Thurmond Mark C.

Co-Chief Executive Officer, DirectorTenable Holdings, Inc. (TENB) · full profile →Form 4 · filed Aug 25, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
18
12 non-derivative · 6 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Aug 24, 2026Option exercise(M)1K$0183K
Aug 24, 2026Tax withholding(F)562$33.94$19K183K
Aug 24, 2026Option exercise(M)2K$0185K
Aug 24, 2026Tax withholding(F)1K$33.94$37K184K
Aug 24, 2026Option exercise(M)6K$0190K
Aug 24, 2026Tax withholding(F)3K$33.94$100K187K
Aug 24, 2026Option exercise(M)4K$0191K
Aug 24, 2026Tax withholding(F)2K$33.94$61K189K
Aug 24, 2026Option exercise(M)8K$0197K
Aug 24, 2026Tax withholding(F)4K$33.94$127K193K
Aug 24, 2026Option exercise(M)4K$0197K
Aug 24, 2026Tax withholding(F)2K$33.94$72K195K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Aug 24, 2026Option exercise(M)1K$02K
Aug 24, 2026Option exercise(M)2K$014K
Aug 24, 2026Option exercise(M)6K$061K
Aug 24, 2026Option exercise(M)4K$07K
Aug 24, 2026Option exercise(M)8K$078K
Aug 24, 2026Option exercise(M)4K$026K

Transaction Codes

M
Option exercise / conversion
F
Shares withheld for taxes

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001651579-26-000008) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

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