Zscaler officer proposes $332K share sale

The notice identifies RSU vesting on June 15 and September 15, 2026, as the source of the shares and names J.P. Morgan Securities LLC.

Available on EDGAR 09/25/2026 - 04:56 PM EDT Accepted by SEC EDGAR 09/25/2026 - 04:56 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Kevin Rubin, an Officer of Zscaler, Inc. (ZS), reported a proposed sale of 1,547 common shares with an aggregate market value of $332,048.08 through J.P. Morgan Securities LLC. The notice lists an approximate sale date of September 25, 2026, on NASDAQ. The shares listed as acquired through RSU vesting were 519 on June 15, 2026, and 1,028 on September 15, 2026. During the prior three months, Rubin reported sales of 503 shares on July 27, 2026, for $74,002.25, and 503 shares on August 25, 2026, for $87,210.48.

Key Figures

Proposed sale: 1,547 shares Aggregate market value: $332,048.08 Prior sale: 503 shares +3 more

6 metrics

Proposed sale 1,547 shares Common stock; approximate sale date September 25, 2026

Aggregate market value $332,048.08 Proposed sale

Prior sale 503 shares July 27, 2026; $74,002.25

Prior sale 503 shares August 25, 2026; $87,210.48

RSU vesting shares 519 shares June 15, 2026

RSU vesting shares 1,028 shares September 15, 2026

Key Terms

Rule 144, RSU Vesting, aggregate market value

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

RSU Vesting financial

"Common Stock | 06/15/2026 | RSU Vesting"

RSU vesting is the process by which restricted stock units — a promise by a company to give shares to an employee — become actual, owned shares over time or when certain goals are met. Investors care because vested shares can dilute existing ownership when issued, and the timing of vesting affects when employees can sell shares, which can influence share supply, insider selling patterns, and company incentives.

aggregate market value financial

"aggregate market value"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

FAQ

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

How many ZS shares did Kevin Rubin report for sale?

The notice lists a proposed sale of 1,547 common shares with an aggregate market value of $332,048.08. It gives September 25, 2026, as the approximate sale date and identifies NASDAQ as the exchange.

What ZS shares had Kevin Rubin sold in the prior three months?

Rubin reported selling 503 shares on July 27, 2026, for $74,002.25 and 503 shares on August 25, 2026, for $87,210.48.

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	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 Stock	J.P. Morgan Securities LLC 270 Park Avenue, 10th Floor New York NY 10017	1547	332048.08	163054698	09/25/2026	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 Stock	06/15/2026	RSU Vesting	Issuer			519	06/15/2026	Compensation
Common Stock	09/15/2026	RSU Vesting	Issuer			1028	09/15/2026	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 Care of Zscaler Inc 120 Holger Way San Jose CA 95134	Common	07/27/2026	503	74002.25
Kevin Rubin Care of Zscaler Inc 120 Holger Way San Jose CA 95134	Common	08/25/2026	503	87210.48

144: Remarks and Signature

Remarks
Date of Notice	09/25/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	03/24/2026
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/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Kevin Rubin
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)