Get the app!
Back to Trades

Thurmond Mark C.

Co-Chief Executive OfficerDirectorCIK 0001651579

Largest Purchase

No open-market purchases in the recent filings.

Profile

Filings
4
Buy transactions
0
Sell transactions
2
Companies
1
Active
2025–2026

Across 4 filings between 2025–2026, Thurmond Mark C., Co-Chief Executive Officer, Director, has disclosed $1.5M in transactions — all concentrated in Tenable Holdings, Inc. (TENB). Their disclosed trades are heavily weighted toward selling$0 in buys and $937.9K in sells. Data is sourced from official SEC Form 3, 4, and 5 filings.

Trading History

4 loaded
May 26TENB
Tenable Holdings, Inc.
Thurmond Mark C.Co-Chief Executive Officer, DirectorExercise$312.2K
Nov 25TENB
Tenable Holdings, Inc.
Thurmond Mark C.Co-Chief Executive Officer, DirectorExercise$207.8K
Aug 27TENB
Tenable Holdings, Inc.
Thurmond Mark C.Co-Chief Executive Officer, DirectorSell$75.8K
Aug 26TENB
Tenable Holdings, Inc.
Thurmond Mark C.Co-Chief Executive Officer, DirectorSell$862.1K

4 filings