Form 144: Proposed sale of 11,776 Common shares

The filer listed proposed sales of Common shares via a Form 144, reporting multiple blocks of restricted stock vesting under a registered plan.

Accepted by SEC EDGAR 04/07/2026 - 04:33 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

The filer listed proposed sales of Common shares via a Form 144, reporting multiple blocks of restricted stock vesting under a registered plan. The submission lists an aggregate line of 11,776 (appearing near top) and individual vesting entries such as 2,224 (09/08/2018) and 2,132 (07/20/2019).

Key Figures

Header quantity: 11,776 Vesting block: 2,224 shares Vesting block: 2,132 shares +2 more

5 metrics

Header quantity 11,776 appears in securities information header

Vesting block 2,224 shares vesting date 09/08/2018

Vesting block 2,132 shares vesting date 07/20/2019

Vesting block 1,920 shares vesting date 12/07/2019

Filer broker address 1 New York Plaza Morgan Stanley Smith Barney LLC Executive Financial Services

Key Terms

Form 144, restricted stock vesting, registered plan

3 terms

Form 144 regulatory

"144: Securities To Be Sold"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

restricted stock vesting financial

"Restricted stock vesting under a registered plan"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

registered plan regulatory

"Restricted stock vesting under a registered plan"

A registered plan is a savings or investment account that a government recognizes for special tax treatment and rules, such as limits on how much you can put in and conditions for withdrawals. For investors it matters because those rules change how much of your gains are taxed, how quickly your money can be accessed and what strategies make sense — like a labeled jar that gives tax breaks but comes with rules about when and how you can take the money out.

FAQ

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

What does the PANW Form 144 filing report?

The filing lists proposed sales of Common shares consisting of restricted stock vesting under a registered plan. It shows multiple vesting dates and quantities, for example 2,224 shares on 09/08/2018 and 2,132 shares on 07/20/2019.

Who is the broker or intermediary named on the Form 144?

The form identifies Morgan Stanley Smith Barney LLC Executive Financial Services at 1 New York Plaza as the broker/intermediary. The filing includes that address and the broker name in its header information.

How many shares are shown in the filing's top-line quantity?

A top-line quantity of 11,776 appears in the filing header. The document also lists several individual vesting entries summing to multiple separate blocks of restricted shares.

Do the entries show how the restricted shares vested?

Yes. Each listed entry is labeled as 'Restricted stock vesting under a registered plan' with a vesting date and a share quantity, and the issuer is indicated as the source for each block.

Are sale proceeds or prices disclosed in this Form 144 excerpt?

No sale prices or aggregate proceeds are provided in the excerpt. The entries show vesting dates and share quantities but do not include transaction prices or proceeds information.

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

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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	0001565570
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	PALO ALTO NETWORKS, INC.
SEC File Number	001-35594
Address of Issuer	3000 Tannery Way Santa Clara CALIFORNIA 95054
Phone	408-753-4000
Name of Person for Whose Account the Securities are To Be Sold	MARY PAT MCCARTHY
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	Former Director

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	11776	2001920.00	816000000	04/07/2026	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	12/07/2019	Restricted stock vesting under a registered plan	Issuer			1920	12/07/2019	Cash
Common	07/20/2019	Restricted stock vesting under a registered plan	Issuer			2132	07/20/2019	Cash
Common	06/09/2020	Restricted stock vesting under a registered plan	Issuer			1416	06/09/2020	Cash
Common	12/07/2019	Restricted stock vesting under a registered plan	Issuer			960	12/07/2019	Cash
Common	09/08/2018	Restricted stock vesting under a registered plan	Issuer			2224	09/08/2018	Cash
Common	09/08/2018	Restricted stock vesting under a registered plan	Issuer			1112	09/08/2018	Cash
Common	06/09/2020	Restricted stock vesting under a registered plan	Issuer			932	06/09/2020	Cash
Common	07/20/2019	Restricted stock vesting under a registered plan	Issuer			1080	07/20/2019	Cash

* 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

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	04/07/2026
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	/s/ Mary Patrice McCarthy
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)