Adam Geller - 09 Oct 2026 Form 4 Insider Report for Zscaler, Inc. (ZS)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
13 Oct 2026, 16:47:21 UTC
Prior SEC filing
21 Sep 2026
Next SEC filing
20 Oct 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Torrie Nute, by power of attorney
Filing notes and source

Key filing fact

Adam Geller filed Form 4 for Zscaler, Inc. (ZS) on 13 Oct 2026.

Key facts

  • This page summarizes Adam Geller's Form 4 filing for Zscaler, Inc. (ZS).
  • 7 reported transactions and 2 derivative rows are listed below.
  • Accepted by SEC: 13 Oct 2026, 16:47.

Change

  • Previous filing in this sequence was filed on 21 Sep 2026.
  • Current net transaction value: -$5,646,826.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002040014 Primary reporting owner

Geller Adam

Relationship
Chief Product Officer
Address
4401 GREAT AMERICA PARKWAY, SANTA CLARA
Signature
/s/ Torrie Nute, by power of attorney
Signature date
13 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ZS transaction

Common Stock

Options Exercise

Transaction value
Shares
+23,958
Change %
+63%
Price
$205.61*
Shares after
62,266
Date
09 Oct 2026
Ownership
Direct
ZS transaction

Common Stock

Sale

Transaction value
-$4,921,875
Shares
-21,875
Change %
-35%
Price
$225.00
Shares after
40,391
Date
09 Oct 2026
Ownership
Direct
Footnotes
F1
ZS transaction

Common Stock

Sale

Transaction value
-$479,091
Shares
-2,083
Change %
-5.2%
Price
$230.00
Shares after
38,308
Date
09 Oct 2026
Ownership
Direct
Footnotes
F1, F2
ZS transaction

Common Stock

Options Exercise

Transaction value
Shares
+1,042
Change %
+2.7%
Price
$205.61*
Shares after
39,350
Date
12 Oct 2026
Ownership
Direct
ZS transaction

Common Stock

Sale

Transaction value
-$245,860
Shares
-1,042
Change %
-2.6%
Price
$235.95
Shares after
38,308
Date
12 Oct 2026
Ownership
Direct
Footnotes
F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ZS transaction Derivative

Stock Option (right to buy)

Options Exercise

Transaction value
Shares
-23,958
Change %
-48%
Price
$205.61*
Shares after
26,042
Date
09 Oct 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
23,958
Exercise price
$205.61
Footnotes
F3
ZS transaction Derivative

Stock Option (right to buy)

Options Exercise

Transaction value
Shares
-1,042
Change %
-4%
Price
$205.61*
Shares after
25,000
Date
12 Oct 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
1,042
Exercise price
$205.61
Footnotes
F3
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 3 footnotes

Footnote F1

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

Footnote 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.

Footnote F3

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

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