Form 144: 2,263 RSU Shares to be Sold

Rule 144 notice to sell 2,263 shares of Common Stock related to the vesting of restricted stock units on 03/16/2026.

Rhea-AI Filing Summary

Rule 144 notice to sell 2,263 shares of Common Stock related to the vesting of restricted stock units on 03/16/2026. The filing lists the transaction as compensation-related vesting and notes prior dispositions of 3,084 shares on 12/16/2025 and 2,349 shares on 12/17/2025.

Insights

Equity Compensation Counsel

Routine Rule 144 notice for vested RSUs; prior December dispositions are disclosed.

The filing lists 2,263 shares of Common Stock associated with the vesting of restricted stock units on 03/16/2026. It is presented as a compensation-related disposition under Rule 144.

Timing and cash-flow treatment are attached to the vesting event; prior sales of 3,084 and 2,349 shares in 12/2025 are disclosed as sales in the past three months. Future filings will show whether the vested shares are actually sold.

FAQ

What does ZS's Form 144 report?

The Form 144 reports a proposed sale of 2,263 shares of Common Stock tied to RSU vesting on 03/16/2026. It also discloses two prior sales of 3,084 and 2,349 shares in 12/2025.

Who received the shares subject to this Form 144?

The filing ties the 2,263 shares to the vesting of restricted stock units as compensation on 03/16/2026. The excerpt identifies the transaction as issuer compensation-related vesting.

Do the December 2025 transactions affect this filing?

The filing lists prior dispositions of 3,084 shares on 12/16/2025 and 2,349 shares on 12/17/2025 as sales during the past three months, shown for disclosure alongside the current notice.

Does Form 144 confirm the shares were sold?

No. The Form 144 notifies the SEC of a proposed sale under Rule 144 for 2,263 shares related to RSU vesting on 03/16/2026; actual sale settlement details would appear in subsequent transaction filings.

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Accepted by SEC EDGAR 03/17/2026 - 07:09 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	0001435941
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	4085330288
Name of Person for Whose Account the Securities are To Be Sold	Robert Schlossman
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	2263	354370.48	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			2263	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
Robert Schlossman 120 Holger Way San Jose CA 95134	Common Stock	12/16/2025	3084	711846.72
Robert Schlossman 120 Holger Way San Jose CA 95134	Common Stock	12/17/2025	2349	546823.71

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