ZS Form 144: 4,184 RSUs Vest on 06/15/2026

ZS submitted a Rule 144 notice reporting the vesting of 4,184 restricted stock units that became issuable as common stock on 06/15/2026.

Rhea-AI Filing Summary

ZS submitted a Rule 144 notice reporting the vesting of 4,184 restricted stock units that became issuable as common stock on 06/15/2026. The filing lists Morgan Stanley Smith Barney LLC in the securities table and shows a prior sale by Michael Rich of 3,147 shares on 03/17/2026.

The filing also shows a dollar figure of $528,981.09 alongside the 4,184 share line and a listed share count of 161,709,525 with an 06/16/2026 date (shares outstanding context). The notice records the RSU vesting as compensation.

Insights

Securities Attorney

Rule 144 notice of RSU vesting and a prior small open-market disposition.

The filing documents the vesting of 4,184 restricted stock units converted to common shares on 06/15/2026. It also records a prior sale by Michael Rich of 3,147 shares on 03/17/2026. The $528,981.09 figure appears on the same line as the 4,184 shares.

Timing and cash‑flow treatment are limited to the listed dates and amounts; subsequent transfers or sales would appear in later filings. Regulatory follow-up would consist of any Form 4 or Rule 144 resale filings if shares are sold under resale conditions.

Key Figures

RSUs vested: 4,184 shares Line dollar amount: $528,981.09 Shares outstanding (context): 161,709,525 shares +2 more

5 metrics

RSUs vested 4,184 shares Vesting of Restricted Stock Units on 06/15/2026

Line dollar amount $528,981.09 Amount shown alongside the 4,184 share line in securities information

Shares outstanding (context) 161,709,525 shares Listed with date 06/16/2026 in securities information

Prior sale by Michael Rich 3,147 shares Sale on 03/17/2026 shown in the filing excerpt

Dollar value on prior sale line $492,798.80 Amount shown with Michael Rich 03/17/2026 sale line

Key Terms

Restricted Stock Units, Vesting, Form 144

3 terms

Restricted Stock Units financial

"Vesting of Restricted Stock Units | Issuer | 4184 | 06/15/2026"

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.

Vesting financial

"06/15/2026 | Vesting of Restricted Stock Units"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

Form 144 regulatory

"CONTENT METADATA indicates form_type: "144""

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.

FAQ

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

What did the ZS Form 144 report?

It reported the vesting of 4,184 restricted stock units that became common stock on 06/15/2026. The filing lists Morgan Stanley Smith Barney LLC and shows a prior sale by Michael Rich of 3,147 shares on 03/17/2026.

How many shares vested under the RSUs in the ZS filing?

The filing shows 4,184 shares tied to RSU vesting on 06/15/2026. A dollar figure of $528,981.09 is listed on that same line in the securities table.

Does the filing state shares outstanding for ZS?

Yes; the table includes a share count of 161,709,525 with an 06/16/2026 date. That number is presented as a context figure in the securities information section.

Did any insider sell shares recently according to the filing?

The filing records that Michael Rich sold 3,147 shares on 03/17/2026, with a dollar figure of $492,798.80 shown on the sale line in the excerpt.

Who is listed as the broker or filer on the Form 144?

The filing lists Morgan Stanley Smith Barney LLC with an address at 1 New York Plaza, 8th Floor, New York, NY in the securities table entry associated with the 4,184 shares.

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

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Accepted by SEC EDGAR 06/16/2026 - 06:53 PM EDT Learn about SEC filing dates

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	0002009289
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	Zscaler, Inc.
SEC File Number	001-38413
Address of Issuer	120 Holger Way San Jose CALIFORNIA 95134
Phone	408-533-0288
Name of Person for Whose Account the Securities are To Be Sold	Mike Rich
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	Officer

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	4184	528981.09	161709525	06/16/2026	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	06/15/2026	Vesting of Restricted Stock Units	Issuer			4184	06/15/2026	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
Michael Rich 120 Holger Way San Jose CA 95134	Common Stock	03/17/2026	3147	492798.8

144: Remarks and Signature

Remarks	Shares sold to cover tax withholding obligation mandated by Issuer's election under its equity incentive plans.
Date of Notice	06/16/2026
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/ Mich Rich
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)