SentinelOne CEO Tomer Weingarten Sells 38,759 Shares for Tax Withholding

Will Healy, The Motley Fool

Thu, September 10, 2026 at 7:20 PM GMT+3 4 min read

S -0.30%

Tomer Weingarten, the President and CEO of SentinelOne, Inc. (NYSE:S), reported a sale of 38,759 shares of Class A Common Stock on Sept. 8, 2026, according to a recent SEC Form 4 filing.

Transaction summary

Transaction value based on SEC Form 4 weighted average sale price ($19.79); post-transaction value based on Sept. 8, 2026, market close ($19.43).

Key questions

What initiated this specific sale of shares?
This was a non-discretionary transaction mandated by the company's equity incentive plan to cover tax withholding obligations triggered by the vesting and settlement of restricted stock units.
How significant is the executive's remaining equity position?
Following the transaction, Tomer Weingarten continues to hold 1,801,827 shares of Class A Common Stock directly, representing a market valuation of $35.01 million as of the Sept. 8, 2026, close.
Are there any conditions attached to the remaining shares?
As noted in the filing, certain shares held by the executive remain subject to forfeiture if underlying vesting conditions are not met.
How does this disposal relate to the firm's recent performance?
The transaction followed a 5% one-year return for the stock as of Sept. 8, 2026, although the non-discretionary nature of the sale means it was not a reaction to market price action or valuation levels.

Company Overview

Company Snapshot

SentinelOne develops and delivers the Singularity XDR Platform, an Extended Detection and Response data stack that unifies endpoint protection, endpoint detection and response, cloud workload protection, and IoT security into an integrated solution powered by artificial intelligence.
The company operates a subscription-based software-as-a-service (SaaS) business model, generating recurring revenue from enterprise customers through platform licensing and security services delivered across cloud and on-premises environments.
SentinelOne primarily serves large enterprises and mid-market organizations globally that require a comprehensive cybersecurity infrastructure to protect endpoints, cloud workloads, and IoT devices against evolving threats.

SentinelOne is a global cybersecurity infrastructure software provider with approximately 2,900 employees and a market capitalization of $6.7 billion. The company has achieved TTM revenue of $1.1 billion while investing significantly in product development and market expansion, as reflected in its current net loss position. SentinelOne's competitive advantage derives from its unified AI-powered platform architecture that consolidates multiple security functions, enabling customers to reduce complexity and improve threat detection and response capabilities across their entire technology infrastructure.

What this transaction means for investors

Investors should probably avoid applying too much meaning to Tomer Weingarten's sale of SentinelOne stock.

As stated in the Form 4, the sale occurred because of tax withholding obligations, meaning it would have happened even if he were the most ardent SentinelOne bull. Given that he sold only 2% of his holdings, he appears to want to hold on to as much of the stock as possible.

Although SentinelOne is only one of many cybersecurity stocks, a bullish outlook seems warranted. Unlike many competing platforms, the company designed its platform on an AI-native foundation, a crucial advantage as AI increasingly drives the tech industry.

Additionally, Fortune Business Insights forecasts a 14% compound annual growth rate (CAGR) for the cybersecurity industry through 2034.

The company's revenue increased by 21% annually in the first half of 2026, suggesting it is dramatically outpacing the industry CAGR. Considering the need for AI-based security, SentinelOne appears well-positioned to drive returns for insiders like Tomer Weingarten as well as average investors.

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Will Healy has no position in any of the stocks mentioned. The Motley Fool has no position in any of the stocks mentioned. The Motley Fool has a disclosure policy.

SentinelOne CEO Tomer Weingarten Sells 38,759 Shares for Tax Withholding was originally published by The Motley Fool