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Insider Cluster (3 insiders) ·Filed Sep 28, 2026

ZS

Zscaler, Inc.
BEARISH
Impact 4/10
Horizonweeks Processed28d 8h ago
Insider cluster: 3 insiders, $1.2M total
Actionable Insight ▼ Bearish

The cluster of C-suite open-market sales, particularly the large CLO sale, may signal a lack of confidence or routine diversification. Monitor for any subsequent insider buying or material adverse news in the next 10-Q.

DirectionBearish
Confidencemedium
Horizonweeks
Latest settled — T+5d
ZS ▲ +7.01% at T+5d
SHORT call ✗ call lost -7.01% · α vs SPY -5.06% · entry $198.36 → $212.25
Next anchor: T+20d due 20h ago
Latest observation: T+18 -20.84% FF3 residual α
Entry = T+0 close
Sep 28, 2026
via day close
T+1d
+0.54%
call -0.54% · α -0.74%
$199.42
settled 28d ago
T+5d
+7.01%
call -7.01% · α -5.06%
$212.25
settled 22d ago
T+20d
Pending
due 20h ago
T+60d
Pending
in 8w

Price Chart

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Executive Summary

Three Zscaler insiders, including the CFO, CLO, and CPO, sold a total of $1.23M in shares over a one-week window. The largest sale ($1.08M) was by the Chief Legal Officer, Robert Schlossman. While the total is modest relative to Zscaler's market cap, the cluster of C-suite selling warrants attention.

Key Financial Metrics

Direction
selling
Total Value
$1.2M
Insiders
3

Key Facts

  • Three insiders sold shares between 2026-09-18 and 2026-09-25, totaling $1.23M.
  • Chief Legal Officer Robert Schlossman sold 5,400 shares for $1.08M.
  • Chief Product Officer Adam Geller sold 661 shares for $132K.
  • Chief Financial Officer Kevin Rubin sold 100 shares for $19K.
  • All sales were open-market (code S) with no 10b5-1 plan indicated.

Financial Impact

Total insider sales of $1.23M represent approximately 0.003% of Zscaler's market cap (based on ~$30B market cap), which is trivial in absolute terms.

insider selling

Risk Factors

  • Insider selling may indicate management's view that shares are fully valued or that near-term headwinds exist.
  • No 10b5-1 plans were noted, increasing the informational content of these sales.

Investment Themes

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-ZS-1790641286392
35 reports for ZS
Performance horizon
60% Hit rate @ T+60 3 of 5 directional calls Went positive at some point 6 of 7 best @ T+60▲ +8.22%Jun 1, 2026
Filters
Rows
Reports for ZS — sortable, filterable
TypeNow
Oct 26, 2026
today
Institutional Cluster
NEUTRAL ★ 3/10
$255.25awaiting T+60—$260.45 (+2.04%)
Oct 21, 2026
5d ago
ANALYST-UPGRADE
NEUTRAL ★ 1/10
$231.33awaiting T+60—$260.45 (+12.59%)
Oct 9, 2026
17d ago
144
NEUTRAL ★ 3/10
$225.78awaiting T+60—$260.45 (+15.36%)
Oct 6, 2026
20d ago
8-K
NEUTRAL ★ 3/10
$212.25awaiting T+60—$260.45 (+22.71%)
Oct 6, 2026
20d ago
Press Release
NEUTRAL ★ 4/10
$212.25awaiting T+60—$260.45 (+22.71%)
Sep 28, 2026
28d ago
Insider Cluster
BEARISH ★ 4/10
$198.36awaiting T+60—$260.45 (−31.30%)
Sep 25, 2026
4w ago
144
NEUTRAL ★ 2/10
$199.39awaiting T+60—$260.45 (+30.62%)
Sep 23, 2026
4w ago
Press Release
NEUTRAL ★ 3/10
$214.64awaiting T+60—$260.45 (+21.34%)
Sep 21, 2026
5w ago
Insider Cluster
BEARISH ★ 4/10
$210.18awaiting T+60—$260.45 (−23.92%)
Sep 17, 2026
5w ago
Insider Cluster
BEARISH ★ 4/10
$197.31awaiting T+60—$260.45 (−32.00%)
Showing 10 of 35

US Market Status

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Report published Sep 28, 2026