[144] Tenable Holdings, Inc. SEC Filing

Rhea-AI Filing Summary

Tenable Holdings, Inc. (TENB) Form 144 notice reports a proposed sale of 29,196 common shares via Fidelity Brokerage Services with an aggregate market value of $883,275.35. The shares were acquired on 08/22/2025 through restricted stock vesting and the intended sale date is 08/25/2025 on NASDAQ. The filer also reported a prior sale of 3,386 shares on 05/27/2025 for gross proceeds of $109,873.33. The notice includes the required representation that the seller is not aware of undisclosed material adverse information about the issuer.

Positive

• Securities were acquired by restricted stock vesting, indicating the shares resulted from compensation rather than undisclosed transactions
• Filing identifies a broker (Fidelity Brokerage Services), showing the sale is being processed through a regulated intermediary

Negative

• Proposed sale of 29,196 common shares (aggregate market value $883,275.35) is disclosed, representing an insider liquidity event
• Prior sale reported of 3,386 shares on 05/27/2025 for $109,873.33, indicating ongoing insider dispositions

Insights

Securities Analyst

TL;DR: Routine insider sale notice for vested equity; data disclosed is standard and contains no operational updates.

The Form 144 documents a planned sale of 29,196 Tenable common shares acquired by restricted stock vesting on 08/22/2025 and routed through Fidelity, scheduled for 08/25/2025. The filing also discloses a prior sale of 3,386 shares on 05/27/2025. This is a transactional disclosure required under Rule 144 and does not provide financial results or forward-looking company information. Investors should treat this as an insider liquidity event rather than an operational signal because the filing contains no commentary about company performance or undisclosed material information.

Corporate Governance Expert

TL;DR: Compliance-focused disclosure: seller affirms lack of undisclosed material information and follows Rule 144 process.

The notice indicates standard compliance with Rule 144 filing requirements: identification of broker (Fidelity Brokerage Services), details of acquisition (restricted stock vesting), and a seller representation regarding material information. The inclusion of a recent sale in May demonstrates prior disposition activity disclosed as required. There are no governance actions, director departures, or policy changes reported in this filing.

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	29196	883275.35	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			29196	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
Stephen Vintz 6100 Merriweather Drive Columbia MD 21044	Common	05/27/2025	3386	109873.33

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 does the Form 144 filed for TENB report?

The Form 144 reports a proposed sale of 29,196 Tenable common shares (aggregate market value $883,275.35) to be sold through Fidelity on NASDAQ on 08/25/2025.

How were the shares acquired that are being sold?

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

Did the filer sell any Tenable shares recently?

Yes. The filing discloses a prior sale of 3,386 shares on 05/27/2025 for gross proceeds of $109,873.33.

Which broker will handle the proposed sale?

The proposed sale is to be handled by Fidelity Brokerage Services LLC, located at the address provided in the filing.

Does the Form 144 state any undisclosed material information about Tenable?

The seller represents by signing the notice that they do not know any material adverse information about the issuer that has not been publicly disclosed.