Tenable appointed Charles Bell to its Board as a Class III director and member of the Cybersecurity Risk Management Committee, effective October 5, 2026.
| Individual | Charles Bell |
| Role | Director; Class III director; Member, Cybersecurity Risk Management Committee |
| Type of Change | Appointed |
| Effective Date | October 5, 2026 |
| Reason | Board increased size from 10 to 11 directors and appointed Mr. Bell upon recommendation of the Nominating and Corporate Governance Committee |
| Replacement Info | Not disclosed |
| Background Details | Executive Vice President, Engineer at Microsoft (since Feb 2026); formerly EVP Security, Compliance, Identity & Management at Microsoft (2021–2026); 20+ years at Amazon (including SVP, AWS); served on Twilio board since Mar 2023; BS in Business Administration & Computer Science, CSU Fullerton |
| Board/Committee Role Changes | Appointed to Cybersecurity Risk Management Committee |
Original SEC Filing: Tenable Holdings, Inc. [ TENB ] – 8-K – Oct. 06, 2026
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