{"schema_version":"secwatch.filing_event.v1","accession":"0001660280-25-000002","form_type":"8-K","ticker":"TENB","cik":"0001660280","company_name":"Tenable Holdings, Inc.","filed_at":"2025-01-06T23:59:59+00:00","discovered_at":"2026-05-14T18:03:04.347811+00:00","generated_at":"2026-05-28T10:51:11.353054+00:00","sec_items":["2.02","5.02","9.01"],"event_type":"leadership","sentiment":"negative","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"Tenable CEO Amit Yoran passes away; Co-CEOs appointed; Q4 guidance affirmed","bullets":["CEO & Chairman Amit Yoran died Jan. 3, 2025 after battling cancer; had been on medical leave since Dec. 5, 2024.","Board appointed CFO Steve Vintz and COO Mark Thurmond as interim Co-CEOs; Art Coviello named Chairman.","Company expects to meet or exceed Q4 and full-year 2024 financial guidance provided on Oct. 30, 2024.","Board will conduct a CEO search including both internal and external candidates."],"urls":{"canonical":"https://secwatch.observer/filing/0001660280-25-000002","json":"https://secwatch.observer/filing/0001660280-25-000002.json","markdown":"https://secwatch.observer/filing/0001660280-25-000002.md","text":"https://secwatch.observer/filing/0001660280-25-000002.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1660280/000166028025000002/0001660280-25-000002-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1660280/000166028025000002/tenb-20250103.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-28T10:51:11.353054+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"982994bed2","claim":"Arthur W. Coviello, Jr. was appointed as Chairman of the Board at Tenable Holdings, Inc..","evidence_excerpt":"the Board appointed Arthur W. Coviello, Jr., the Board’s lead independent director, to serve as Chairman of the Board","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1660280/000166028025000002/0001660280-25-000002-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chairman of the Board"}],"fact_type":"executive_change"},{"claim_id":"a8c5ad25b5","claim":"Stephen A. Vintz was appointed as Co-Chief Executive Officer at Tenable Holdings, Inc..","evidence_excerpt":"the Board of Directors appointed Stephen A. Vintz, the Company’s Chief Financial Officer, and Mark Thurmond, the Company’s Chief Operating Officer, to serve as Co-Chief Executive Officers","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1660280/000166028025000002/0001660280-25-000002-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Co-Chief Executive Officer"}],"fact_type":"executive_change"},{"claim_id":"b930a0245b","claim":"Amit Yoran departed as Chief Executive Officer at Tenable Holdings, Inc..","evidence_excerpt":"On January 4, 2025, the Company announced with deep sadness that Mr. Yoran had passed away on January 3, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1660280/000166028025000002/0001660280-25-000002-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"passed away"},{"label":"Role","value":"Chief Executive Officer"}],"fact_type":"executive_change"},{"claim_id":"d6e750f957","claim":"Mark Thurmond was appointed as Co-Chief Executive Officer at Tenable Holdings, Inc..","evidence_excerpt":"the Board of Directors appointed Stephen A. Vintz, the Company’s Chief Financial Officer, and Mark Thurmond, the Company’s Chief Operating Officer, to serve as Co-Chief Executive Officers","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1660280/000166028025000002/0001660280-25-000002-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Co-Chief Executive Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}