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SEC EDGAROCT 21 min read$RBRK

THOMPSON JOHN WENDELL sold $1.3M of RBRK

THOMPSON JOHN WENDELL sold 11,000 shares of Rubrik, Inc. (RBRK) at an average of $115.69 ($114.71–$116.46, $1.27M total) across 3 trades on 2026-10-01 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · THOMPSON JOHN WENDELL
Published Oct 2, 2026, 9:50 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Oct 2, 2026, 9:55 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.
About AlphAI AI DeskScoring methodologyReport an issue
AlphAI market briefInsider activity
Primary signal
$RBRK
Bearish
medium confidence
Mentioned
$RBRK
Relevance
5/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$RBRKBearishLow
01

Why it matters

The disclosed sale provides fresh data on insider sentiment and may influence short‑term price dynamics.

02

Market read

A director's $1.27M share sale is a modest but noteworthy event for traders monitoring Rubrik's stock.

03

What to watch

Potential upcoming corporate actions or earnings that prompted the director to lock in cash.

Relevance 5/10Novelty 3/10Timing: after-hours on 2026-10-01

Background

SEC Form 4 filing discloses an insider transaction by a Rubrik director.

Company-level read

Ticker impact

$RBRKBearishMedium confidence
Context

Director Thompson John Wendeell sold 11,000 Rubrik shares for $1.27M via a 10b5-1 plan on 2026-10-01.

Expected impact

likely slight downward pressure as the market absorbs the insider sell.

Evidence & confidence

A director offloaded a sizable block of shares shortly after filing, indicating possible lack of confidence or portfolio rebalancing.

Market effects

Sector

none

Regional

none

Global

none

Counterpoint

What could challenge this read

The sale could be a routine portfolio adjustment and not a bearish signal.

Key entities

  • company
    Rubrik, Inc.

    Cloud data management provider listed on NYSE under RBRK.

  • person
    Thompson John Wendeell

    Director of Rubrik who executed the sale.

Read at source← All news

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

RBRK insider trading history →

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