Form 4: SentinelOne CEO Executes Planned Stock Sale

SentinelOne CEO Tomer Weingarten sold 231,764 shares of Class A common stock pursuant to a pre-established Rule 10b5-1 trading plan.

Summary

• CEO Tomer Weingarten converted 231,764 shares of Class B common stock into Class A common stock on May 1 and May 4, 2026.
• The converted shares were subsequently sold in open market transactions.
• The sales were executed under a Rule 10b5-1 trading plan adopted on June 3, 2025.
• The weighted average sale price for the larger block of 231,664 shares was $15.3181 per share.
• Following these transactions, the CEO retains direct ownership of 2,012,771 shares of Class A common stock.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event; the transactions were pre-planned and represent routine liquidity management by the CEO.

Positives

• Transactions were conducted under a pre-arranged Rule 10b5-1 plan, indicating the sales were scheduled in advance rather than based on non-public information.
• The CEO maintains a significant equity stake in the company following the transactions.

Negatives

• The sale represents a reduction in the CEO's direct beneficial ownership of the company's equity.

Risks

• Future sales by insiders could potentially impact market sentiment regarding the stock price.
• Class B shares are subject to automatic conversion triggers, which could alter voting control dynamics over time.

Future Outlook

The filing does not provide forward-looking business guidance, as it is a mandatory disclosure of insider transaction activity.

Management Comments

• The reporting person undertakes to provide full information regarding the number of shares sold at each separate price within the range upon request.

Industry Context

StockSavvy.ai notes that insider selling via 10b5-1 plans is a standard practice for executives to manage personal liquidity and is generally viewed as neutral by the market, provided the plans are established well in advance of the transactions.

Comparison to Industry Standards

• The use of Rule 10b5-1 plans is the industry standard for executives at major technology firms like CrowdStrike and Palo Alto Networks to avoid allegations of insider trading.
• The conversion of Class B (high-vote) to Class A (public) stock is a common mechanism for founders and CEOs to realize value while maintaining long-term control.

Related Party Transactions

• The reporting person holds shares through an irrevocable trust over which he exercises remove and replace powers.

Stakeholder Impact

• Shareholders should note the reduction in insider ownership, though the volume is relatively small compared to the total outstanding shares.

Next Steps

• Continued monitoring of future Form 4 filings for additional insider activity.

Key Dates

Keywords

SentinelOne, Insider Trading, Tomer Weingarten, Form 4, Cybersecurity, Equity Compensation