Tenable is a cyber exposure company based in Columbia, MD. Tenable has helped more than 24,000 organizations around the globe 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.

Tenable began trading on the Nasdaq under symbol “TENB” on Thursday, July 26th. Shares were priced at $23 and closed its first day of trading with a gain of 31.5%. At the close of the initial public offering on Monday, Tenable estimated gross proceeds of $288.3 million from the sale of approximately 12.5 million shares of common stock, representing a market cap of $2.7 billion.