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  4. [Form 4] Zscaler, Inc. Insider Trading Activity

Zscaler, Inc. (ZS) Chief Product Officer reports Form 4 stock sales

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Zscaler, Inc.'s Chief Product Officer reported two stock sales. The reporting person, an officer of Zscaler, sold 2,060 shares of common stock on 12/16/2025 at a price of $230.8193 per share and 1,620 shares on 12/17/2025 at $232.79 per share. After these transactions, the officer directly owned 50,528 shares of Zscaler common stock.

The first sale was made to cover tax withholding obligations arising from the vesting of restricted stock units under Zscaler's equity incentive plans and was not a discretionary trade. The second sale was carried out under a pre-arranged Rule 10b5-1 trading plan adopted on March 12, 2025.

Positive

  • None.

Negative

  • None.
Insider Geller Adam
Role Chief Product Officer
Sold 3,680 shs ($853K)
Type Security Shares Price Value
Sale Commom Stock 1,620 $232.79 $377K
Sale Commom Stock 2,060 $230.8193 $475K
Holdings After Transaction: Commom Stock — 50,528 shares (Direct)
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 March 12, 2025.
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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*
Geller Adam
(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)
Chief Product 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
Commom Stock 12/16/2025 S(1) 2,060 D $230.8193 52,148 D
Commom Stock 12/17/2025 S(2) 1,620 D $232.79 50,528 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. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on March 12, 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.

Source: View Original Filing on SEC EDGAR

FAQ

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

The filing reports that Zscaler's Chief Product Officer sold 2,060 shares of common stock on 12/16/2025 and 1,620 shares on 12/17/2025.

At what prices were the Zscaler (ZS) shares sold by the officer?

The officer sold Zscaler common stock at $230.8193 per share on 12/16/2025 and at $232.79 per share on 12/17/2025.

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

Following the reported sales, the officer beneficially owned 50,528 shares of Zscaler common stock directly.

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

The 2,060 shares sold on 12/16/2025 were to cover tax withholding obligations from vesting restricted stock units under Zscaler's equity incentive plans and did not represent a discretionary trade.

Was any Zscaler (ZS) share 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 adopted on March 12, 2025.

What is the reporting person’s role at Zscaler (ZS)?

The reporting person is an officer of Zscaler, serving as Chief Product Officer.