{"schema_version":"secwatch.filing_event.v1","accession":"0001660280-25-000065","form_type":"8-K","ticker":"TENB","cik":"0001660280","company_name":"Tenable Holdings, Inc.","filed_at":"2025-04-16T23:59:59+00:00","discovered_at":"2026-05-14T18:02:49.242108+00:00","generated_at":"2026-05-23T13:26:49.808621+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Tenable permanently appoints Steve Vintz and Mark Thurmond as co-CEOs","bullets":["Vintz (CFO) and Thurmond (COO) named co-CEOs permanently effective April 16, 2025.","They served as interim co-CEOs since Dec 2024; Board cites operational momentum.","Vintz will remain CFO until a search is completed; Board search for new CFO underway.","Board intends to appoint Vintz and Thurmond to the Board after May 14, 2025 annual meeting.","Acquisition of Vulcan Cyber and Tenable One platform growth occurred under their interim leadership."],"urls":{"canonical":"https://secwatch.observer/filing/0001660280-25-000065","json":"https://secwatch.observer/filing/0001660280-25-000065.json","markdown":"https://secwatch.observer/filing/0001660280-25-000065.md","text":"https://secwatch.observer/filing/0001660280-25-000065.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1660280/000166028025000065/0001660280-25-000065-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1660280/000166028025000065/tenb-20250416.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-23T13:26:49.808621+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":"77192f5051","claim":"Stephen A. Vintz was appointed as co-Chief Executive Officer at Tenable Holdings, Inc..","evidence_excerpt":"On April 16, 2025, the Company announced that the Board unanimously appointed Mr. Vintz and Mr. Thurmond as co-Chief Executive Officers on a permanent basis.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1660280/000166028025000065/0001660280-25-000065-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"co-Chief Executive Officer"}],"fact_type":"executive_change"},{"claim_id":"fc8965db5a","claim":"Mark Thurmond was appointed as co-Chief Executive Officer at Tenable Holdings, Inc..","evidence_excerpt":"On April 16, 2025, the Company announced that the Board unanimously appointed Mr. Vintz and Mr. Thurmond as co-Chief Executive Officers on a permanent basis.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1660280/000166028025000065/0001660280-25-000065-index.htm","confidence":0.95,"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"}