Mark C. Thurmond - 24 Nov 2025 Form 4 Insider Report for Tenable Holdings, Inc. (TENB)

Role
Co-Chief Executive Officer, Director
Signature
/s/ David Bartholomew, Attorney-in-Fact
Issuer symbol
TENB
Transactions as of
24 Nov 2025
Net transactions value
-$207,803
Form type
4
Filing time
25 Nov 2025, 19:40:39 UTC
Previous filing
27 Aug 2025
Next filing
25 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Thurmond Mark C. Co-Chief Executive Officer, Director C/O TENABLE HOLDINGS, INC., 6100 MERRIWEATHER DRIVE, COLUMBIA /s/ David Bartholomew, Attorney-in-Fact 25 Nov 2025 0001651579

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TENB Common Stock Options Exercise $0 +1,363 +1.3% $0.000000 106,364 24 Nov 2025 Direct
transaction TENB Common Stock Tax liability $16,949 -660 -0.62% $25.68 105,704 24 Nov 2025 Direct F1
transaction TENB Common Stock Options Exercise $0 +1,162 +1.1% $0.000000 106,866 24 Nov 2025 Direct
transaction TENB Common Stock Tax liability $14,432 -562 -0.53% $25.68 106,304 24 Nov 2025 Direct F1
transaction TENB Common Stock Options Exercise $0 +2,267 +2.1% $0.000000 108,571 24 Nov 2025 Direct
transaction TENB Common Stock Tax liability $28,171 -1,097 -1% $25.68 107,474 24 Nov 2025 Direct F1
transaction TENB Common Stock Options Exercise $0 +3,857 +3.6% $0.000000 111,331 24 Nov 2025 Direct
transaction TENB Common Stock Tax liability $47,893 -1,865 -1.7% $25.68 109,466 24 Nov 2025 Direct F1
transaction TENB Common Stock Options Exercise $0 +3,713 +3.4% $0.000000 113,179 24 Nov 2025 Direct
transaction TENB Common Stock Tax liability $46,121 -1,796 -1.6% $25.68 111,383 24 Nov 2025 Direct F1
transaction TENB Common Stock Options Exercise $0 +4,368 +3.9% $0.000000 115,751 24 Nov 2025 Direct
transaction TENB Common Stock Tax liability $54,236 -2,112 -1.8% $25.68 113,639 24 Nov 2025 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction TENB Performance Restricted Stock Units Options Exercise $0 -1,363 -50% $0.000000 1,365 24 Nov 2025 Common Stock 1,363 Direct F2, F3
transaction TENB Performance Restricted Stock Units Options Exercise $0 -1,162 -17% $0.000000 5,816 24 Nov 2025 Common Stock 1,162 Direct F2, F4
transaction TENB Performance Restricted Stock Units Options Exercise $0 -2,267 -10% $0.000000 20,407 24 Nov 2025 Common Stock 2,267 Direct F2, F5
transaction TENB Restricted Stock Units Options Exercise $0 -3,857 -50% $0.000000 3,857 24 Nov 2025 Common Stock 3,857 Direct F2, F6
transaction TENB Restricted Stock Units Options Exercise $0 -3,713 -17% $0.000000 18,565 24 Nov 2025 Common Stock 3,713 Direct F2, F7
transaction TENB Restricted Stock Units Options Exercise $0 -4,368 -10% $0.000000 39,312 24 Nov 2025 Common Stock 4,368 Direct F2, F8
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the Restricted Stock Units ("RSUs") and does not represent a sale.
F2 Each RSU represents a contingent right to receive one share of Issuer common stock.
F3 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.
F4 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.
F5 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.
F6 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.
F7 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.
F8 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.