secwatch.observer — SEC 8-K summary ====================================== Issuer: Tenable Holdings, Inc. (TENB) CIK: 0001660280 Form: 8-K Filed at: 2026-09-15T20:23:12+00:00 Accession: 0001660280-26-000039 Event type: debt Sentiment: neutral Materiality: 0.75 Item codes: 1.01, 1.02, 2.03, 3.02, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Tenable closes $800M 0.25% convertible notes due 2031; buys back $170.5M stock ------------------------------------------------------------------------------ - Closed $800M aggregate 0.25% Convertible Senior Notes due 2031, including full $75M option exercise; net proceeds ~$778.8M. - Initial conversion price ~$44.84/share (40% premium to $32.03 close on 9/10/26); capped call cap price $64.06/share. - Used ~$64.1M for capped calls, repurchased ~$170.5M common stock, repaid term loans; terminated credit agreement 9/15/26. - Notes mature 9/15/31, interest semi-annual; conversion rate initially 22.3005 shares per $1,000 principal. - Remaining proceeds for general corporate purposes incl. share repurchases, acquisitions; Notes unregistered Rule 144A. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1660280/000166028026000039/0001660280-26-000039-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1660280/000166028026000039/tenb-20260910.htm HTML page: https://secwatch.observer/filing/0001660280-26-000039 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer