Tenable is trading 4.63% down at $33.37 in pre-market on September 30, 2026; no clear company-specific catalyst for the decline surfaced in available search results.
- Previous close: $34.99.
- The latest company-related coverage was a September 10 Wedbush downgrade citing vulnerability-management headwinds, not a fresh announcement explaining this move.
- Major U.S. indices were nearly flat in the supplied market context, so broad-market weakness does not clearly account for the decline.