Zscaler (ZS) Chief Legal Officer discloses Form 4 stock sales and remaining shares

Rhea-AI Filing Summary

Zscaler, Inc. Chief Legal Officer reported routine share sales and updated holdings. On 12/16/2025, the officer sold 3,084 shares of common stock at an average price of $230.8193 per share to cover tax withholding on vesting restricted stock units, which the company notes was not a discretionary trade. On 12/17/2025, the officer sold an additional 2,349 shares at $232.79 per share pursuant to a pre‑established Rule 10b5-1 trading plan adopted on July 3, 2025. After these transactions, the officer beneficially owned 74,653 shares of Zscaler common stock directly and 66 shares indirectly through a spouse.

Insider Trade Summary

Net Seller: 5,433 shares ($1,258,670)

Net Sell 3 txns

Insider Schlossman Robert

Role Chief Legal Officer

Sold 5,433 shs ($1.26M)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,349	$232.79	$547K
Sale	Common Stock	3,084	$230.8193	$712K
holding	Commom Stock	--	--	--

Holdings After Transaction: Common Stock — 74,653 shares (Direct); Commom Stock — 66 shares (Indirect, See Footnote)

Footnotes (1)

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. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on July 3, 2025. The shares are held directly by the reporting person's spouse.

Form 4 Insider Transactions: What Each Field Means →

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).

X

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^*

Schlossman Robert

(Last) (First) (Middle)

C/O ZSCALER, INC.

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)
	Chief Legal Officer

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
Common Stock	12/16/2025		S(1)		3,084	D	$230.8193	77,002	D
Common Stock	12/17/2025		S(2)		2,349	D	$232.79	74,653	D
Commom Stock								66	I	See Footnote(3)

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. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on July 3, 2025.

3. The shares are held directly by the reporting person's spouse.

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.

FAQ

What insider transaction did Zscaler (ZS) disclose in this filing?

The filing reports that Zscaler's Chief Legal Officer sold Zscaler common stock in two transactions on 12/16/2025 and 12/17/2025, and updates the officer's remaining share ownership.

How many Zscaler (ZS) shares did the officer sell and at what prices?

The officer sold 3,084 shares at an average price of $230.8193 per share on 12/16/2025 and 2,349 shares at $232.79 per share on 12/17/2025.

Why were some of the Zscaler (ZS) shares sold by the Chief Legal Officer?

The filing states that 3,084 shares were sold to cover tax withholding obligations related to the vesting of restricted stock units under Zscaler's equity incentive plans and were not a discretionary trade.

Was the Zscaler (ZS) insider sale made under a Rule 10b5-1 trading plan?

Yes. The sale reported for 12/17/2025 was effected pursuant to a Rule 10b5-1 trading plan that was adopted on July 3, 2025.

How many Zscaler (ZS) shares does the officer own after these transactions?

After the reported transactions, the officer beneficially owned 74,653 shares of Zscaler common stock directly and 66 shares indirectly through the officer's spouse.

What is the reporting person's relationship to Zscaler (ZS)?

The reporting person is an officer of Zscaler, serving as the company's Chief Legal Officer, and filed this as a Form 4 for a single reporting person.