Form 4: SentinelOne CEO's Equity Activity: PRSU Vesting & Tax Sale

SentinelOne CEO Tomer Weingarten reported the vesting of performance-based restricted stock units and a subsequent non-discretionary sale to cover tax obligations.

Summary

• Tomer Weingarten, President, CEO, and Director of SentinelOne, Inc., reported transactions involving Class A Common Stock.
• On March 23, 2026, 39,405 shares were acquired due to the certification of the second tranche of a 2024 performance-based restricted stock unit (PRSU) award.
• Also on March 23, 2026, an additional 102,416 shares were acquired from the certification of the first tranche of a 2025 PRSU award.
• These PRSU awards vested based on the achievement of pre-determined corporate performance milestones, with one-fourth of each award earned at 90.2% of the respective target amounts.
• On March 25, 2026, 72,523 shares were sold at a price of $13.37 per share.
• This sale was an issuer-mandated "sell to cover" transaction to satisfy tax withholding obligations related to the vesting and settlement of the PRSUs, and it does not represent a discretionary trade.
• Following these transactions, Tomer Weingarten beneficially owns 1,076,575 shares of Class A Common Stock.

Sentiment

Score: 7

Explanation: StockSavvy.ai views this as a moderately positive development, reflecting the achievement of corporate performance milestones that led to the vesting of executive equity awards. The subsequent sale is a routine tax-related event and not indicative of discretionary selling.

Positives

• The vesting of performance-based restricted stock units (PRSUs) indicates the achievement of pre-determined corporate performance milestones for both 2024 and 2025 awards.
• One-fourth of each PRSU award was earned at 90.2% of the respective target amounts, suggesting strong performance against targets.
• The continued equity ownership by the CEO aligns management's interests with shareholders.

Negatives

• A portion of the acquired shares (72,523 shares) was sold, reducing the CEO's direct beneficial ownership from the peak post-vesting amount.
• The sale, while non-discretionary for tax purposes, still represents a reduction in the CEO's direct stake in the company.

Risks

• Certain shares are subject to forfeiture to the Issuer if underlying vesting conditions are not met.

Industry Context

StockSavvy.ai notes that Form 4 filings provide transparency into insider ownership changes, which can be a signal for market participants. This specific filing relates to routine, non-discretionary compensation events tied to performance, common in the technology sector for executive incentives.

Related Party Transactions

• The vesting of performance-based restricted stock units (PRSUs) granted to Tomer Weingarten by the Issuer's compensation committee constitutes a related party transaction (executive compensation).

Stakeholder Impact

• Shareholders: The vesting of PRSUs indicates that the company met certain performance targets, which is generally positive. The CEO's continued significant equity stake (1,076,575 shares) aligns his interests with shareholders, despite the tax-related sale.
• Employees: The structure of performance-based awards can serve as a model for other employees' incentive compensation, linking rewards to company performance.

Key Dates

Recommendation

This Form 4 details routine, pre-planned compensation events for the CEO, including the vesting of performance-based restricted stock units and a non-discretionary 'sell to cover' transaction for tax purposes. Such transactions are common and generally do not signal a change in the company's fundamental outlook or management's discretionary view on the stock, thus warranting a 'hold' recommendation.

Keywords

SentinelOne, S, Form 4, insider transaction, CEO, Tomer Weingarten, stock award, PRSU, restricted stock unit, equity compensation, tax withholding, corporate performance, cybersecurity