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Zscaler, Inc. planned insider sales

In the last twelve months insiders at Zscaler, Inc. filed 37 Form 144 notices of planned sales, 116,246 shares worth $22.2 million at the time of filing, from 10 sellers. The latest, filed 13 October 2026: Adam Geller (officer), 1,042 shares worth $245,860, planned for around 12 October 2026 through Morgan Stanley Smith Barney LLC Executive Financial Services.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
13 October 2026Adam GellerOfficer1,042$245,86012 October 20261,042 shares from 12 October 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
9 October 2026Adam GellerOfficer23,958$5.4 million9 October 202623,958 shares from 9 October 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
25 September 2026Kevin RubinOfficer1,547$332,04825 September 20261,033 shares from 25 September 2026J.P. Morgan Securities LLCRSU VestingForm 144
21 September 2026Adam GellerOfficer661$132,20021 September 2026661 shares from 21 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesPerformance SharesForm 144
21 September 2026Robert SchlossmanOfficer5,394$1.1 million21 September 20265,394 shares from 21 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
17 September 2026James A BeerDirector177$33,98617 September 2026177 shares from 17 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
17 September 2026Adam GellerOfficer4,584$880,17417 September 202610,162 shares from 16 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesPerformance Shares; Restricted StockForm 144
16 September 2026Robert SchlossmanOfficer2,325$448,17416 September 20262,325 shares from 16 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesVesting of Restricted Stock UnitsForm 144
16 September 2026Jay ChaudhryOfficer, 10% Owner, Director2,852$549,76016 September 2026None on Form 4 yetMorgan Stanley Smith Barney LLC Executive Financial ServicesVesting of Restricted Stock UnitsForm 144
16 September 2026Mike RichOfficer4,108$791,87016 September 2026None on Form 4 yetMorgan Stanley Smith Barney LLC Executive Financial ServicesVesting of Restricted Stock UnitsForm 144
16 September 2026Adam GellerOfficer5,578$1.1 million16 September 2026None on Form 4 yetMorgan Stanley Smith Barney LLC Executive Financial ServicesVesting of Restricted Stock UnitsForm 144
16 September 2026Kevin RubinOfficer5,957$1.1 million16 September 20265,957 shares from 16 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesVesting of Restricted Stock UnitsForm 144
6 July 2026Robert SchlossmanOfficer122$17,9746 July 2026122 shares from 6 July 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesEmployee Stock Purchase PlanForm 144
25 June 2026Kevin RubinOfficer4,006$509,84425 June 20264,006 shares from 25 June 2026J.P. Morgan Securities LLCRSU VestingForm 144
22 June 2026Adam GellerOfficer2,817$345,36422 June 20262,817 shares from 22 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
17 June 2026James A BeerDirector177$22,21417 June 2026177 shares from 17 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
16 June 2026Kevin RubinOfficer1,686$213,16016 June 20261,686 shares from 16 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesVesting of Restricted Stock UnitsForm 144
16 June 2026Adam GellerOfficer1,940$245,27316 June 20261,940 shares from 16 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesVesting of Restricted Stock UnitsForm 144
16 June 2026Jay ChaudhryOfficer, 10% Owner, Director2,878$363,86416 June 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesVesting of Restricted Stock UnitsForm 144
16 June 2026Robert SchlossmanOfficer3,146$397,74716 June 20263,146 shares from 16 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesVesting of Restricted Stock UnitsForm 144
16 June 2026Mike RichOfficer4,184$528,98116 June 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesVesting of Restricted Stock UnitsForm 144
18 March 2026James A BeerDirector177$27,17518 March 2026177 shares from 18 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
18 March 2026Adam GellerOfficer2,094$321,49218 March 20263,579 shares from 17 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
17 March 2026Adam GellerOfficer1,485$232,54117 March 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesVesting of Restricted Stock UnitsForm 144
17 March 2026Kevin RubinOfficer1,682$263,39017 March 20261,682 shares from 17 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesVesting of Restricted Stock UnitsForm 144
17 March 2026Jay ChaudhryOfficer, Director, 10% Owner1,941$303,94717 March 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesVesting of Restricted Stock UnitsForm 144
17 March 2026Robert SchlossmanOfficer2,263$354,37017 March 20262,263 shares from 17 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesVesting of Restricted Stock UnitsForm 144
17 March 2026Raj JudgeOfficer, Director2,488$389,60417 March 20262,488 shares from 17 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesVesting of Restricted Stock UnitsForm 144
17 March 2026Michael RichOfficer3,147$492,79917 March 20263,147 shares from 17 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesVesting of Restricted Stock UnitsForm 144
2 January 2026James A BeerDirector653$148,0482 January 2026653 shares from 2 January 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
17 December 2025Robert SchlossmanOfficer2,349$546,80017 December 20255,433 shares from 16 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
16 December 2025Adam GellerOfficer2,060$475,48816 December 20253,680 shares from 16 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesVesting of Restricted Stock UnitsForm 144
16 December 2025Jay ChaudhryOfficer, Director, 10% Owner2,843$656,21916 December 2025No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesVesting of Restricted Stock UnitsForm 144
16 December 2025Robert SchlossmanOfficer3,084$711,84716 December 2025No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesVesting of Restricted Stock UnitsForm 144
16 December 2025Kevin RubinOfficer3,303$762,39616 December 20253,303 shares from 16 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesVesting of Restricted Stock UnitsForm 144
16 December 2025Raj JudgeOfficer, Director3,438$793,55716 December 20253,438 shares from 16 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesVesting of Restricted Stock UnitsForm 144
16 December 2025Mike RichOfficer4,100$946,35916 December 2025No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesVesting of Restricted Stock UnitsForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?