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calcalistech.comSEP 161 min read$S

SentinelOne CEO sells $2.29 million in shares as stock closes in on its yearly high

SentinelOne CEO Tomer Weingarten sold $2.29M in shares on September 11, part of a pre-planned 10b5-1 trading plan. The stock is up 56.5% year-to-date, closing at $23.48. Weingarten also converted Class B shares to Class A, holding a total of 1.74M Class A and 3.42M Class B shares.

Original reporting
calcalistech.com
Published Sep 16, 2026, 12:11 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 16, 2026, 2:30 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
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SentinelOne CEO sells $2.29 million in shares as stock closes in on its yearly high — source image
Source · calcalistech.com
Decision brief

The 30-second read

$SNeutralLow
01

Why it matters

The disclosed sale provides a data point for monitoring insider sentiment but is not a decisive catalyst.

02

Market read

Insider transaction adds modest informational value for traders monitoring SentinelOne's stock.

03

What to watch

Conversion of Class B shares increases net long‑term ownership, offsetting the sale.

Relevance 5/10Novelty 6/10Timing: post‑sale September 11

Background

Form 4 filing discloses insider transactions; 10b5‑1 plans are pre‑arranged trading programs.

Company-level read

Ticker impact

$SNeutralMedium confidence
Context

CEO Tomer Weingarten sold $2.29M of Class A shares under a pre‑established 10b5‑1 plan and simultaneously converted Class B shares to Class A.

Expected impact

Potential modest short‑term dip, limited long‑term effect.

Evidence & confidence

Sale size is modest relative to market cap and follows a pre‑planned schedule, reducing actionable insight.

Market effects

Sector

May prompt scrutiny of insider activity in cybersecurity sector but no broader sector shift.

Regional

Limited to US market where SentinelOne trades.

Global

Minimal global impact.

Counterpoint

What could challenge this read

Despite the insider sale, the strong YTD rally suggests continued buying pressure.

Key entities

  • person
    Tomer Weingarten

    CEO of SentinelOne

  • company
    SentinelOne

    Cybersecurity firm listed on NYSE under ticker S

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