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SEC EDGARSEP 41 min read$RBRK

THOMPSON JOHN WENDELL sold $223K of RBRK (indirect holdings)

THOMPSON JOHN WENDELL sold 2,500 indirectly-held shares of Rubrik, Inc. (RBRK) at an average of $89.04 ($88.58–$91.66, $0.22M total) across 4 trades on 2026-09-01 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · THOMPSON JOHN WENDELL
Published Sep 4, 2026, 12:22 AM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Sep 4, 2026, 12:34 AM 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
Neutral
high confidence
Mentioned
$RBRK
Relevance
3/10
alphai data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$RBRKNeutralLow
01

Why it matters

The disclosed sale is modest and pre‑arranged, offering limited trading insight.

02

Market read

Minor insider sell; low immediate market relevance.

03

What to watch

Potential upcoming earnings or product news could give context to the sale.

Relevance 3/10Novelty 4/10Timing: filed 2026-09-03

Background

Form 4 filings disclose insider transactions; a director's sale via 10b5‑1 is routine.

Company-level read

Ticker impact

$RBRKNeutralHigh confidence
Context

Director John W. Wendeell sold $222.6K of Rubrik shares on 2026-09-01 via a 10b5‑1 plan.

Expected impact

No significant impact; price may dip slightly on volume.

Evidence & confidence

Sale size is small relative to market cap and disclosed via pre‑arranged plan.

Market effects

Sector

None; Rubrik operates in data‑protection software with no sector‑wide impact.

Regional

None; transaction is US‑based and limited to Rubrik.

Global

Low; only relevant to Rubrik shareholders.

Counterpoint

What could challenge this read

Insider sell could signal concerns about near‑term valuation, but size is too small to act on.

Key entities

  • Company
    Rubrik, Inc.

    Cloud data management and security firm.

  • Insider
    John W. Wendeell

    Director of Rubrik.

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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