Zscaler Officer Adam Geller Files Form 144 to Sell 1,042 Shares ($245.9K)

Overview

On October 13, 2026, Zscaler, Inc. (NASDAQ: ZS) officer Adam Geller filed a Form 144 notice of proposed sale of 1,042 shares of Common Stock with an estimated aggregate market value of $245,859.90 (approx. $235.95 per share). The proposed transaction date was October 12, 2026.

Transaction Details

• Security Acquired: 1,042 shares acquired on October 12, 2026, via stock option exercise from the issuer paid in cash.
• Broker: Morgan Stanley Smith Barney LLC Executive Financial Services.
• Trading Plan: The filing references a Rule 10b5-1 trading plan adopted on March 20, 2026.
• Filing Timing: As noted in the remarks, the sale occurred on October 12, 2026, and was submitted on October 13, 2026, because EDGAR was closed on October 12 for the federal holiday.

Prior 3-Month Sales

Adam Geller has completed multiple sales under his plan over the preceding three months:

• 10/09/2026: 23,958 shares for $5,400,966.35
• 09/21/2026: 661 shares for $132,200.00
• 09/17/2026: 4,584 shares for $880,173.84
• 09/16/2026: 5,578 shares for $1,075,230.90

Market Impact & Significance

The proposed sale of 1,042 shares represents less than 0.001% of Zscaler's 163,054,698 outstanding shares. Given the pre-scheduled nature under a Rule 10b5-1 trading plan and the minimal volume relative to both total shares outstanding and average daily volume, this filing holds Low trading significance.