TENB: 10-Q financial filing

tenb-20260930 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 __________________ FORM 10-Q __________________ ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended September 30, 2026 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from _____ to _____ Commission file number 001-38600 __________________ TENABLE HOLDINGS, INC. (Exact name of registrant as specified in its charter) __________________ Delaware 47-5580846 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification Number) 6100 Merriweather Drive , Columbia , Maryland 21044 (Address of principal executive offices, including zip code) ( 410 ) 872-0555 (Registrant’s telephone number, including area code) __________________ Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, par value $0.01 per share TENB The Nasdaq Stock Market LLC Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐ Indicate by check mark whether the registrant is a