STOCK TITAN

Tenable (TENB) CAO vests RSUs and covers tax withholding in shares

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Tenable Holdings, Inc. Chief Accounting Officer Barron Anschutz reported routine equity compensation activity. On May 22, 2026, Anschutz acquired 4,223 shares of common stock through the net settlement of vested Restricted Stock Units (RSUs) and had 2,021 shares withheld by the company at $25.45 per share to cover income tax obligations, which the filing states does not represent a sale. Following these transactions, Anschutz directly holds 73,026 shares of Tenable common stock and continues to hold RSUs that may vest over time under their existing schedules.

Positive

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Insider Anschutz Barron
Role null
Type Security Shares Price Value
Exercise Restricted Stock Units 1,337 $0.00 --
Exercise Restricted Stock Units 1,258 $0.00 --
Exercise Restricted Stock Units 1,628 $0.00 --
Exercise Common Stock 1,337 $0.00 --
Tax Withholding Common Stock 640 $25.45 $16K
Exercise Common Stock 1,258 $0.00 --
Tax Withholding Common Stock 602 $25.45 $15K
Exercise Common Stock 1,628 $0.00 --
Tax Withholding Common Stock 779 $25.45 $20K
Holdings After Transaction: Restricted Stock Units — 4,011 shares (Direct, null); Common Stock — 73,010 shares (Direct, null)
Footnotes (1)
  1. 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. Each RSU represents a contingent right to receive one share of Issuer common stock. 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 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, 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.
RSU shares settled 4,223 shares Common stock delivered from RSU conversions on May 22, 2026
Shares withheld for taxes 2,021 shares Issuer tax withholding at $25.45 per share
Implied tax price $25.45 per share Value used for tax-withholding dispositions of common stock
Shares held after transactions 73,026 shares Tenable common stock directly owned by Anschutz after Form 4
Total RSU exercises 3 transactions, 4,223 shares Exercise or conversion of derivative securities (RSUs)
Tax-withholding transactions 3 transactions, 2,021 shares Payment of tax liability by delivering securities
Restricted Stock Units financial
"Each RSU represents a contingent right to receive one share of Issuer common stock."
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
net settlement financial
"in connection with the net settlement of the Restricted Stock Units ("RSUs") and does not represent a sale."
income tax withholding financial
"withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the RSUs"
derivative security financial
"transaction_code_description": "Exercise or conversion of derivative security""
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
vesting financial
"25% of the shares underlying the RSUs vested on February 22, 2026, with the remainder vesting in equal quarterly installments over 3 years"
Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Anschutz Barron

(Last)(First)(Middle)
C/O TENABLE HOLDINGS, INC.
6100 MERRIWEATHER DRIVE

(Street)
COLUMBIA MARYLAND 21044

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Tenable Holdings, Inc. [ TENB ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
Officer (give title below)XOther (specify below)
Chief Accounting Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/22/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock05/22/2026M1,337A$073,010D
Common Stock05/22/2026F640(1)D$25.4572,370D
Common Stock05/22/2026M1,258A$073,628D
Common Stock05/22/2026F602(1)D$25.4573,026D
Common Stock05/22/2026M1,628A$074,654D
Common Stock05/22/2026F779(1)D$25.4573,875D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(2)05/22/2026M1,337 (3) (3)Common Stock1,337$04,011D
Restricted Stock Units(2)05/22/2026M1,258 (4) (4)Common Stock1,258$08,806D
Restricted Stock Units(2)05/22/2026M1,628 (5) (5)Common Stock1,628$017,919D
Explanation of Responses:
1. 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.
2. Each RSU represents a contingent right to receive one share of Issuer common stock.
3. 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.
4. 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.
5. 25% of the shares underlying the RSUs vested 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.
Remarks:
/s/ David Bartholomew, Attorney-in-Fact05/26/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Tenable (TENB) report for Barron Anschutz?

Tenable reported that Chief Accounting Officer Barron Anschutz settled vested RSUs into common stock and had shares withheld to cover taxes. The activity reflects routine equity compensation rather than open-market buying or selling of Tenable shares.

How many Tenable (TENB) shares did Barron Anschutz acquire through RSU vesting?

Barron Anschutz acquired 4,223 shares of Tenable common stock through the exercise and conversion of Restricted Stock Units. Each RSU represents a contingent right to receive one share of common stock, which is delivered as the RSUs vest over time.

How many Tenable (TENB) shares were withheld for Barron Anschutz’s taxes?

Anschutz had 2,021 shares of Tenable common stock withheld by the issuer at $25.45 per share. The filing notes these shares were used to satisfy income tax withholding obligations and explicitly states this withholding does not represent a sale of shares.

What are Barron Anschutz’s Tenable (TENB) share holdings after the Form 4 transactions?

After the reported transactions, Barron Anschutz directly holds 73,026 shares of Tenable common stock. In addition, Anschutz continues to hold outstanding Restricted Stock Units that will vest in future installments, subject to continued service and specified vesting conditions.

How do the Tenable (TENB) RSU vesting schedules work for Barron Anschutz?

For each RSU grant, 25% of the underlying shares vested on a specified February 22 date, with the remainder vesting in equal quarterly installments over three years. Continued service with Tenable and certain conditions are required, with provisions for accelerated vesting in specified circumstances.