Tenable director exercises RSUs, gets new grant

Tenable Holdings director Niloofar Razi Howe reported equity compensation activity involving restricted stock units.

Rhea-AI Filing Summary

Tenable Holdings director Niloofar Razi Howe reported equity compensation activity involving restricted stock units. On May 13, 2026, 6,062 restricted stock units fully vested and were converted into 6,062 shares of common stock, increasing her direct holdings to 29,839 shares.

On the same date, she received a new grant of 9,718 restricted stock units, each representing a contingent right to one share of common stock. These new RSUs vest 100% on the earlier of May 13, 2027 or Tenable’s next annual shareholder meeting, subject to her continued service and certain acceleration conditions.

Insider Trade Summary

6,062 shares exercised/converted

Exercise 3 txns

Insider Howe Niloofar Razi

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	6,062	$0.00	$0.00
Grant/Award	Restricted Stock Units	9,718	$0.00	$0.00
Exercise	Common Stock	6,062	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 9,718 contracts (Direct); Common Stock — 29,839 shares (Direct)

Footnotes (3)

1. F1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock.
2. F2. 100% of the shares underlying the RSUs vested as of May 13, 2026.
3. F3. 100% of the shares underlying the RSUs vest on the earlier of May 13, 2027 or the Issuer's next annual shareholder meeting, 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.

Key Figures

RSUs exercised: 6,062 units New RSU grant: 9,718 units Shares after transaction: 29,839 shares +2 more

5 metrics

RSUs exercised 6,062 units RSUs converted to common stock on May 13, 2026

New RSU grant 9,718 units Awarded to director on May 13, 2026

Shares after transaction 29,839 shares Common stock directly held after RSU conversion

Outstanding RSUs 9,718 units Remain subject to future vesting conditions

RSU vesting date May 13, 2027 Latest vesting date or earlier at next shareholder meeting

Key Terms

Restricted Stock Units, contingent right, vested, accelerated vesting, +1 more

5 terms

Restricted Stock Units financial

"Each restricted stock unit ("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.

contingent right financial

"Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock."

vested financial

"100% of the shares underlying the RSUs vested as of May 13, 2026."

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.

derivative security financial

"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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did Tenable (TENB) director Niloofar Razi Howe report?

Niloofar Razi Howe reported the vesting and conversion of 6,062 RSUs into common stock and a new grant of 9,718 RSUs. These transactions reflect routine equity compensation rather than open-market share purchases or sales.

How many Tenable (TENB) shares does Niloofar Razi Howe hold after this Form 4?

After the reported transactions, Niloofar Razi Howe directly holds 29,839 shares of Tenable common stock. She also has an outstanding award of 9,718 restricted stock units, which may convert into additional shares upon future vesting.

What are the terms of the 9,718 restricted stock units granted at Tenable (TENB)?

The 9,718 RSUs each represent a contingent right to one Tenable share. They vest 100% on the earlier of May 13, 2027 or the company’s next annual shareholder meeting, assuming Howe’s continuous service and subject to specified acceleration conditions.

Did Niloofar Razi Howe buy or sell Tenable (TENB) shares on the market?

The Form 4 does not show any open-market buys or sells. It reports a derivative exercise where 6,062 RSUs converted into common stock and a grant of 9,718 new RSUs as part of equity compensation.

What does it mean that 6,062 Tenable (TENB) RSUs vested for Niloofar Razi Howe?

Vesting of 6,062 RSUs means those units satisfied their service conditions and converted into 6,062 common shares. Following this conversion, Howe’s direct Tenable share ownership increased to 29,839 shares according to the Form 4.

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

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Accepted by SEC EDGAR 05/15/2026 - 05:12 PM Learn about SEC filing dates

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^*

Howe Niloofar Razi

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/13/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/13/2026		M		6,062	A	$0	29,839	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	(1)	05/13/2026		M			6,062	(2)	(2)	Common Stock	6,062	$0	0	D
Restricted Stock Units	(1)	05/13/2026		A		9,718		(3)	(3)	Common Stock	9,718	$0	9,718	D

Explanation of Responses:

1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock.

2. 100% of the shares underlying the RSUs vested as of May 13, 2026.

3. 100% of the shares underlying the RSUs vest on the earlier of May 13, 2027 or the Issuer's next annual shareholder meeting, 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	05/15/2026
	** 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.
* Form 4: SEC 1474 (03-26)