$ Value
$0
Shares
46,585
Price
$0
Filed
Aug 26
Insider
Name
Thurmond Mark C.
Title
Co-Chief Executive Officer
CIK
0001651579
Roles
Transaction Details
Transaction Date
2025-08-22
Code
M
Table
Derivative
Ownership
Direct
Equity Swap
No
Shares After
139,758
Footnotes
The sale reported on this Form 4 represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. The sale occurred automatically to satisfy the tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person. | Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock. | On February 21, 2024, the Compensation Committee of the Issuer's Board of Directors certified the achievement of the Performance Restricted Stock Units (PRSUs) granted on February 22, 2023 and determined a 93.9% payout for the measurement period based on the Issuer's fiscal year 2023 criteria. 25% of the shares underlying the PRSUs vested on February 22, 2024, with the remainder vesting in equal quarterly installments over 3 years, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date, and subject to accelerated vesting in specified circumstances. | On February 13, 2025, the Compensation Committee of the Issuer's Board of Directors certified the achievement of the Performance Restricted Stock Units (PRSUs) granted on February 22, 2024 and determined a 96.4% payout for the measurement period based on the Issuer's fiscal year 2024 criteria. 25% of the shares underlying the PRSUs vested on February 22, 2025, with the remainder vesting in equal quarterly installments over 3 years, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date, and subject to accelerated vesting in specified circumstances. | 25% of the shares underlying the RSUs vested on February 22, 2024, with the remainder vesting in equal quarterly installments over 3 years, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date, and subject to accelerated vesting in specified circumstances. | 25% of the shares underlying the RSUs vested on August 22, 2025, then 25% of the remaining will vest on February 22, 2026, with the remainder vesting in equal quarterly installments over 3 years, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date, and subject to accelerated vesting in specified circumstances. | 25% of the shares underlying the RSUs vested on February 22, 2025, with the remainder vesting in equal quarterly installments over 3 years, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date, and subject to accelerated vesting in specified circumstances. | On February 22, 2023, the Compensation Committee of the Issuer's Board of Directors certified the achievement of the Performance Restricted Stock Units (PRSUs) granted on February 23, 2022 and determined a 106% payout for the measurement period based on the Issuer's fiscal year 2022 criteria. 25% of the shares underlying the PRSUs vested on February 23, 2023, with the remainder vesting in equal quarterly installments over 3 years, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date, and subject to accelerated vesting in specified circumstances. | 25% of the shares underlying the RSUs vested on February 23, 2023, with the remainder vesting in equal quarterly installments over 3 years, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date, and subject to accelerated vesting in specified circumstances.
Filing Info
Thurmond Mark C.'s History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-02-26 | TENB | A | $0 |
| 2026-02-25 | TENB | M | $0 |
| 2026-02-25 | TENB | F | $224K |
| 2026-02-25 | TENB | M | $0 |
| 2026-02-23 | TENB | M | $0 |
| 2026-02-23 | TENB | F | $7K |
| 2026-02-23 | TENB | M | $0 |
| 2026-02-23 | TENB | F | $6K |
| 2026-02-23 | TENB | M | $0 |
| 2026-02-23 | TENB | F | $12K |
Other Insiders at TENB (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
| COVIELLO ARTHUR W JR | $258K | — | 2026-02-09 |
| Vicks Raymond Jr. | $100K | — | 2026-02-12 |
| Anschutz Barron | — | — | 2026-04-16 |
|
Vintz Stephen A
Co-Chief Executive Officer
|
— | — | 2026-02-26 |
|
Thurmond Mark C.
Co-Chief Executive Officer
|
— | — | 2026-02-26 |
|
Brown Matthew Charles
Chief Financial Officer
|
— | — | 2026-02-26 |