Zscaler, Inc. (ZS) Insider Trading
Over the last 3 months, ZS insiders made 0 open-market buys and 8 sales, a net sale of -$2.4M (SEC Form 4). Over the last 6 months, 674 institutions increased and 574 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
8
Net (3m)
-$2.4M
Insider trades by month Buys Sells
Jun
Sep
Oct
Dec
Jan
Mar
Context3-month price -14%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Mar 19, 2026 | BEER JAMES Adirector | Sell | 177 | $153.53 |
| Mar 19, 2026 | Geller Adamofficer: Chief Product Officer | Sell | 2,094 | $153.53 |
| Mar 19, 2026 | Geller Adamofficer: Chief Product Officer | Sell | 1,485 | $156.59 |
| Mar 18, 2026 | Judge Rajdirector, officer: EVP, Corp. Strategy & Ventures | Sell | 2,488 | $156.59 |
| Mar 18, 2026 | Chaudhry Jagtar Singhdirector, 10 percent owner, officer: CEO & Chairman | Sell | 1,941 | $156.59 |
| Mar 18, 2026 | Schlossman Robertofficer: Chief Legal Officer | Sell | 2,263 | $156.59 |
| Mar 18, 2026 | RUBIN KEVINofficer: Chief Financial Officer | Sell | 1,682 | $156.59 |
| Mar 18, 2026 | Rich Michael J.officer: CRO and President of WW Sales | Sell | 3,147 | $156.59 |
| Jan 13, 2026 | Giancarlo Charles Hdirector | Grant | 1,076 | — |
| Jan 13, 2026 | Darling Scott Cdirector | Grant | 1,076 | — |
| Jan 13, 2026 | Naughton Eileendirector | Grant | 1,076 | — |
| Jan 13, 2026 | Schneider Daviddirector | Grant | 1,076 | — |
| Jan 13, 2026 | BLASING KARENdirector | Grant | 1,076 | — |
| Jan 13, 2026 | BEER JAMES Adirector | Grant | 1,076 | — |
| Jan 13, 2026 | Brown Andrew William Fraserdirector | Grant | 1,076 | — |
| Jan 2, 2026 | BEER JAMES Adirector | Sell | 653 | $226.72 |
| Dec 29, 2025 | Brown Andrew William Fraserdirector | Sell | 5,000 | — |
| Dec 17, 2025 | Geller Adamofficer: Chief Product Officer | Sell | 1,620 | $232.79 |
| Dec 17, 2025 | RUBIN KEVINofficer: Chief Financial Officer | Sell | 3,303 | $230.82 |
| Dec 17, 2025 | Geller Adamofficer: Chief Product Officer | Sell | 2,060 | $230.82 |
| Dec 17, 2025 | Rich Michael J.officer: CRO and President of WW Sales | Sell | 4,100 | $230.82 |
| Dec 17, 2025 | Schlossman Robertofficer: Chief Legal Officer | Sell | 2,349 | $232.79 |
| Dec 17, 2025 | Judge Rajdirector, officer: EVP, Corp. Strategy & Ventures | Sell | 3,438 | $230.82 |
| Dec 17, 2025 | Schlossman Robertofficer: Chief Legal Officer | Sell | 3,084 | $230.82 |
| Dec 17, 2025 | Chaudhry Jagtar Singhdirector, 10 percent owner, officer: CEO & Chairman | Sell | 2,843 | $230.82 |
| Oct 24, 2025 | Schlossman Robertofficer: Chief Legal Officer | Sell | 3,200 | $325.00 |
| Oct 16, 2025 | Geller Adamofficer: Chief Product Officer | Grant | 10,730 | — |
| Oct 16, 2025 | Schlossman Robertofficer: Chief Legal Officer | Grant | 7,154 | — |
| Oct 16, 2025 | Rich Michael J.officer: CRO and President of WW Sales | Grant | 10,730 | — |
| Oct 2, 2025 | Schlossman Robertofficer: Chief Legal Officer | Sell | 900 | $304.00 |
Source: ZS SEC Form 4 filings, latest Mar 19, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their ZS positions over the last 6 months (SEC Form 13F).
Increased
674
New positions
219
Reduced
574
Sold out
364
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| VANGUARD GROUP INC | Increased | 11.4M | Jan 29, 2026 |
| BLACKROCK, INC. | Increased | 8.6M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 7.8M | Feb 12, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 5.9M | May 8, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 4.7M | May 15, 2026 |
| FMR LLC | Increased | 4.5M | Feb 17, 2026 |
| FIRST TRUST ADVISORS LP | Increased | 3.5M | May 13, 2026 |
| GOLDMAN SACHS GROUP INC | Increased | 2.9M | May 15, 2026 |
| FIRST TRUST ADVISORS LP | Increased | 2.6M | Feb 13, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 2.6M | Feb 17, 2026 |
| GOLDMAN SACHS GROUP INC | Increased | 2.4M | Mar 25, 2026 |
| AMERICAN CENTURY COMPANIES INC | Reduced | 2.4M | Feb 13, 2026 |
| STATE STREET CORP | Increased | 2.4M | May 15, 2026 |
| AMERICAN CENTURY COMPANIES INC | Reduced | 2.4M | May 15, 2026 |
| STATE STREET CORP | Increased | 2.3M | Feb 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.