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BlackRock Reduces Stake in Zscaler Below 5% Reporting Threshold

Medium SignificanceOctober 27, 2026 at 5:49:07 PM EDT

ZSCALER INC

$ZSSCHEDULE 13G/ACIK: 0001713683

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Filing Summary

Schedule 13G/A: BlackRock, Inc. cuts position in Zscaler, Inc. ($ZS) • Event Date: September 30, 2026 • Shares Beneficially Owned: 7,952,837 • Ownership Percentage: 4.9% (decreased below 5% threshold) • Sole Voting Power: 7,286,105 • Sole Dispositive Power: 7,952,837 • Filer Type: Parent Holding Company (HC)

Comprehensive Analysis

Overview

On October 27, 2026, BlackRock, Inc. filed Amendment No. 1 to Schedule 13G regarding its holdings in Zscaler, Inc. ($ZS). The filing indicates an event date of September 30, 2026.

Key Ownership Changes

  • Current Beneficial Ownership: 7,952,837 shares of Common Stock
  • Percentage of Class: 4.9%
  • Voting & Dispositive Power:
    • Sole Voting Power: 7,286,105 shares
    • Shared Voting Power: 0 shares
    • Sole Dispositive Power: 7,952,837 shares
    • Shared Dispositive Power: 0 shares

Material Event

Under Item 5, BlackRock has certified that it has ceased to be the beneficial owner of more than five percent of the class of securities reported on, dropping its stake to 4.9%. Consequently, BlackRock may no longer be subject to future Schedule 13G periodic update obligations for Zscaler unless its ownership crosses back above the 5% threshold.

Topics:#ZS#Zscaler#BlackRock#13G#SEC#InstitutionalOwnership

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