Greedy Insider
Zscaler, Inc. (ZS) Insider Trades and Scores
Zscaler, Inc. (ZS) insider trades: since Dec 16, 2025, Greedy Insider recorded 0 open-market buys and 64 sales on Form 4 from 7 insiders. The strongest recent filing scored 95 (Strong).
Who bought and who sold
Across the last 64 scoreable Form 4 transactions in ZS, 0 were open-market purchases and 64 were sales. The table lists the most recent filings with each one's Greediness Score, so the structurally unusual trades are easy to spot first.
| Insider | Role | Type | Shares | Date | Score | ||
|---|---|---|---|---|---|---|---|
| Geller Adam | Chief Product Officer | Sell | 1042.0 | 245859.9 | 2026-10-12 | 64 | View |
| Geller Adam | Chief Product Officer | Sell | 21875.0 | 4921875.0 | 2026-10-09 | 81 | View |
| Geller Adam | Chief Product Officer | Sell | 2083.0 | 479091.25 | 2026-10-09 | 67 | View |
| RUBIN KEVIN | CFO | Sell | 12.0 | 2453.0005 | 2026-09-25 | 66 | View |
| RUBIN KEVIN | CFO | Sell | 3.0 | 623.4 | 2026-09-25 | 66 | View |
| RUBIN KEVIN | CFO | Sell | 100.0 | 19475.92 | 2026-09-25 | 66 | View |
| RUBIN KEVIN | CFO | Sell | 189.0 | 36976.547 | 2026-09-25 | 69 | View |
| RUBIN KEVIN | CFO | Sell | 118.0 | 23195.543 | 2026-09-25 | 66 | View |
| RUBIN KEVIN | CFO | Sell | 3.0 | 591.9501 | 2026-09-25 | 66 | View |
| RUBIN KEVIN | CFO | Sell | 9.0 | 1797.4197 | 2026-09-25 | 66 | View |
The strongest recent filing
RUBIN KEVIN (CFO) sold 5,957 shares of Zscaler, Inc. on Sep 16, 2026, a filing that scored 95 (Strong). It scored Strong because a senior insider was trading and several insiders moved the same way within a week. The score describes the filing, not future returns. This is not investment advice.
Cluster activity
A cluster buy is present: 6 insiders (Schlossman Robert, Geller Adam, BEER JAMES A, Chaudhry Jagtar Singh) traded ZS the same direction within a 7-day window. Shared conviction is a stronger structural signal than a lone trade.
How this compares with Zscaler, Inc.'s own history
Open-market buys make up 0% of the 64 scoreable ZS transactions on record between Dec 16, 2025 and Oct 12, 2026. Comparing a filing with the company's own buy/sell mix is how you tell a routine disposal from an unusual accumulation.
Methodology and sources
Scores come from six published, user-adjustable factors (insider role, cluster activity, trade size versus the insider's own history, position impact, filing urgency, and direct versus indirect ownership). The score describes the filing, not future returns. This is not investment advice.
Key facts
- Scoreable Form 4 transactions on record: 64
- Open-market buys: 0
- Sales: 64
- Distinct insiders: 7
- Strongest recent Greediness Score: 95 (Strong)
Primary sources
Related
- Strongest filing
- ZS in the live feed
- How the Greediness Score works
- What is a cluster buy?
- Form 4 transaction codes
The score describes the filing, not future returns. This is not investment advice.