Form 4: Zscaler Chief Product Officer Sells Shares in Pre-Planned Transactions and Tax Withholding

Zscaler's Chief Product Officer, Adam Geller, reported the sale of ZS common stock totaling 6,671 shares across multiple transactions in mid-June 2025, including sales for tax obligations and under a Rule 10b5-1 trading plan.

Summary

• Adam Geller, Zscaler's Chief Product Officer, reported several transactions involving the sale of ZS common stock.
• On June 17, 2025, Geller sold 3,009 shares at a price of $303.7021 per share. This sale was non-discretionary, executed to cover tax withholding obligations related to the vesting of restricted stock units.
• On June 18, 2025, Geller sold a total of 3,662 shares across three separate transactions, all pursuant to a Rule 10b5-1 trading plan adopted on March 12, 2025.
• The sales on June 18, 2025, included 1,828 shares at a weighted average price of $306.1429 (ranging from $305.565 to $306.55), 1,534 shares at a weighted average price of $307.1399 (ranging from $306.74 to $307.33), and 300 shares at a weighted average price of $308.0533 (ranging from $307.79 to $308.58).
• Following these reported transactions, Adam Geller beneficially owns 46,813 shares of Zscaler common stock.
• The reported beneficial ownership includes 122 shares acquired under the Issuer's Fiscal Year 2018 Employee Stock Purchase Plan on June 16, 2025.

Sentiment

Score: 6

Explanation: The sentiment is neutral to slightly positive. While insider selling can be seen negatively, the fact that a significant portion was pre-planned under a 10b5-1 plan and another portion was for tax withholding makes these routine transactions rather than a signal of negative company-specific news. The reduction in holdings is offset by the transparency and pre-planning.

Positives

• The sales executed on June 18, 2025, were conducted under a pre-arranged Rule 10b5-1 trading plan, indicating that the transactions were scheduled in advance and not a reaction to recent negative company developments.
• A portion of the sales (3,009 shares) was specifically for covering tax withholding obligations related to RSU vesting, which is a routine and non-discretionary event for executives receiving equity compensation.

Negatives

• The transactions represent a reduction in the direct beneficial ownership of Zscaler common stock by a key executive, Adam Geller, the Chief Product Officer.
• While pre-planned, any insider selling can be perceived by some investors as a lack of confidence, even if it's for personal financial planning or tax purposes.

Risks

• No specific risks are explicitly mentioned in this Form 4 filing beyond the general implication of insider selling reducing an executive's direct stake in the company.

Future Outlook

This Form 4 filing does not contain any forward-looking statements or guidance regarding Zscaler's future performance or outlook.

Management Comments

• The sales reported on June 18, 2025, were effected pursuant to a Rule 10b5-1 trading plan adopted on March 12, 2025.
• The sale on June 17, 2025, represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units as mandated by the Issuer's election under its equity incentive plans and does not represent a discretionary trade by the Reporting Person.

Industry Context

This Form 4 filing is a routine disclosure of insider stock transactions and does not provide information directly related to broader industry trends or Zscaler's competitive position within the cybersecurity or cloud security industry.

Stakeholder Impact

• Shareholders: May observe a reduction in insider ownership, but the pre-planned nature of the sales mitigates concerns about a lack of confidence from management.

Key Dates

Recommendation

Keywords

Zscaler, ZS, Form 4, Insider Trading, Stock Sale, Adam Geller, Chief Product Officer, 10b5-1 Plan, Equity Compensation, Restricted Stock Units, Tax Withholding