the underwriting discounts and commissions and other offering expenses payable by Tenable, are approximately $288.3 million.

Morgan Stanley, J.P. Morgan, Allen & Company LLC and Deutsche Bank acted as active book-running managers for the offering. Stifel acted as passive book-running manager, and William Blair and BTIG acted as co-managers for the offering.

About Tenable

Tenable® is the Cyber Exposure company. Over 24,000 organizations around the globe rely on Tenable to understand and reduce cyber risk. As the creator of Nessus®, Tenable extended its expertise in vulnerabilities to deliver Tenable.io®, the world's first platform to see and secure any digital asset on any computing platform. Tenable customers include 53 percent of the Fortune 500, 29 percent of the Global 2000 and large government agencies.