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sellWeak cluster of 610b5-1 plan

Adam Geller sold $132k of ZS

Chief Product Officer at Zscaler, Inc.. 661 shares at an average of $200.00, traded Sep 21, 2026, filed Sep 21, 2026.

Warning score
21
Value
$132k
661 shares
Holdings after
38,308
-2% from before
From 52-week low
+75%
low $118.05, close $207.13
From 52-week high
-38%
high $336.27, as of Sep 21, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $132k at market
    +11
  • Share of holdings sold
    Sold 1.7% of holdings
    0
  • Cluster
    6 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

ZSOct 9, 2026 · close 233.73
Since filing Sep 21, 2026: +12.8%SPY +0.6% · excess +12.2%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001713683-26-000184, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 21, 2026SOpen-market sale
Common Stock10b5-1
-661$200.00$132k38,30823 d ago

Related signals

Other insiders at Zscaler, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
Pro nowfree Oct 20, 2026
ZSsell 210b5-1
Zscaler, Inc.
Adam Geller
Chief Product Officer
$5.6M
25,000 shares
-40%
27Weak
ZSsell 610b5-1
Zscaler, Inc.
Kevin Rubin
Chief Financial Officer
$102k
519 shares
-1%
35Weak
ZSsell 610b5-1
Zscaler, Inc.
Robert Schlossman
Chief Legal Officer
$1.1M
5,394 shares
-8%
16Weak
ZSsell 610b5-1
Zscaler, Inc.
James A Beer
director
$34k
177 shares
-4%
59Moderate
ZSsell 6
Zscaler, Inc.
Jagtar Singh Chaudhry
CEO & Chairman
$550k
2,852 shares
-1%
40Moderate
ZSsell 610b5-1
Zscaler, Inc.
Adam Geller
Chief Product Officer
$2.0M
10,162 shares
-21%
67Notable
ZSsell 6
Zscaler, Inc.
Kevin Rubin
Chief Financial Officer
$1.1M
5,957 shares
-12%
57Moderate
ZSsell 6
Zscaler, Inc.
Michael J. Rich
CRO and President of WW Sales
$792k
4,108 shares
-4%
47Moderate
ZSsell 6
Zscaler, Inc.
Robert Schlossman
Chief Legal Officer
$448k
2,325 shares
-3%
11Weak
ZSsell10b5-1
Zscaler, Inc.
Kevin Rubin
Chief Financial Officer
$87k
503 shares
-1%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Adam Geller sold $132k of ZS | InsiderTell