Thurmond Mark C.

Co-Chief Executive Officer, DirectorTenable Holdings, Inc. (TENB) · full profile →Form 4 · filed Feb 27, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
4
2 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Feb 25, 2026Option exercise(M)24K$0180K
Feb 25, 2026Tax withholding(F)12K$19.00$224K168K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Feb 26, 2026Grant(A)342K$0342K
Feb 25, 2026Option exercise(M)24K$073K

Transaction Codes

M
Option exercise / conversion
F
Shares withheld for taxes
A
Grant / award

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001651579-26-000004) within minutes of acceptance. Every field above traces to the original document. Verify it directly: