Zscaler CFO Kevin Rubin sells 519 shares

The chief financial officer's reported sales were made under a Rule 10b5-1 plan adopted March 24, 2026.

Rhea-AI Filing Summary

Zscaler, Inc. Chief Financial Officer Kevin Rubin reported selling 519 shares of common stock on September 25, 2026, across 12 transaction entries. The prices shown for those entries are weighted averages, with footnotes giving transaction-specific price ranges. The sales were made under a Rule 10b5-1 trading plan adopted on March 24, 2026.

Insider Trade Summary 10b5-1

Net Seller: 519 shares

Net Sell 12 txns

Insider RUBIN KEVIN

Role Chief Financial Officer

Sold 519 shs ($102K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F2	100	$194.7592	$19K
Sale	Common Stock F1, F3	189	$195.6431	$37K
Sale	Common Stock F1, F4	118	$196.5724	$23K
Sale	Common Stock F1, F5	3	$197.3167	$591.95
Sale	Common Stock F1, F6	9	$199.7133	$2K
Sale	Common Stock F1, F7	20	$201.1101	$4K
Sale	Common Stock F1, F8	5	$202.058	$1K
Sale	Common Stock F1, F9	36	$203.1452	$7K
Sale	Common Stock F1, F10	12	$204.4167	$2K
Sale	Common Stock F1, F11	20	$205.3495	$4K
Sale	Common Stock F1, F12	4	$205.9925	$823.97
Sale	Common Stock F1	3	$207.80	$623.40

Holdings After Transaction: Common Stock — 42,768 shares (Direct)

Footnotes (12)

1. F1. The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 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 $194.15 to $195.14, 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 ranges set forth in footnotes (2) through (12) to this Form 4.
3. F3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $195.19 to $196.1698, 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 ranges set forth in footnotes (2) through (12) to this Form 4.
4. F4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $196.19 to $197.05, 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 ranges set forth in footnotes (2) through (12) to this Form 4.
5. F5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $197.19 to $197.46, 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 ranges set forth in footnotes (2) through (12) to this Form 4.
6. F6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $199.50 to $199.87, 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 ranges set forth in footnotes (2) through (12) to this Form 4.
7. F7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.54 to $201.4035, 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 ranges set forth in footnotes (2) through (12) to this Form 4.
8. F8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.68 to $202.29, 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 ranges set forth in footnotes (2) through (12) to this Form 4.
9. F9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.84 to $203.61, 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 ranges set forth in footnotes (2) through (12) to this Form 4.
10. F10. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.89 to $204.75, 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 ranges set forth in footnotes (2) through (12) to this Form 4.
11. F11. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.89 to $205.75, 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 ranges set forth in footnotes (2) through (12) to this Form 4.
12. F12. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.99 to $206.00, 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 ranges set forth in footnotes (2) through (12) to this Form 4.

Key Figures

Common shares sold: 519 shares Reported sale entries: 12 entries Weighted-average sale price: $194.7592 per share +4 more

7 metrics

Common shares sold 519 shares September 25, 2026

Reported sale entries 12 entries September 25, 2026

Weighted-average sale price $194.7592 per share 100 shares; September 25, 2026

Weighted-average sale price $195.6431 per share 189 shares; September 25, 2026

Weighted-average sale price $196.5724 per share 118 shares; September 25, 2026

Weighted-average sale price $203.1452 per share 36 shares; September 25, 2026

Rule 10b5-1 plan adoption date March 24, 2026 Plan associated with the reported sales

Key Terms

Rule 10b5-1 trading plan, weighted average price

2 terms

Rule 10b5-1 trading plan regulatory

"a Rule 10b5-1 trading plan adopted on March 24, 2026"

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.

FAQ

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

How many ZS shares did CFO Kevin Rubin sell?

Kevin Rubin reported selling 519 shares of Zscaler common stock on September 25, 2026, across 12 transaction entries. The sales were made under a Rule 10b5-1 trading plan adopted on March 24, 2026.

What prices did Kevin Rubin report for the ZS share sales?

The 12 reported prices were weighted averages: 100 shares at $194.7592; 189 at $195.6431; 118 at $196.5724; 3 at $197.3167; 9 at $199.7133; 20 at $201.1101; 5 at $202.0580; 36 at $203.1452; 12 at $204.4167; 20 at $205.3495; 4 at $205.9925; and 3 at $207.8000 per share.

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

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Available on EDGAR 09/28/2026 - 08:20 PM Accepted by SEC EDGAR 09/28/2026 - 08:20 PM 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^*

RUBIN KEVIN

(Last) (First) (Middle)

120 HOLGER WAY

(Street)

SAN JOSE CALIFORNIA 95134

(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 Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/25/2026

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	09/25/2026		S(1)		100	D	$194.7592(2)	43,187	D
Common Stock	09/25/2026		S(1)		189	D	$195.6431(3)	42,998	D
Common Stock	09/25/2026		S(1)		118	D	$196.5724(4)	42,880	D
Common Stock	09/25/2026		S(1)		3	D	$197.3167(5)	42,877	D
Common Stock	09/25/2026		S(1)		9	D	$199.7133(6)	42,868	D
Common Stock	09/25/2026		S(1)		20	D	$201.1101(7)	42,848	D
Common Stock	09/25/2026		S(1)		5	D	$202.058(8)	42,843	D
Common Stock	09/25/2026		S(1)		36	D	$203.1452(9)	42,807	D
Common Stock	09/25/2026		S(1)		12	D	$204.4167(10)	42,795	D
Common Stock	09/25/2026		S(1)		20	D	$205.3495(11)	42,775	D
Common Stock	09/25/2026		S(1)		4	D	$205.9925(12)	42,771	D
Common Stock	09/25/2026		S(1)		3	D	$207.8	42,768	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. The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $194.15 to $195.14, 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 ranges set forth in footnotes (2) through (12) to this Form 4.

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $195.19 to $196.1698, 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 ranges set forth in footnotes (2) through (12) to this Form 4.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $196.19 to $197.05, 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 ranges set forth in footnotes (2) through (12) to this Form 4.

5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $197.19 to $197.46, 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 ranges set forth in footnotes (2) through (12) to this Form 4.

6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $199.50 to $199.87, 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 ranges set forth in footnotes (2) through (12) to this Form 4.

7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.54 to $201.4035, 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 ranges set forth in footnotes (2) through (12) to this Form 4.

8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.68 to $202.29, 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 ranges set forth in footnotes (2) through (12) to this Form 4.

9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.84 to $203.61, 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 ranges set forth in footnotes (2) through (12) to this Form 4.

10. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.89 to $204.75, 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 ranges set forth in footnotes (2) through (12) to this Form 4.

11. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.89 to $205.75, 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 ranges set forth in footnotes (2) through (12) to this Form 4.

12. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.99 to $206.00, 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 ranges set forth in footnotes (2) through (12) to this Form 4.

Remarks:

	/s/ Torrie Nute, by power of attorney	09/28/2026
	** 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)