Zscaler, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Zscaler, Inc. (ZS), sourced directly from SEC EDGAR and updated as new filings are accepted.
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are ZS insiders buying or selling?
In the last 12 months, Zscaler, Inc. insiders reported 0 open-market purchases ($0) and 37 sales ($23.4M) — net selling of $23.4M. Since March 2018, Trabud has recorded 415 Form 4 filings for ZS: 5 buys ($5.5M) and 410 sells ($908.0M).
Source: SEC EDGAR Form 4
What stands out
- No Zscaler, Inc. insider made an open-market purchase in the last 12 months; the 37 reported open-market sales totaled $23.4M.
Key Statistics (March 2018 – Oct 13, 2026)
Insider sentiment
Net sellingNet insider flow of $902.5M in net selling since March 2018, and $23.4M in net selling over the last 12 months.
Recent ZS insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Oct 13, 2026 | Adam Geller | Chief Product Officer | Sale | 25.0K | $225.87 | $5.6M | SEC ↗ |
| Sep 29, 2026 | Kevin Rubin | Chief Financial Officer | Sale | 519 | $197.28 | $102.4K | SEC ↗ |
| Sep 21, 2026 | Adam Geller | Chief Product Officer | Sale | 661 | $200.00 | $132.2K | SEC ↗ |
| Sep 21, 2026 | Robert Schlossman | Chief Legal Officer | Sale | 5.4K | $200.00 | $1.1M | SEC ↗ |
| Sep 17, 2026 | Jagtar Singh Chaudhry | CEO & Chairman | Sale | 2.9K | $192.76 | $549.8K | SEC ↗ |
| Sep 17, 2026 | Kevin Rubin | Chief Financial Officer | Sale | 6.0K | $192.76 | $1.1M | SEC ↗ |
| Sep 17, 2026 | Adam Geller | Chief Product Officer | Sale | 10.2K | $192.42 | $2.0M | SEC ↗ |
| Sep 17, 2026 | Michael J. Rich | CRO and President of WW Sales | Sale | 4.1K | $192.76 | $791.9K | SEC ↗ |
| Sep 17, 2026 | Robert Schlossman | Chief Legal Officer | Sale | 2.3K | $192.76 | $448.2K | SEC ↗ |
| Sep 17, 2026 | James A Beer | Director | Sale | 177 | $192.01 | $34.0K | SEC ↗ |
| Aug 26, 2026 | Kevin Rubin | Chief Financial Officer | Sale | 503 | $173.38 | $87.2K | SEC ↗ |
| Jul 28, 2026 | Kevin Rubin | Chief Financial Officer | Sale | 503 | $147.12 | $74.0K | SEC ↗ |
| Jul 7, 2026 | Robert Schlossman | Chief Legal Officer | Sale | 122 | $150.00 | $18.3K | SEC ↗ |
| Jun 26, 2026 | Kevin Rubin | Chief Financial Officer | Sale | 3.0K | $124.22 | $372.7K | SEC ↗ |
| Jun 23, 2026 | Adam Geller | Chief Product Officer | Sale | 2.8K | $122.60 | $345.4K | SEC ↗ |
| Jun 18, 2026 | Jagtar Singh Chaudhry | CEO & Chairman | Sale | 2.9K | $126.43 | $363.9K | SEC ↗ |
| Jun 18, 2026 | Adam Geller | Chief Product Officer | Sale | 1.9K | $126.43 | $245.3K | SEC ↗ |
| Jun 18, 2026 | Robert Schlossman | Chief Legal Officer | Sale | 3.1K | $126.43 | $397.7K | SEC ↗ |
| Jun 18, 2026 | Michael J. Rich | CRO and President of WW Sales | Sale | 4.2K | $126.43 | $529.0K | SEC ↗ |
| Jun 18, 2026 | Kevin Rubin | Chief Financial Officer | Sale | 1.7K | $126.43 | $213.2K | SEC ↗ |
| Jun 18, 2026 | James A Beer | Director | Sale | 177 | $125.50 | $22.2K | SEC ↗ |
| Mar 19, 2026 | Adam Geller | Chief Product Officer | Sale | 3.6K | $154.80 | $554.0K | SEC ↗ |
| Mar 19, 2026 | James A Beer | Director | Sale | 177 | $153.53 | $27.2K | SEC ↗ |
| Mar 19, 2026 | Jagtar Singh Chaudhry | CEO & Chairman | Sale | 1.9K | $156.59 | $303.9K | SEC ↗ |
| Mar 19, 2026 | Kevin Rubin | Chief Financial Officer | Sale | 1.7K | $156.59 | $263.4K | SEC ↗ |
Showing the 25 most recent of 415 Form 4 filings for Zscaler, Inc..
Most active ZS insiders
- Amit Sinha118 filings
- Robert Schlossman66 filings
- Karen Blasing59 filings
- Remo Canessa32 filings
- Dali Rajic26 filings
Ask anything about ZS insider activity
Use Trabud's AI agent to query Zscaler, Inc.'s Form 4 history in plain English — "Show me ZS CEO purchases this year" or compare it against any other ticker.
Open the AI agentZS insider trading FAQ
Are Zscaler, Inc. insiders buying or selling?
In the last 12 months, Zscaler, Inc. insiders reported 0 open-market purchases ($0) and 37 sales ($23.4M) — net selling of $23.4M. Since March 2018, Trabud has recorded 415 Form 4 filings for ZS: 5 buys ($5.5M) and 410 sells ($908.0M). Over the full record that is net selling of $902.5M.
How many insiders trade ZS stock?
18 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Zscaler, Inc.. The most recent filing was accepted on Oct 13, 2026.
Where does Trabud get ZS insider trading data?
All ZS insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.