ZS
Zscaler, Inc. · Technology · Market cap $38.8B
Insiders sold $12.0M net in the last 90 days ·6 sellers, 0 buyers· 10 of 14 sales under Rule 10b5-1 plans· latest Form 4 filed Oct 13, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$23.4M
reported sales (SEC code S)
Unique Insiders
8
in the rolling window
Latest filing
Oct 21, 2026
Geller Adam
Zscaler, Inc. (ZS) has 47 SEC Form 4 filings (80 transaction rows) in the rolling window, disclosed by 8 distinct insiders. Most recent filing: Oct 21, 2026.
Inside the rolling window, 8 insiders at Zscaler, Inc. reported no open-market purchases and 42 open-market sales totaling $23.4M. The most active filer is Chief Product Officer Geller Adam with 11 filings. Insiders have net sold $14.6M over the trailing 6 months. The most recent open-market filing is a sale of 23,958 shares by Chief Product Officer Geller Adam, dated Oct 9, 2026, worth $5.4M.
- Industry:Software - Infrastructure
- CEO:Jagtar Singh Chaudhry
- Employees:7,923
- HQ:San Jose, CA, US
- IPO:2018-03-16
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Chief Product Officer | Sale | 23,958 | $5.4M | Oct 13 | +4.0% | SEC ↗ | |
| Chief Product Officer | Sale | 1,042 | $246K | Oct 13 | +4.0% | SEC ↗ | |
| Chief Financial Officer | Sale | 519 | $102K | Sep 29 | +19.9% | SEC ↗ | |
| Chief Product Officer | Sale | 661 | $132K | Sep 21 | — | SEC ↗ | |
| Chief Legal Officer | Sale | 5,394 | $1.1M | Sep 21 | — | SEC ↗ | |
Chaudhry Jagtar SinghFirst in 3 months | CEO & Chairman | Sale | 2,852 | $550K | Sep 17 | — | SEC ↗ |
| Chief Financial Officer | Sale | 5,957 | $1.1M | Sep 17 | — | SEC ↗ | |
| Chief Product Officer | Sale | 5,578 | $1.1M | Sep 17 | — | SEC ↗ | |
| Chief Product Officer | Sale | 4,584 | $880K | Sep 17 | — | SEC ↗ | |
Rich Michael J.First in 3 months | CRO and President of WW Sales | Sale | 4,108 | $792K | Sep 17 | — | SEC ↗ |
| Chief Legal Officer | Sale | 2,325 | $448K | Sep 17 | — | SEC ↗ | |
| Director | Sale | 177 | $34K | Sep 17 | — | SEC ↗ | |
| Chief Financial Officer | Sale | 503 | $87K | Aug 26 | — | SEC ↗ | |
| Chief Financial Officer | Sale | 503 | $74K | Jul 28 | — | SEC ↗ | |
| Chief Legal Officer | Sale | 122 | $18K | Jul 7 | — | SEC ↗ | |
| Chief Financial Officer | Sale | 3,000 | $373K | Jun 26 | — | SEC ↗ | |
| Chief Product Officer | Sale | 2,817 | $345K | Jun 23 | — | SEC ↗ | |
| Director | Sale | 177 | $22K | Jun 17 | — | SEC ↗ | |
Geller AdamFirst in 3 months | Chief Product Officer | Sale | 1,940 | $245K | Jun 17 | — | SEC ↗ |
Rich Michael J.First in 3 months | CRO and President of WW Sales | Sale | 4,184 | $529K | Jun 17 | — | SEC ↗ |
Chaudhry Jagtar SinghFirst in 3 months | CEO & Chairman | Sale | 2,878 | $364K | Jun 17 | — | SEC ↗ |
RUBIN KEVINFirst in 3 months | Chief Financial Officer | Sale | 1,686 | $213K | Jun 17 | — | SEC ↗ |
Schlossman RobertFirst in 3 months | Chief Legal Officer | Sale | 3,146 | $398K | Jun 17 | — | SEC ↗ |
Geller AdamFirst in 3 months | Chief Product Officer | Sale | 1,485 | $233K | Mar 19 | — | SEC ↗ |
Geller AdamFirst in 3 months | Chief Product Officer | Sale | 2,094 | $321K | Mar 19 | — | SEC ↗ |
Earnings: last 7 quarters
Congress trading ZS 8 all-time
- DRep. Ro KhannaPurchase$1,001 - $15,0002024-09-17
- DRep. Daniel GoldmanSale$15,001 - $50,0002023-04-10
- DRep. Ro KhannaSale$1,001 - $15,0002022-12-06
- DRep. Ro KhannaPurchase$1,001 - $15,0002022-11-03
- DRep. Ro KhannaSale$1,001 - $15,0002022-05-05
- DRep. Ro KhannaPurchase$1,001 - $15,0002022-04-11
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does ZS have?
Zscaler, Inc. (ZS) has 47 SEC Form 4 filings (80 transaction rows) in the rolling 365-day window, disclosed by 8 distinct insiders. Most recent filing: Oct 21, 2026.
When was the most recent SEC Form 4 filing for ZS?
The most recent Form 4 filing for ZS on Tracefour is dated Oct 21, 2026.
Who is the most active insider at ZS?
The most active SEC Form 4 filer at ZS in the rolling window is Chief Product Officer Geller Adam, with 11 filings.
What is the net insider flow at ZS over the last 6 months?
Over the trailing 180 days, insiders at ZS have net sold $14.6M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at ZS in the current window?
Inside the rolling window, insiders at ZS bought $0 and sold $23.4M based on SEC Form 4 filings.
Can I get alerts for ZS insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Zscaler, Inc. (ZS). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Zscaler, Inc. is in the Technology sector.