Thurmond Mark C.

Reported to SECin USFilings at 1 company

No score on this page, by design. These filings come from the American register (SEC). We show them as facts, with what the share price did since each filing and since each trade; our scores, percentiles and signals run on the Dutch register only, because that is the only register the model has been validated on.

This page is free to read, and it stops after 5 rows. Those are the 5 most recent filings by this filer, out of 18. Reading the whole list, and the full version of the page each row opens (that page itself opens free, with its first rows), is part of the subscription. So are this filer’s key figures and the price change beside each line, since the filing and since the trade. What that costs is on the pricing page. Already subscribed? Sign in and this page opens in full.

The most recent filings

Most recent filing first. Reported is the day the filing reached the regulator, usually a few days after the trade itself.

5 of 18
Reported insider transactions
CompanyTypeValueReportedCompanyValueTypeSharesReported
Tenable Holdings, Inc.Co-Chief Executive OfficerOption exercisenothing paid4,368 sharesAug 25, 2026Tenable Holdings, Inc.Co-Chief Executive Officernothing paidExercise · Aug 25Option exercise4,368Aug 25, 2026
Tenable Holdings, Inc.Co-Chief Executive OfficerOption exercisenothing paid7,764 sharesAug 25, 2026Tenable Holdings, Inc.Co-Chief Executive Officernothing paidExercise · Aug 25Option exercise7,764Aug 25, 2026
Tenable Holdings, Inc.Co-Chief Executive OfficerOption exercisenothing paid3,713 sharesAug 25, 2026Tenable Holdings, Inc.Co-Chief Executive Officernothing paidExercise · Aug 25Option exercise3,713Aug 25, 2026
Tenable Holdings, Inc.Co-Chief Executive OfficerOption exercisenothing paid6,095 sharesAug 25, 2026Tenable Holdings, Inc.Co-Chief Executive Officernothing paidExercise · Aug 25Option exercise6,095Aug 25, 2026
Tenable Holdings, Inc.Co-Chief Executive OfficerOption exercisenothing paid2,267 sharesAug 25, 2026Tenable Holdings, Inc.Co-Chief Executive Officernothing paidExercise · Aug 25Option exercise2,267Aug 25, 2026