[144] Tenable Holdings, Inc. SEC Filing

Rhea-AI Filing Summary

Tenable Holdings insiders filed a Form 144 proposing to sell 670 shares of common stock through Fidelity Brokerage Services on NASDAQ, with an aggregate market value of $19,995.75 and an approximate sale date of 08/26/2025. The 670 shares were acquired via restricted stock vesting on 08/25/2025 and the payment nature is listed as compensation. The filing lists prior insider sales over the past three months totaling 52,323 shares across multiple sellers, with gross proceeds recorded for each transaction. The filer affirms no undisclosed material adverse information.

Positive

• Restricted stock vesting is disclosed, showing shares were acquired as compensation on 08/25/2025
• Broker and execution details provided (Fidelity Brokerage Services, NASDAQ), supporting market transparency
• Comprehensive listing of prior three‑month insider sales (52,323 shares) is included, meeting disclosure requirements

Negative

• Insider sales totaling 52,323 shares were reported in the past three months, which increases shares available for sale
• Proposed sale of 670 shares shortly after vesting (acquired 08/25/2025, proposed sale 08/26/2025) shows near‑term disposition of newly vested shares

Insights

Securities Analyst

TL;DR: Insider sale notice for 670 shares following recent vested awards; prior three‑month insider sales total 52,323 shares.

This Form 144 documents a proposed open‑market sale of 670 shares valued at $19,995.75, acquired upon restricted stock vesting one day earlier and designated as compensation. The filing transparently lists multiple recent insider dispositions totaling 52,323 shares across named individuals, with reported gross proceeds. The filing itself is procedural under Rule 144 and provides required broker, timing, and acquisition details; it does not include company financials or contextual commentary.

Corporate Governance Expert

TL;DR: Routine compliance disclosure showing executive/insider sales tied to compensation vesting and recent dispositions.

The notice indicates compliance with Rule 144 reporting for sales by persons associated with the issuer. The 670‑share sale is explicitly tied to restricted stock vesting and payment as compensation, which is a common source of insider shares entering the market. The filing includes a representation that the signer is unaware of undisclosed material adverse information, which is the standard attestation required on Form 144.

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	670	19995.75	121094958	08/26/2025	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	08/25/2025	Restricted Stock Vesting	Issuer			670	08/25/2025	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
James B. Anschutz 6100 Merriweather Drive Columbia MD 21044	Common	08/25/2025	1261	38149.42
Bridgett Paradise 6100 Merriweather Drive Columbia MD 21044	Common	08/25/2025	15337	463994.87
Stephen Vintz 6100 Merriweather Drive, Columbia MD 21044	Common	08/25/2025	29196	883275.35

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?

It reports a proposed sale of 670 common shares through Fidelity on NASDAQ with aggregate market value $19,995.75 and an approximate sale date of 08/26/2025.

How were the 670 shares acquired according to the filing?

The shares were acquired via restricted stock vesting on 08/25/2025 and the nature of payment is listed as compensation.

How many shares did insiders sell in the past three months for TENB?

The filing lists prior insider sales totaling 52,323 shares across named sellers, with individual gross proceeds provided for each transaction.

Which broker is handling the proposed sale in the Form 144?

Fidelity Brokerage Services LLC (900 Salem Street, Smithfield, RI) is named as the broker for the 670‑share proposed sale.

Does the filer attest to any undisclosed material information?

Yes; the person for whose account the securities are to be sold represents by signing the notice that they do not know any material adverse information not publicly disclosed.