$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.
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

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

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

Low; only relevant to Rubrik shareholders.

Counterpoint

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

Key entities

  • Rubrik, Inc.

    Cloud data management and security firm.

  • John W. Wendeell

    Director of Rubrik.

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.

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