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  4. [Form 4] Tenable Holdings, Inc. Insider Trading Activity

Insider tax sell-to-cover at Tenable; holdings now 61,420 shares

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

Rhea-AI Filing Summary

Tenable Holdings, Inc. (TENB) insider filed a Form 4 reporting an RSU vest and related tax sale. On 10/16/2025, 2,031 shares of common stock were acquired at $0 upon RSU vesting. On 10/17/2025, 976 shares were sold at $29.10 in a sell-to-cover transaction to satisfy tax withholding, described as an automatic transaction.

Following these moves, the reporting person beneficially owns 61,420 shares directly. The filing also shows 4,062 restricted stock units outstanding after the transactions.

Positive

  • None.

Negative

  • None.
Insider Anschutz Barron
Role Insider
Sold 976 shs ($28K)
Type Security Shares Price Value
Sale Common Stock 976 $29.10 $28K
Exercise Restricted Stock Units 2,031 $0.00 --
Exercise Common Stock 2,031 $0.00 --
Holdings After Transaction: Common Stock — 61,420 shares (Direct); Restricted Stock Units — 4,062 shares (Direct)
Footnotes (1)
  1. 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. 25% of the RSUs vested on July 16, 2025, with the remainder vesting in equal quarterly installments over the first year, 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.
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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4 UNITED 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 MD 21044
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Tenable Holdings, Inc. [ TENB ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
Officer (give title below) X Other (specify below)
Principal Accounting Officer
3. Date of Earliest Transaction (Month/Day/Year)
10/16/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
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)
Code V Amount (A) or (D) Price
Common Stock 10/16/2025 M 2,031 A $0 62,396 D
Common Stock 10/17/2025 S(1) 976 D $29.1 61,420 D
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)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Units (2) 10/16/2025 M 2,031 (3) (3) Common Stock 2,031 $0 4,062 D
Explanation of Responses:
1. 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.
2. Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock.
3. 25% of the RSUs vested on July 16, 2025, with the remainder vesting in equal quarterly installments over the first year, 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-Fact 10/20/2025
** Signature of Reporting Person Date
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.

Source: View Original Filing on SEC EDGAR

FAQ

What did Tenable (TENB) disclose in this Form 4?

An insider reported RSU vesting of 2,031 shares and a tax-related sell-to-cover sale of 976 shares at $29.10.

When did the transactions occur for TENB?

The RSU vesting occurred on 10/16/2025, and the sell-to-cover sale occurred on 10/17/2025.

How many TENB shares does the insider now hold?

After the reported transactions, the insider beneficially owns 61,420 shares directly.

What was the purpose of the share sale?

Per the footnote, the 976-share sale was an automatic sell-to-cover to satisfy tax withholding from the RSU vesting.

What RSU balance remains after these transactions?

The filing lists 4,062 restricted stock units beneficially owned after the transactions.

What price was received for the TENB shares sold?

The sell-to-cover transaction was executed at $29.10 per share.

Does the filing describe the vesting schedule?

Yes. It states 25% vested on July 16, 2025, with the remainder vesting in equal quarterly installments over the first year, subject to service conditions.