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SEC EDGARSEP 21 min read$IRM

Kidd Mark sold $694K of IRM

Kidd Mark (EVP, GM Data Centers & ALM) sold 6,000 shares of IRON MOUNTAIN INC (IRM) at $115.60 ($0.69M total) on 2026-09-01 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Kidd Mark
Published Sep 2, 2026, 8:20 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Sep 2, 2026, 8:58 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
$IRM
Neutral
high confidence
Mentioned
$IRM
Relevance
4/10
alphai data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$IRMNeutralLow
01

Why it matters

The disclosed sale is the first public report of this transaction, making it a primary source but of limited material impact.

02

Market read

Small insider sell; unlikely to move the stock but provides transparency for investors monitoring insider activity.

03

What to watch

Potential tax‑loss harvesting or portfolio rebalancing could be the motive, not company fundamentals.

Relevance 4/10Novelty 5/10Timing: post‑market 2026‑09‑01

Background

SEC Form 4 filing discloses insider transactions; required to be filed within two business days of the trade.

Company-level read

Ticker impact

$IRMNeutralHigh confidence
Context

Officer Kidd Mark sold 6,000 shares of Iron Mountain (IRM) for $115.60 each via a 10b5‑1 plan, reducing his stake to 95,507 shares.

Expected impact

minimal downward pressure, likely within normal trading variance

Evidence & confidence

The sale size (~$0.7 M) is small relative to market cap; insider sales of this magnitude rarely move the stock.

Market effects

Sector

None; Iron Mountain operates in data‑center REIT space, and a small insider sale does not affect sector outlook.

Regional

None; the transaction is company‑specific and does not influence broader regional markets.

Global

None; no global market effect expected.

Counterpoint

What could challenge this read

If the insider is privy to upcoming negative news, the sale could foreshadow a short‑term dip.

Key entities

  • Officer
    Kidd Mark

    Executive Vice President, General Manager Data Centers & ALM at Iron Mountain.

  • Company
    Iron Mountain Inc.

    Provider of storage and information management services, ticker IRM.

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.

IRM insider trading history →

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