Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Browse the full record of transactions filed by Thurmond Mark C.. Officer active across 1 company, notably Tenable Holdings, Inc.. Aggregated, 64 reports have been logged. Breakdown: 0 buy · 23 sells. Total volume traded: €3.8m. History available since 17 November 2022. The latest transaction was disclosed on 24 August 2026 (Levée d'options). Regulator: SEC (Form 4). The full history is accessible without signup.
Companies and markets linked to Thurmond Mark C.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Thurmond Mark C. is a declarant linked to Tenable Holdings, Inc. on XNAS, where the listed role is Co-Chief Executive Officer. He has 52 filings in total, and across the recent filings tracked, the transactions are only sales, for EUR 3764851, from 2022-11-21 to 2026-02-27, with the most frequent transaction nature listed as option exercise.