Thurmond Mark C.
Co-Chief Executive Officer
Thurmond Mark C. has filed 6 SEC Form 4 filings (60 transaction rows) across 1 company, with disclosures dating back to 2025. 5 of those filings fall inside the rolling window. Most recent filing: Aug 25, 2026.
Companies traded
Other insiders at TENB
No insider trading data found for Thurmond Mark C..
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
| Date | Ticker | Type | Value |
|---|---|---|---|
| Aug 25, 2025 | TENB | Sale | $862K |
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Frequently asked questions
How many SEC Form 4 filings has Thurmond Mark C. made?
Thurmond Mark C. has filed 6 SEC Form 4 filings (60 transaction rows) across 1 company since 2025.
Which companies does Thurmond Mark C. trade?
Thurmond Mark C. has filed SEC Form 4 disclosures for 1 company, including TENB.
When was Thurmond Mark C.'s most recent SEC Form 4 filing?
Thurmond Mark C.'s most recent SEC Form 4 filing on Tracefour is dated Aug 25, 2026.
What is Thurmond Mark C.'s job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Thurmond Mark C. is listed as Co-Chief Executive Officer.