STOCK TITAN

Tenable (NASDAQ: TENB) CAO exercises RSUs; no open-market sale

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Tenable Holdings, Inc. (TENB) reported insider equity activity by Chief Accounting Officer Barron Anschutz. On August 24, 2026, 4,224 Restricted Stock Units were exercised or converted into 4,224 shares of common stock. In connection with this net settlement, 2,022 shares of common stock were withheld by the issuer at $33.94 per share to satisfy income tax withholding and remittance obligations, and the filing states this withholding "does not represent a sale." The RSUs vest over time in quarterly installments, subject to continued service and potential accelerated vesting in specified circumstances.

Positive

  • None.

Negative

  • None.
Insider Anschutz Barron
Role Insider
Type Security Shares Price Value
Exercise Restricted Stock Units F2, F3 1,337 $0.00 $0.00
Exercise Restricted Stock Units F2, F4 1,258 $0.00 $0.00
Exercise Restricted Stock Units F2, F5 1,629 $0.00 $0.00
Exercise Common Stock 1,337 $0.00 $0.00
Tax Withholding Common Stock F1 640 $33.94 $22K
Exercise Common Stock 1,258 $0.00 $0.00
Tax Withholding Common Stock F1 602 $33.94 $20K
Exercise Common Stock 1,629 $0.00 $0.00
Tax Withholding Common Stock F1 780 $33.94 $26K
Holdings After Transaction: Restricted Stock Units — 26,512 shares (Direct); Common Stock — 76,077 shares (Direct)
Footnotes (5)
  1. 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.
  2. F2. Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock.
  3. F3. 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. F4. 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. F5. 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.
RSUs exercised or converted 4,224 shares Derivative transactions (code M) reported for August 24, 2026
Shares withheld for taxes 2,022 shares Code F tax-withholding dispositions related to RSU net settlement
Per-share amount on tax-withholding shares $33.94 per share Common stock transactions reported with code F on August 24, 2026
RSU-to-share ratio 1 RSU to 1 share Each RSU represents a contingent right to receive one share of issuer common stock
Initial vesting portion 25% For each RSU grant, 25% of shares vested on February 22 of 2024, 2025, or 2026
Remaining vesting period 3 years Remainder of RSU grants vesting in equal quarterly installments over 3 years
Restricted Stock Units financial
"Represents the number of shares of Common Stock ... net settlement of the Restricted Stock Units"
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
"obligations in connection with the net settlement of the Restricted Stock Units"
income tax withholding financial
"withheld by the issuer to satisfy its income tax withholding and remittance obligations"
contingent right financial
"Each restricted stock unit ("RSU") represents a contingent right to receive one share"
accelerated vesting financial
"subject to accelerated vesting in specified circumstances"
A contract feature that makes stock awards, options, or restricted shares become owned or exercisable earlier than the original schedule. It shortens or cancels the waiting period so recipients can sell, transfer, or exercise their equity sooner — think of a timed lock that is unlocked ahead of schedule. It matters to investors because it changes when shares enter the market, who controls them, and how much dilution or ownership concentration happens.

FAQ

What insider transactions did TENB report for Barron Anschutz on August 24, 2026?

On August 24, 2026, Barron Anschutz exercised 4,224 RSUs into 4,224 TENB common shares. In the same event, 2,022 shares were withheld by the issuer to cover income tax withholding obligations related to the net settlement of those RSUs.

Did the TENB insider Form 4 report any open-market sales of stock?

The filing states that 2,022 shares were withheld to satisfy income tax obligations and "does not represent a sale." The transactions are reported as RSU exercises and related tax-withholding dispositions, not open-market purchases or sales.

At what price were TENB shares withheld for taxes in this Form 4?

For the tax-withholding transactions, the Form 4 reports a per-share amount of $33.94 for TENB common stock. A total of 2,022 shares were withheld by the issuer at this price to satisfy income tax withholding and remittance obligations.

How many Restricted Stock Units did the TENB insider exercise or convert?

The transaction summary shows 4,224 derivative shares (RSUs) exercised or converted. These RSUs each represent a contingent right to receive one share of TENB common stock, resulting in 4,224 common shares issued upon settlement.

How do the RSUs for TENB’s Barron Anschutz vest over time?

For each RSU grant referenced, 25% of the underlying shares vested on February 22 of 2024, 2025, or 2026, respectively, with the remainder vesting in equal quarterly installments over 3 years, subject to continuous service and potential accelerated vesting in specified circumstances.

Was a Rule 10b5-1 trading plan involved in this TENB Form 4?

The document-level Rule 10b5-1 checkbox is reported as false, meaning the box for affirming that the reported transactions were made under a Rule 10b5-1 trading arrangement was not checked in this Form 4.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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)
08/24/2026
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 Stock08/24/2026M1,337A$075,212D
Common Stock08/24/2026F640(1)D$33.9474,572D
Common Stock08/24/2026M1,258A$075,830D
Common Stock08/24/2026F602(1)D$33.9475,228D
Common Stock08/24/2026M1,629A$076,857D
Common Stock08/24/2026F780(1)D$33.9476,077D
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)08/24/2026M1,337 (3) (3)Common Stock1,337$02,674D
Restricted Stock Units(2)08/24/2026M1,258 (4) (4)Common Stock1,258$07,548D
Restricted Stock Units(2)08/24/2026M1,629 (5) (5)Common Stock1,629$016,290D
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 restricted stock unit ("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-Fact08/25/2026
** 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)