$RBRK

THOMPSON JOHN WENDELL sold $13K of RBRK (indirect holdings)

THOMPSON JOHN WENDELL sold 160 indirectly-held shares of Rubrik, Inc. (RBRK) at $83.49 on 2026-06-01 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · THOMPSON JOHN WENDELL
Published Jun 4, 2026, 1:40 AM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Jun 4, 2026, 2:03 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
medium confidence
Mentioned
$RBRK
Relevance
6/10
alphai data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$RBRKNeutralLow
01

Why it matters

The event updates insider activity records; without accompanying company-specific news, it is unlikely to change valuation drivers.

02

Market read

Traders may monitor insider activity for sentiment, but this specific disclosure is unlikely to be a standalone catalyst.

03

What to watch

The filing shows indirect ownership and post-sale holdings, but does not indicate whether future sales or buys are planned under other arrangements.

Relevance 6/10Novelty 3/10Timing: Disclosure filed 2026-06-03; sale dated 2026-06-01.

Background

SEC Form 4 insider transaction for Rubrik, Inc. (director) disclosed via EDGAR.

Company-level read

Ticker impact

$RBRKNeutralMedium confidence
Context

Rubrik director John Wendell Thompson sold 160 shares in an open-market transaction under a pre-arranged 10b5-1 plan on 2026-06-01.

Expected impact

Limited immediate price impact; any reaction is likely modest and sentiment-driven rather than fundamental.

Evidence & confidence

The filing is a routine insider sale with explicit 10b5-1 pre-arrangement, reducing interpretive weight versus discretionary selling.

Market effects

No clear sector read-through from a single director 10b5-1 sale.

None indicated.

None indicated.

Counterpoint

10b5-1 sales are often scheduled for liquidity/tax needs; the sale may not reflect bearish expectations.

Key entities

  • Rubrik, Inc.

    Subject of the Form 4 insider sale disclosure.

  • THOMPSON JOHN WENDELL

    Director who sold 160 shares under a pre-arranged 10b5-1 plan.

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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