Tenable (TENB) Insider Sale Notice — 1,261 Shares from Restricted Vesting

Rhea-AI Filing Summary

Tenable Holdings, Inc. (TENB) Form 144 reports a proposed sale of 1,261 shares of common stock to be executed through Fidelity Brokerage Services on 08/25/2025 on NASDAQ, with an aggregate market value of $38,149.42. The filer states total shares outstanding of 121,094,958. The shares were acquired on 08/22/2025 through restricted stock vesting from the issuer and the payment nature is listed as compensation.

The filing also discloses recent insider sales by related persons during the past three months: James B. Anschutz sold 655 shares on 05/27/2025 (gross proceeds $21,254.29) and 970 shares on 07/17/2025 (gross proceeds $32,087.60); Stephen Vintz sold 3,386 shares on 05/27/2025 (gross proceeds $109,873.33); Bridgett Paradise sold 1,518 shares on 05/27/2025 (gross proceeds $49,258.04). The form includes the standard representation that the seller is not aware of undisclosed material adverse information.

Insights

Securities Analyst

TL;DR: Routine insider sale notice; small volume relative to shares outstanding, likely non-material to market.

The Form 144 indicates a planned sale of 1,261 vested restricted shares with an aggregate value of $38,149.42, executed via a broker on NASDAQ. Compared with the reported 121,094,958 shares outstanding, this position represents a de minimis fraction of the float. Recent related-party sales shown in the filing total several thousand shares across late May and mid-July 2025, with gross proceeds reported. There is no earnings, debt, or operational data in the filing to suggest a material corporate event. The disclosure fulfills Rule 144 notice requirements and provides transparency about insider liquidity events.

Corporate Governance Expert

TL;DR: Filing documents insider vesting and planned disposition; looks like routine compliance with Rule 144.

The record shows the securities were acquired by restricted stock vesting and are being sold as compensation proceeds, which is common for executives or employees realizing vested equity. The inclusion of recent sales by named individuals and the standard signature representation supports regulatory compliance. The form does not indicate any undisclosed material adverse information per the signer’s declaration. No governance red flags or unusual transfer structures are evident from the data provided.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	1261	38149.42	121094958	08/25/2025	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	08/22/2025	Restricted Stock Vesting	Issuer			1261	08/22/2025	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
James B. Anschutz 6100 Merriweather Drive Columbia MD 21044	Common	05/27/2025	655	21254.29
Stephen Vintz 6100 Merriweather Drive Columbia MD 21044	Common	05/27/2025	3386	109873.33
Bridgett Paradise 6100 Merriweather Drive Columbia MD 21044	Common	05/27/2025	1518	49258.04
James B. Anschutz 6100 Merriweather Drive Columbia MD 21044	Common	07/17/2025	970	32087.60

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What is the size and value of the proposed TENB sale reported on Form 144?

The notice reports a proposed sale of 1,261 common shares with an aggregate market value of $38,149.42 to be sold on 08/25/2025 on NASDAQ.

How were the shares that TENB plans to sell acquired?

The shares were acquired on 08/22/2025 through restricted stock vesting and the payment nature is listed as compensation.

How many TENB shares are outstanding according to the filing?

The filing lists 121,094,958 shares outstanding.

Were there recent related-party sales disclosed in the Form 144?

Yes. Recent sales in the past three months include: James B. Anschutz (655 shares on 05/27/2025 for $21,254.29 and 970 shares on 07/17/2025 for $32,087.60), Stephen Vintz (3,386 shares on 05/27/2025 for $109,873.33), and Bridgett Paradise (1,518 shares on 05/27/2025 for $49,258.04).

Does the filing indicate any undisclosed material adverse information about TENB?

The signer represents they do not know of any material adverse information about the issuer that has not been publicly disclosed; no undisclosed adverse information is stated in the form.