Zscaler, Inc. Insider Trading Activity

Zscaler, Inc. insider reports tax-related share sale A Zscaler, Inc. executive who serves as CRO and President of Worldwide Sales reported a sale of 4,100 shares of common stock on 12/16/2025 at a price of $230.8193 per share.

Rhea-AI Filing Summary

Zscaler, Inc. insider reports tax-related share sale

A Zscaler, Inc. executive who serves as CRO and President of Worldwide Sales reported a sale of 4,100 shares of common stock on 12/16/2025 at a price of $230.8193 per share. The filing explains that these shares were sold to cover tax withholding obligations triggered by the vesting of restricted stock units under the company’s equity incentive plans, so it was not a discretionary trade.

After this transaction, the executive beneficially owns 107,497 shares of Zscaler common stock, which includes 45 shares acquired through the company’s Fiscal Year 2018 Employee Stock Purchase Plan on December 15, 2025. The report is filed for one reporting person and reflects compliance with insider ownership disclosure rules.

Insider Trade Summary

Net Seller: 4,100 shares

Net Sell 1 txn

Insider Rich Michael J.

Role CRO and President of WW Sales

Sold 4,100 shs ($946K)

Type	Security	Shares	Price	Value
Sale	Commom Stock	4,100	$230.8193	$946K

Holdings After Transaction: Commom Stock — 107,497 shares (Direct)

Footnotes (2)

1. F1. Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units as mandated by the Issuer's election under its equity incentive plans and does not represent a discretionary trade by the Reporting Person.
2. F2. Includes 45 shares acquired under the Issuer's Fiscal Year 2018 Employee Stock Purchase Plan on December 15, 2025.

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Accepted by SEC EDGAR 12/17/2025 - 06:39 PM EST Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Rich Michael J.

(Last) (First) (Middle)

120 HOLGER WAY

(Street)

SAN JOSE CA 95134

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Zscaler, Inc. [ ZS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CRO and President of WW Sales

3. Date of Earliest Transaction (Month/Day/Year)
12/16/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Commom Stock	12/16/2025		S(1)		4,100	D	$230.8193	107,497(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units as mandated by the Issuer's election under its equity incentive plans and does not represent a discretionary trade by the Reporting Person.

2. Includes 45 shares acquired under the Issuer's Fiscal Year 2018 Employee Stock Purchase Plan on December 15, 2025.

Remarks:

	/s/ Torrie Nute, by power of attorney	12/17/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.