Insider to Sell 3,147 Shares After RSU Vest on 03/16/2026

Michael Rich reported intent to sell 3,147 shares of Common Stock.

Rhea-AI Filing Summary

Michael Rich reported intent to sell 3,147 shares of Common Stock. The sale is tied to the vesting of restricted stock units on 03/16/2026. The filing also records a prior sale of 4,100 shares on 12/16/2025.

Insights

Corporate Governance Analyst

Routine insider disposition tied to RSU vesting; prior recent sale recorded.

The filing lists a planned sale of 3,147 shares following RSU vesting on 03/16/2026, a common liquidity action when restricted units vest. The filing separately records a prior disposition of 4,100 shares on 12/16/2025.

Cash‑flow treatment and intended sale method are not stated in the excerpt; subsequent filings or broker reports may disclose execution details.

FAQ

What did Michael Rich file in the Form 144 for ZS?

He reported the intended sale of 3,147 shares of Common Stock tied to RSU vesting on 03/16/2026. The filing also shows a prior sale of 4,100 shares on 12/16/2025.

Are the shares being sold by Michael Rich from vested RSUs?

Yes. The filing ties the 3,147 shares to the vesting of restricted stock units on 03/16/2026, indicating the shares became eligible for sale upon vesting.

How many shares did Michael Rich sell in the past three months per the filing?

The excerpt records a prior disposition of 4,100 shares on 12/16/2025. The reported planned sale is 3,147 shares on 03/16/2026.

Does the Form 144 state how the sale will be executed or who will receive proceeds?

The provided excerpt does not state the sale method or proceeds recipient. The filing lists the shares and vesting date but does not disclose execution mechanics or cash‑flow treatment.

Which broker or dealer is listed on the Form 144?

The broker listed is Morgan Stanley Smith Barney LLC at 1 New York Plaza; the excerpt shows that firm in the filer information section.

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

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Accepted by SEC EDGAR 03/17/2026 - 08:36 PM 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	Michael 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	3147	492798.9	160790703	03/17/2026	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	03/16/2026	Vesting of Restricted Stock Units	Issuer			3147	03/16/2026	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	12/16/2025	4100	946359.13

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	03/17/2026
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/ Michael Rich
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)