ZS
NASDAQZscaler
$130.78
-4.48 (-3.31%)
Institutional
57.9%
Insider
34.97%
Retail/Other
7.2%
Shares Outstanding
161.7M
Top Institutional Holders
As of Jun 2026| Holder | Shares | % | Change |
|---|---|---|---|
| Tudor Investment Corp Et AL | 55.4M | 34.5% | +55.4M |
| Vanguard Group Inc | 11.4M | 7.1% | +0.1M |
| BlackRock Inc | 8.6M | 5.3% | +0.7M |
| First Trust Advisors L.P. | 3.5M | 2.2% | +0.9M |
| The Goldman Sachs Group Inc | 2.9M | 1.8% | +0.5M |
| State Street Corp | 2.4M | 1.5% | +0.0M |
| American Century Companies Inc | 2.4M | 1.5% | -0.0M |
| FMR Inc | 2.2M | 1.4% | -2.3M |
| Geode Capital Management, LLC | 2.1M | 1.3% | +0.0M |
| UBS Asset Mgmt Americas Inc | 2.0M | 1.2% | +0.3M |
Insider Transactions
Last 24 months (13 insiders)
Jagtar Singh Chaudhry
CEO & Chairman
345,916 shares
Sales (2)
| Shares | Price | Value | Date | Remaining |
|---|---|---|---|---|
| 1,941 | $156.59 | $303,947 | 2026-03-17 | 345,916 |
| 2,843 | $230.82 | $656,219 | 2025-12-16 | 347,857 |
Charles H Giancarlo
Director
145,451 shares
Awards (1)
| Shares | Price | Value | Date | Remaining |
|---|---|---|---|---|
| 1,076 | - | $233,094* | 2026-01-12 | 145,451 |
Michael J. Rich
CRO and President of WW Sales
104,350 shares
Sales (2)
| Shares | Price | Value | Date | Remaining |
|---|---|---|---|---|
| 3,147 | $156.59 | $492,799 | 2026-03-17 | 104,350 |
| 4,100 | $230.82 | $946,359 | 2025-12-16 | 107,497 |
Robert Schlossman
Chief Legal Officer
72,390 shares
Sales (3)
| Shares | Price | Value | Date | Remaining |
|---|---|---|---|---|
| 2,263 | $156.59 | $354,370 | 2026-03-17 | 72,390 |
| 2,349 | $232.79 | $546,824 | 2025-12-17 | 74,653 |
| 3,084 | $230.82 | $711,847 | 2025-12-16 | 77,002 |
Raj Judge
EVP, Corp. Strategy & Ventures
67,906 shares
Sales (2)
| Shares | Price | Value | Date | Remaining |
|---|---|---|---|---|
| 2,488 | $156.59 | $389,604 | 2026-03-17 | 67,906 |
| 3,438 | $230.82 | $793,557 | 2025-12-16 | 70,394 |
Adam Geller
Chief Product Officer
46,949 shares
Sales (4)
| Shares | Price | Value | Date | Remaining |
|---|---|---|---|---|
| 2,094 | $153.53 | $321,492 | 2026-03-18 | 46,949 |
| 1,485 | $156.59 | $232,541 | 2026-03-17 | 49,043 |
| 1,620 | $232.79 | $377,120 | 2025-12-17 | 50,528 |
| 2,060 | $230.82 | $475,488 | 2025-12-16 | 52,148 |
Kevin Rubin
Chief Financial Officer
46,479 shares
Sales (2)
| Shares | Price | Value | Date | Remaining |
|---|---|---|---|---|
| 1,682 | $156.59 | $263,390 | 2026-03-17 | 46,479 |
| 3,303 | $230.82 | $762,396 | 2025-12-16 | 48,161 |
Karen Blasing
Director
42,757 shares
Awards (1)
| Shares | Price | Value | Date | Remaining |
|---|---|---|---|---|
| 1,076 | - | $233,094* | 2026-01-12 | 42,757 |
David Schneider
Director
24,912 shares
Awards (1)
| Shares | Price | Value | Date | Remaining |
|---|---|---|---|---|
| 1,076 | - | $233,094* | 2026-01-12 | 24,912 |
Andrew William Fraser Brown
Director
23,292 shares
Sales (1)
| Shares | Price | Value | Date | Remaining |
|---|---|---|---|---|
| 5,000 | - | $1,152,600* | 2025-12-26 | 22,216 |
Awards (1)
| Shares | Price | Value | Date | Remaining |
|---|---|---|---|---|
| 1,076 | - | $233,094* | 2026-01-12 | 23,292 |
Eileen Naughton
Director
7,745 shares
Awards (1)
| Shares | Price | Value | Date | Remaining |
|---|---|---|---|---|
| 1,076 | - | $233,094* | 2026-01-12 | 7,745 |
Scott C Darling
Director
5,351 shares
Awards (1)
| Shares | Price | Value | Date | Remaining |
|---|---|---|---|---|
| 1,076 | - | $233,094* | 2026-01-12 | 5,351 |
James A Beer
Director
4,384 shares
Sales (2)
| Shares | Price | Value | Date | Remaining |
|---|---|---|---|---|
| 177 | $153.53 | $27,175 | 2026-03-18 | 4,384 |
| 653 | $226.72 | $148,048 | 2026-01-02 | 3,485 |
Awards (1)
| Shares | Price | Value | Date | Remaining |
|---|---|---|---|---|
| 1,076 | - | $233,094* | 2026-01-12 | 4,561 |
Insider Activity Summary
Last 24 monthsTotal Bought
0 shares
$0
Total Sold
43,727 shares
$7,803,175
Net Shares
-43,727
Net Value
$-7,803,175
Activity by Insider
| Name | Bought | Sold | Net Shares | Net Value |
|---|---|---|---|---|
|
Robert Schlossman
Chief Legal Officer
|
- | -7,696 | -7,696 | $-1,613,041 |
|
Adam Geller
Chief Product Officer
|
- | -7,259 | -7,259 | $-1,406,640 |
|
Michael J. Rich
CRO and President of WW Sales
|
- | -7,247 | -7,247 | $-1,439,158 |
|
Raj Judge
EVP, Corp. Strategy & Ventures
|
- | -5,926 | -5,926 | $-1,183,161 |
|
Andrew William Fraser Brown
Director
|
- | -5,000 | -5,000 | $+0 |
|
Kevin Rubin
Chief Financial Officer
|
- | -4,985 | -4,985 | $-1,025,786 |
|
Jagtar Singh Chaudhry
CEO & Chairman
|
- | -4,784 | -4,784 | $-960,167 |
|
James A Beer
Director
|
- | -830 | -830 | $-175,223 |
Net insider selling: 43,727 shares ($7,803,175) in last 12 months
Congressional Trading
STOCK Act DisclosuresNo congressional trading data available for this ticker.
Congressional trading data is sourced from STOCK Act disclosures and may not be available for all tickers.
Based on public disclosures. Reporting errors by representatives are common. Disclosure deadlines are 45 days after transaction.