Kidd Mark sold $736K of IRM
Kidd Mark (EVP, GM Data Centers & ALM) sold 6,000 shares of IRON MOUNTAIN INC (IRM) at $122.70 ($0.74M total) on 2026-08-07 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The only new information is the specific sale size, price, and post-transaction holdings; it does not include guidance, litigation, deals, or operating updates.
Market read
Traders may note insider-selling optics, but 10b5-1 labeling typically reduces interpretive weight.
What to watch
The filing does not reveal whether other insiders or the company itself are buying, and it provides no rationale beyond the pre-arranged plan.
Background
The article is a SEC Form 4 insider transaction disclosure for Iron Mountain Inc.
Ticker impact
Iron Mountain Form 4 shows EVP Kidd Mark sold 6,000 shares on 2026-08-07 at $122.70, totaling $736,200 under a 10b5-1 plan.
Low likelihood of a sustained price move from this filing alone; any reaction is likely muted.
The disclosure is an open-market sale by an officer, explicitly tied to a pre-arranged 10b5-1 plan, and provides no new company-specific operational or financial information.
Market effects
Minimal, as the filing does not change data-center REIT or storage-sector fundamentals.
None indicated.
None indicated.
Counterpoint
Even with a 10b5-1 plan, repeated insider selling can coincide with internal expectations of near-term risk, so traders may still watch for follow-on disclosures.
Key entities
- issuerIRON MOUNTAIN INC
Subject of the Form 4 insider transaction disclosure.
- insiderKidd Mark
EVP, GM Data Centers & ALM who sold shares under a 10b5-1 plan.


