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SEC EDGARAUG 251 min read$ALRM

Trundle Stephen sold $2.9M of ALRM

Trundle Stephen (Chief Executive Officer) sold 50,000 shares of Alarm.com Holdings, Inc. (ALRM) at $57.67 ($2.88M total) on 2026-08-24 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Trundle Stephen
Published Aug 25, 2026, 9:43 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Aug 25, 2026, 9:46 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
$ALRM
Neutral
medium confidence
Mentioned
$ALRM
Relevance
5/10
alphai data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$ALRMNeutralLow
01

Why it matters

Provides fresh data on insider activity; limited trading relevance.

02

Market read

Routine insider sale with modest size; unlikely to move the stock significantly.

03

What to watch

No change in ownership percentage; holdings remain sizable.

Relevance 5/10Novelty 4/10Timing: post-market 2026-08-24

Background

Form 4 filing discloses insider transactions required by SEC.

Company-level read

Ticker impact

$ALRMNeutralMedium confidence
Context

CEO Stephen Trundle sold 50,000 shares for $2.9M via a 10b5-1 plan on 2026-08-24.

Expected impact

Potential slight downward pressure in short term.

Evidence & confidence

CEO sale of $2.9M is a routine 10b5-1 transaction; market typically reacts modestly.

Market effects

Sector

Minimal impact on security technology sector.

Regional

None.

Global

Low.

Counterpoint

What could challenge this read

Sale could be a routine liquidity move, not a negative signal.

Key entities

  • Company
    Alarm.com Holdings, Inc.

    Provider of smart home and business security solutions.

  • Individual
    Stephen Trundle

    Chief Executive Officer of Alarm.com.

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.

ALRM insider trading history →

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