ZS insider files Form 144 for proposed share sale

ZS filing: a Form 144 notice reporting proposed dispositions of common stock tied to vesting and prior sales.

Rhea-AI Filing Summary

ZS filing: a Form 144 notice reporting proposed dispositions of common stock tied to vesting and prior sales. The excerpt lists a vesting of Restricted Stock Units on 06/15/2026 and a prior sale on 03/17/2026 for 1,682 shares.

Insights

Insider Transactions Analyst

Form 144 shows proposed or recent insider dispositions tied to RSU vesting.

The excerpt records a vesting of Restricted Stock Units on 06/15/2026 and a reported sale on 03/17/2026

Cash‑flow treatment and aggregate proceeds are not detailed in the excerpt; subsequent filings may report completion or actual sale amounts.

Key Figures

RSU vesting date: 06/15/2026 Shares sold (prior 3 months): 1,682 shares Securities field quantity: 1,686 +2 more

5 metrics

RSU vesting date 06/15/2026 Vesting of Restricted Stock Units

Shares sold (prior 3 months) 1,682 shares Sale dated 03/17/2026 listed under 'Securities Sold During The Past 3 Months'

Securities field quantity 1,686 Quantity shown in securities information block

Dollar figure shown $263,389.76 Amount appearing in the same content block (context not specified)

Filing form type Form 144 Notice of proposed sale by an affiliate or control person

Key Terms

Restricted Stock Units, Form 144, Securities Sold During The Past 3 Months

3 terms

Restricted Stock Units financial

"Vesting of Restricted Stock Units on 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.

Form 144 regulatory

"CONTENT METADATA: "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.

Securities Sold During The Past 3 Months regulatory

"Kevin Rubin ... Common Stock 03/17/2026 1682"

FAQ

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

What does the ZS Form 144 excerpt report?

The excerpt reports a vesting of Restricted Stock Units on 06/15/2026 and a prior reported sale of 1,682 shares on 03/17/2026. It appears to be a notice of proposed dispositions.

How many shares are shown as sold in the excerpt for ZS?

The excerpt lists 1,682 shares as sold on 03/17/2026. The filing also shows separate line items with 1,686 in the securities fields and a dollar figure of $263,389.76 in the same block.

Does the excerpt indicate proceeds or who receives sale proceeds?

The excerpt does not explicitly state proceeds recipients. It lists Morgan Stanley Smith Barney LLC under securities information, but cash‑flow treatment is not specified in the provided text.

What type of securities are involved in the ZS filing?

The filing references Common Stock and the vesting of Restricted Stock Units dated 06/15/2026. The securities are compensation‑related in the excerpt.

Who is the reporting person named in the excerpt?

The excerpt names Kevin Rubin with an address in San Jose, CA, associated with a reported sale of common stock dated 03/17/2026 for 1,682 shares.

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

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Accepted by SEC EDGAR 06/16/2026 - 06:47 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	0001198529
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	Kevin Rubin
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	1686	213160.2	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			1686	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
Kevin Rubin 120 Holger Way San Jose CA 95134	Common Stock	03/17/2026	1682	263389.76

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