Tenable Holdings Inc

13. Geographic Information

We operate asone operating segment. Our Co-Chief Executive Officers, who are our Chief Operating Decision Makers ("CODMs"), review financial information on a consolidated basis for purposes of making operating decisions, allocating resources and evaluating financial performance. Our CODMs review cost of sales expense, sales and marketing expense, research and development expense and general and administrative expense to assess our significant segment expenses, and review income (loss) from operations and net income (loss) to assess our operating performance. Our CODMs also review total assets, as reported on our consolidated balance sheets. See our consolidated statement of operations for our significant segment expenses, loss from operations and net loss in the periods presented.

Revenue by region, based on the address of the end user as specified in our subscription, license or service agreements, was as follows:

Customers located in the United States accounted for 53% of revenue in the three months ended March 31, 2025 and 54% of revenue in the three months ended March 31, 2024. No other country accounted for 10% or more of revenue in the periods presented.

Our property and equipment, net by geographic area is summarized as follows: