Zscaler's Adam Geller sells 25,000 shares

The chief product officer's reported sales were made under a Rule 10b5-1 trading plan adopted March 20, 2026.

Rhea-AI Filing Summary

At Zscaler, Inc. (ZS), Chief Product Officer Adam Geller exercised options for 23,958 shares at $205.61 per share on October 9, 2026, and sold 21,875 shares at $225.00 plus 2,083 shares at a weighted average $230.0006 per share. On October 12, 2026, he exercised options for 1,042 shares at $205.61 and sold 1,042 shares at $235.95. The sales were effected pursuant to a Rule 10b5-1 trading plan adopted on March 20, 2026. The options were fully vested and immediately exercisable.

Insider Trade Summary 10b5-1

Exercise and Sale: 25,000 shares ($507K approx. pre-tax spread)

Exercise and Sale 7 txns

Insider Geller Adam

Role Chief Product Officer

Sold 25,000 shs ($5.65M)

Approx. gross sale proceeds $5.65M

Approx. exercise cost $5.14M

Approx. pre-tax spread $507K

Type	Security	Shares	Price	Value
Exercise	Stock Option (right to buy) F3	1,042	$205.61	$214K
Exercise	Common Stock	1,042	$205.61	$214K
Sale	Common Stock F1	1,042	$235.95	$246K
Exercise	Stock Option (right to buy) F3	23,958	$205.61	$4.93M
Exercise	Common Stock	23,958	$205.61	$4.93M
Sale	Common Stock F1	21,875	$225.00	$4.92M
Sale	Common Stock F1, F2	2,083	$230.0006	$479K

Holdings After Transaction: Stock Option (right to buy) — 25,000 contracts (Direct); Common Stock — 38,308 shares (Direct)

Footnotes (3)

1. F1. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on March 20, 2026.
2. F2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $230.00 to $230.0014, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
3. F3. The shares subject to the options are fully vested and immediately exercisable.

Key Figures

Options exercised: 23,958 shares Options exercised: 1,042 shares Exercise price: $205.61 per share +4 more

7 metrics

Options exercised 23,958 shares October 9, 2026

Options exercised 1,042 shares October 12, 2026

Exercise price $205.61 per share Options exercised October 9 and 12, 2026

Shares sold 21,875 shares at $225.00 per share October 9, 2026

Weighted average sale price $230.0006 per share 2,083 shares sold October 9, 2026

Shares sold 1,042 shares at $235.95 per share October 12, 2026

Option expiration December 5, 2034 Options reported as exercised

Key Terms

Rule 10b5-1 trading plan, weighted average price, fully vested

3 terms

Rule 10b5-1 trading plan regulatory

"pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

weighted average price financial

"The price reported in Column 4 is a weighted average price"

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

fully vested financial

"The shares subject to the options are fully vested"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many ZS shares did Adam Geller sell, and at what prices?

Adam Geller sold 25,000 shares across transactions on October 9 and 12, 2026: 21,875 at $225.00, 2,083 at a weighted average $230.0006, and 1,042 at $235.95 per share. The sales were made under a Rule 10b5-1 trading plan adopted March 20, 2026.

What price range applied to Adam Geller's 2,083-share ZS sale?

The 2,083 shares sold on October 9, 2026, had a weighted average price of $230.0006 per share; individual sales ranged from $230.00 to $230.0014, inclusive.

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

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Available on EDGAR 10/13/2026 - 04:47 PM EDT Accepted by SEC EDGAR 10/13/2026 - 04:47 PM EDT 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).

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)

4401 GREAT AMERICA PARKWAY

(Street)

SANTA CLARA CALIFORNIA 95054

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/09/2026

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

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

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

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	10/09/2026		M		23,958	A	$205.61	62,266	D
Common Stock	10/09/2026		S(1)		21,875	D	$225	40,391	D
Common Stock	10/09/2026		S(1)		2,083	D	$230.0006(2)	38,308	D
Common Stock	10/12/2026		M		1,042	A	$205.61	39,350	D
Common Stock	10/12/2026		S(1)		1,042	D	$235.95	38,308	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
Stock Option (right to buy)	$205.61	10/09/2026		M			23,958	(3)	12/05/2034	Common Stock	23,958	$205.61	26,042	D
Stock Option (right to buy)	$205.61	10/12/2026		M			1,042	(3)	12/05/2034	Common Stock	1,042	$205.61	25,000	D

Explanation of Responses:

1. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on March 20, 2026.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $230.00 to $230.0014, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

3. The shares subject to the options are fully vested and immediately exercisable.

Remarks:

	/s/ Torrie Nute, by power of attorney	10/13/2026
	** 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.
* Form 4: SEC 1474 (03-26)