February 26, 2026 · Form 4 insider transaction
Thurmond Mark C. bought 341,847 shares of Tenable Holdings, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 1 day after the transaction.
Each RSU represents a contingent right to receive one share of Issuer common stock.; 25% of the shares underlying the RSUs vest on February 22, 2027, with the remainder vesting in equal quarterly installments over 3 years, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date, and subject to accelerated vesting in specified circumstances.