STOCK TITAN

Tenable (TENB) CAO exercises 2,031 RSUs; shares withheld for taxes, holds 71,673

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

Rhea-AI Filing Summary

Tenable Holdings, Inc. Chief Accounting Officer Anschutz Barron exercised 2,031 Restricted Stock Units, receiving the same number of common shares. In connection with this vesting on April 16, 2026, 972 common shares were withheld by the company at $19.03 per share to cover income-tax obligations and are explicitly stated not to represent a sale. After these transactions, Barron directly owns 71,673 shares of Tenable common stock.

Positive

  • None.

Negative

  • None.
Insider Anschutz Barron
Role Insider
Type Security Shares Price Value
Exercise Restricted Stock Units 2,031 $0.00 --
Exercise Common Stock 2,031 $0.00 --
Tax Withholding Common Stock 972 $19.03 $18K
Holdings After Transaction: Restricted Stock Units — 0 shares (Direct); Common Stock — 72,645 shares (Direct)
Footnotes (1)
  1. 820 shares were acquired under the Issuer's Employee Stock Purchase Plan in transactions that were exempt under both Rule 16b-3(d) and Rule 16b-3(c). 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. 100% of the RSUs vested as of April 16, 2026.
RSUs vested and exercised 2,031 RSUs / shares 100% vested and converted to common stock as of April 16, 2026
Shares withheld for taxes 972 shares at $19.03 Common stock withheld to satisfy income tax obligations on RSU net settlement
Shares owned after transactions 71,673 shares Direct ownership of Tenable common stock following RSU vesting and tax withholding
Tax withholding value $19.03 per share Price used for 972 shares withheld to cover income tax obligations
ESPP shares acquired 820 shares Acquired under Employee Stock Purchase Plan; exempt under Rule 16b-3(d) and 16b-3(c)
Derivative exercises 2 transactions marked acquire Form 4 shows two acquire-side entries and one tax-withholding disposition
Restricted Stock Units financial
"Security title is reported as Restricted Stock Units, each converting into one share"
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.
Employee Stock Purchase Plan financial
"820 shares were acquired under the Issuer's Employee Stock Purchase Plan"
An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.
Rule 16b-3(d) regulatory
"transactions that were exempt under both Rule 16b-3(d) and Rule 16b-3(c)"
Rule 16b-3(c) regulatory
"transactions that were exempt under both Rule 16b-3(d) and Rule 16b-3(c)"
An SEC rule that lets corporate insiders avoid automatic "short‑swing" profit recovery when they buy or sell their company’s stock under a pre‑approved, written plan that meets specific conditions. For investors, it matters because it clarifies when insider trades are treated as routine, reducing legal uncertainty and helping distinguish trades made for ordinary compensation or pre‑planned reasons from those that might signal opportunistic or timely insider advantage.
net settlement financial
"in connection with the net settlement of the Restricted Stock Units ("RSUs")"
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)
04/16/2026
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 Stock04/16/2026M2,031A$072,645(1)D
Common Stock04/16/2026F972(2)D$19.0371,673D
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(3)04/16/2026M2,031 (4) (4)Common Stock2,031$00D
Explanation of Responses:
1. 820 shares were acquired under the Issuer's Employee Stock Purchase Plan in transactions that were exempt under both Rule 16b-3(d) and Rule 16b-3(c).
2. 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.
3. Each RSU represents a contingent right to receive one share of Issuer common stock.
4. 100% of the RSUs vested as of April 16, 2026.
Remarks:
/s/ David Bartholomew, Attorney-in-Fact04/17/2026
** 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 Anschutz Barron?

Tenable reported that Chief Accounting Officer Anschutz Barron exercised 2,031 Restricted Stock Units, receiving the same number of common shares. A portion of these shares was then withheld by the company to satisfy income tax obligations related to the vesting event.

How many Tenable (TENB) RSUs vested for Anschutz Barron and when?

A total of 2,031 Restricted Stock Units vested for Anschutz Barron, with 100% of the RSUs vesting as of April 16, 2026. Each RSU represented a contingent right to receive one share of Tenable common stock upon vesting under the company’s equity plan.

Were any of Anschutz Barron’s Tenable (TENB) shares sold in the reported Form 4?

No open-market sales were reported. The filing specifies that 972 Tenable common shares were withheld by the issuer to satisfy income tax withholding and remittance obligations and that this withholding transaction does not represent a sale of shares by Anschutz Barron.

How many Tenable (TENB) shares does Anschutz Barron own after these transactions?

Following the RSU vesting and related tax withholding, Anschutz Barron directly owns 71,673 shares of Tenable common stock. This figure reflects the net position after receiving shares from RSU conversion and the issuer’s withholding of some shares to cover income taxes.

At what price were Tenable (TENB) shares withheld for taxes on the RSUs?

The company withheld 972 shares of Tenable common stock at a price of $19.03 per share to meet its income tax withholding and remittance obligations. This withholding occurred in connection with the net settlement of the vested Restricted Stock Units on April 16, 2026.

What does each Tenable (TENB) Restricted Stock Unit represent for Anschutz Barron?

Each Restricted Stock Unit granted to Anschutz Barron represents a contingent right to receive one share of Tenable common stock. Once the RSUs vest, those rights convert into actual shares, which may then be partially withheld to cover required tax obligations.

Did Anschutz Barron acquire additional Tenable (TENB) shares through an employee plan?

A footnote states that 820 shares were acquired under Tenable’s Employee Stock Purchase Plan in transactions exempt under Rule 16b-3(d) and Rule 16b-3(c). These plan-based acquisitions are treated as exempt insider transactions under the applicable SEC rules.