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SEC EDGARSEP 41 min read$RBRK

Wassenaar Yvonne sold $65K of RBRK

Wassenaar Yvonne sold 721 shares of Rubrik, Inc. (RBRK) at $89.52 on 2026-09-03 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Wassenaar Yvonne
Published Sep 4, 2026, 1:05 AM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Sep 4, 2026, 1:35 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
Bearish
medium confidence
Mentioned
$RBRK
Relevance
2/10
alphai data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$RBRKBearishLow
01

Why it matters

The disclosed sale is modest and pre‑arranged, suggesting limited new information for traders.

02

Market read

Primary disclosure of a small insider sale; low trading relevance.

03

What to watch

Potential tax planning or diversification motives behind the 10b5‑1 execution.

Relevance 2/10Novelty 4/10Timing: filing date 2026-09-03

Background

SEC Form 4 filing discloses insider transactions; directors' sales are monitored for signals.

Company-level read

Ticker impact

$RBRKBearishMedium confidence
Context

Director Yvonne Wassenaar sold 721 shares for $64,543.92 on 2026-09-03 via a 10b5‑1 plan.

Expected impact

Potential short‑term dip of <1% if market reacts to insider sell.

Evidence & confidence

The sale size is small relative to float and occurs under a pre‑arranged plan, limiting informational content.

Market effects

Sector

No broader sector impact; Rubrik operates in data‑management software.

Regional

Limited to US tech equities; negligible regional effect.

Global

Minimal global relevance.

Counterpoint

What could challenge this read

The sale may be routine and not indicative of underlying weakness; could be ignored.

Key entities

  • Company
    Rubrik, Inc.

    Cloud data management and security firm listed on NASDAQ.

  • Individual
    Yvonne Wassenaar

    Director of Rubrik, filing the insider 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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