MT
Mark C. Thurmond (Co-Chief Executive Officer) filed 6 Form 4 reports in the past 24 months (0 purchases, 6 sales), most often in Tenable Holdings, Inc. (TENB). The largest single filing was $862K of TENB (28,500 sh × $30.25, as filed), executed Aug 25 2025. Data as of Nov 8 2026.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
6
0 buys · 6 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$1.6M
shares × price, as filed
Last traded
Aug 25 2025
Filed Aug 26 2025
Median ADV $199.2M across their filed names
Open performance→Volume by month
Buys $0
Sells $1.6M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Technology
6 filings
Sector per market data · by filing · past 24 months
Most traded names
TENBRecent filings
TENBSALE
Tenable Holdings, Inc.
View filing →
$862K28,500 sh × $30.25
Exec Aug 25 2025
Filed Aug 26 2025 · 5:30 PM ET TENBSALE Tenable Holdings, Inc. View filing → $178K
5,577 sh × $31.98
Exec May 23 2025
Filed May 27 2025 · 5:30 PM ET TENBSALE Tenable Holdings, Inc. View filing → $415K
10,862 sh across 2 lots
Exec Feb 26 2025
Filed Feb 28 2025 · 5:30 PM ET TENBSALE Tenable Holdings, Inc. View filing → $139K
3,606 sh × $38.48
Exec Feb 25 2025
Filed Feb 26 2025 · 5:30 PM ET TENBSALE Tenable Holdings, Inc. View filing → $108K
2,537 sh × $42.56
Exec Nov 26 2024
Filed Nov 27 2024 · 5:30 PM ET TENBSALE Tenable Holdings, Inc. View filing → $100K
2,343 sh × $42.74
Exec Nov 25 2024
Filed Nov 26 2024 · 5:30 PM ET