Thurmond Mark C.

TENABLE HOLDINGS INC · Co-Chief Executive Officer

Thurmond Mark C. is listed in public filings as director, officer: Co-Chief Executive Officer. This Thurmond Mark C. insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include TENABLE HOLDINGS INC (TENB). Investors use Thurmond Mark C.'s insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
TENABLE HOLDINGS INCTENB--3.5k sharesGrant / ExerciseMay 22, 2026Disclosure amount unavailable1.2k shares----
TENABLE HOLDINGS INCTENB--11.1k sharesGrant / ExerciseMay 22, 2026Disclosure amount unavailable3.7k shares----
TENABLE HOLDINGS INCTENB--15.9k sharesGrant / ExerciseMay 22, 2026Disclosure amount unavailable2.3k shares----
TENABLE HOLDINGS INCTENB--30.6k sharesGrant / ExerciseMay 22, 2026Disclosure amount unavailable4.4k shares----
TENABLE HOLDINGS INCTENB--67.1k sharesGrant / ExerciseMay 22, 2026Disclosure amount unavailable6.1k shares----
TENABLE HOLDINGS INCTENB--85.4k sharesGrant / ExerciseMay 22, 2026Disclosure amount unavailable7.8k shares----
TENABLE HOLDINGS INCTENB$4.6M179.9k sharesGrant / ExerciseMay 22, 2026$95.5K3.8k shares$25.45--
TENABLE HOLDINGS INCTENB$4.4M174k sharesGrant / ExerciseMay 22, 2026$75.0K2.9k shares$25.45--
TENABLE HOLDINGS INCTENB$4.6M182.2k sharesGrant / ExerciseMay 22, 2026$53.8K2.1k shares$25.45--
TENABLE HOLDINGS INCTENB$4.5M175.9k sharesGrant / ExerciseMay 22, 2026$45.7K1.8k shares$25.45--
TENABLE HOLDINGS INCTENB$4.3M170.9k sharesGrant / ExerciseMay 22, 2026$27.9K1.1k shares$25.45--
TENABLE HOLDINGS INCTENB$4.3M169.7k sharesGrant / ExerciseMay 22, 2026$14.3K562 shares$25.45--

Insider Trades History

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
TENABLE HOLDINGS INCTENB--341.8k sharesGrant / ExerciseFeb 26, 2026Disclosure amount unavailable341.8k shares----
TENABLE HOLDINGS INCTENB$3.2M168.3k sharesGrant / ExerciseFeb 25, 2026$224.0K11.8k shares$19.00--
TENABLE HOLDINGS INCTENB--73.1k sharesGrant / ExerciseFeb 25, 2026Disclosure amount unavailable24.4k shares----
TENABLE HOLDINGS INCTENB$2.7M152.6k sharesGrant / ExerciseFeb 23, 2026$274.4K15.6k shares$17.55--
TENABLE HOLDINGS INCTENB--3.9k sharesGrant / ExerciseFeb 23, 2026Disclosure amount unavailable3.9k shares----
TENABLE HOLDINGS INCTENB--1.4k sharesGrant / ExerciseFeb 23, 2026Disclosure amount unavailable1.4k shares----
TENABLE HOLDINGS INCTENB--4.7k sharesGrant / ExerciseFeb 23, 2026Disclosure amount unavailable1.2k shares----
TENABLE HOLDINGS INCTENB--14.9k sharesGrant / ExerciseFeb 23, 2026Disclosure amount unavailable3.7k shares----
TENABLE HOLDINGS INCTENB--18.1k sharesGrant / ExerciseFeb 23, 2026Disclosure amount unavailable2.3k shares----
TENABLE HOLDINGS INCTENB--34.9k sharesGrant / ExerciseFeb 23, 2026Disclosure amount unavailable4.4k shares----
TENABLE HOLDINGS INCTENB--93.2k sharesGrant / ExerciseFeb 23, 2026Disclosure amount unavailable46.6k shares----
TENABLE HOLDINGS INCTENB$2.1M119k sharesGrant / ExerciseFeb 23, 2026$32.7K1.9k shares$17.55--
TENABLE HOLDINGS INCTENB$2.7M155.7k sharesGrant / ExerciseFeb 23, 2026$22.5K1.3k shares$17.55--
TENABLE HOLDINGS INCTENB$2.1M121.6k sharesGrant / ExerciseFeb 23, 2026$19.1K1.1k shares$17.55--
TENABLE HOLDINGS INCTENB$2.1M117k sharesGrant / ExerciseFeb 23, 2026$11.7K666 shares$17.55--
TENABLE HOLDINGS INCTENB$2.0M114.6k sharesGrant / ExerciseFeb 23, 2026$7.0K401 shares$17.55--
TENABLE HOLDINGS INCTENB$2.0M115.4k sharesGrant / ExerciseFeb 23, 2026$6.0K342 shares$17.55--
TENABLE HOLDINGS INCTENB--1.4k sharesGrant / ExerciseNov 24, 2025Disclosure amount unavailable1.4k shares----
TENABLE HOLDINGS INCTENB--3.9k sharesGrant / ExerciseNov 24, 2025Disclosure amount unavailable3.9k shares----
TENABLE HOLDINGS INCTENB--5.8k sharesGrant / ExerciseNov 24, 2025Disclosure amount unavailable1.2k shares----
TENABLE HOLDINGS INCTENB--18.6k sharesGrant / ExerciseNov 24, 2025Disclosure amount unavailable3.7k shares----
TENABLE HOLDINGS INCTENB--20.4k sharesGrant / ExerciseNov 24, 2025Disclosure amount unavailable2.3k shares----
TENABLE HOLDINGS INCTENB--39.3k sharesGrant / ExerciseNov 24, 2025Disclosure amount unavailable4.4k shares----
TENABLE HOLDINGS INCTENB$2.9M113.6k sharesGrant / ExerciseNov 24, 2025$54.2K2.1k shares$25.68--
TENABLE HOLDINGS INCTENB$2.8M109.5k sharesGrant / ExerciseNov 24, 2025$47.9K1.9k shares$25.68--
TENABLE HOLDINGS INCTENB$2.9M111.4k sharesGrant / ExerciseNov 24, 2025$46.1K1.8k shares$25.68--
TENABLE HOLDINGS INCTENB$2.8M107.5k sharesGrant / ExerciseNov 24, 2025$28.2K1.1k shares$25.68--
TENABLE HOLDINGS INCTENB$2.7M105.7k sharesGrant / ExerciseNov 24, 2025$16.9K660 shares$25.68--
TENABLE HOLDINGS INCTENB$2.7M106.3k sharesGrant / ExerciseNov 24, 2025$14.4K562 shares$25.68--
TENABLE HOLDINGS INCTENB$3.1M105k sharesSellAug 26, 2025$75.8K2.5k shares$29.84--
TENABLE HOLDINGS INCTENB$3.1M102.3k sharesSellAug 25, 2025$862.1K28.5k shares$30.25--
TENABLE HOLDINGS INCTENB--2.7k sharesGrant / ExerciseAug 25, 2025Disclosure amount unavailable1.4k shares----
TENABLE HOLDINGS INCTENB--7.7k sharesGrant / ExerciseAug 25, 2025Disclosure amount unavailable3.9k shares----
TENABLE HOLDINGS INCTENB--7k sharesGrant / ExerciseAug 22, 2025Disclosure amount unavailable1.2k shares----
TENABLE HOLDINGS INCTENB--22.3k sharesGrant / ExerciseAug 22, 2025Disclosure amount unavailable3.7k shares----
TENABLE HOLDINGS INCTENB--22.7k sharesGrant / ExerciseAug 22, 2025Disclosure amount unavailable2.3k shares----
TENABLE HOLDINGS INCTENB--43.7k sharesGrant / ExerciseAug 22, 2025Disclosure amount unavailable4.4k shares----
TENABLE HOLDINGS INCTENB--126.5k sharesGrant / ExerciseAug 22, 2025Disclosure amount unavailable46.6k shares----
TENABLE HOLDINGS INCTENB$2.4M72.7k sharesSellMay 27, 2025$80.6K2.5k shares$32.45--
TENABLE HOLDINGS INCTENB--4.1k sharesGrant / ExerciseMay 23, 2025Disclosure amount unavailable1.4k shares----
TENABLE HOLDINGS INCTENB--11.6k sharesGrant / ExerciseMay 23, 2025Disclosure amount unavailable3.9k shares----
TENABLE HOLDINGS INCTENB$2.4M75.2k sharesSellMay 23, 2025$178.4K5.6k shares$31.98--
TENABLE HOLDINGS INCTENB--8.1k sharesGrant / ExerciseMay 22, 2025Disclosure amount unavailable1.2k shares----
TENABLE HOLDINGS INCTENB--24.9k sharesGrant / ExerciseMay 22, 2025Disclosure amount unavailable2.3k shares----
TENABLE HOLDINGS INCTENB--26k sharesGrant / ExerciseMay 22, 2025Disclosure amount unavailable3.7k shares----
TENABLE HOLDINGS INCTENB--48k sharesGrant / ExerciseMay 22, 2025Disclosure amount unavailable4.4k shares----