Form4insider filings, from the source

Company · CIK 0001660280 · SIC 7372 — Services-Prepackaged Software · Nasdaq

Tenable Holdings, Inc. · TENB

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $207k · 3net −$207k
$10k$10k$100k$100k$1M$1MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 13Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 24, 2026 FMForm 4 →Aug 25, 4:03 pm EDTMark C. ThurmondCo-Chief Executive Officer, Director37,637$33.94$416,376195,289—
Aug 24, 2026 FMForm 4 →Aug 25, 4:03 pm EDTBarron AnschutzOther6,246$33.94$68,62776,077—
Aug 24, 2026 FMForm 4 →Aug 25, 4:02 pm EDTStephen A VintzCo-Chief Executive Officer, Director40,534$33.94$445,327624,816—
Aug 21, 2026 FMForm 4 →Aug 25, 4:03 pm EDTMatthew Charles BrownChief Financial Officer21,944$34.38$254,41247,010—
Aug 18, 2026 SForm 4 →Aug 20, 4:07 pm EDTLinda Kay ZecherDirector1,390$35.61$49,4967,012−16.5%
Aug 7, 2026 SForm 4 →Aug 11, 4:02 pm EDTRaymond Vicks Jr.Director1,819$35.94$65,37520,509−8.15%10b5-1
Aug 5, 2026 FMForm 4 →Aug 7, 7:46 pm EDTStephen A VintzCo-Chief Executive Officer, Director724,170$24.63$17,834,714610,524—
Aug 3, 2026 SForm 4 →Aug 11, 4:02 pm EDTLinda Kay ZecherDirector2,620$34.98$91,6558,402−23.8% late

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 24, 2026 MForm 4 →Aug 25, 4:03 pm EDTMark C. ThurmondCo-Chief Executive Officer, Director25,369——26,208—
Aug 24, 2026 MForm 4 →Aug 25, 4:03 pm EDTBarron AnschutzOther4,224——16,290—
Aug 24, 2026 MForm 4 →Aug 25, 4:02 pm EDTStephen A VintzCo-Chief Executive Officer, Director27,413——27,114—
Aug 21, 2026 MForm 4 →Aug 25, 4:03 pm EDTMatthew Charles BrownChief Financial Officer14,544——174,536—
Aug 5, 2026 MForm 4 →Aug 7, 7:46 pm EDTStephen A VintzCo-Chief Executive Officer, Director423,434——0—