Trade Summary

2 days ago, Kidd Mark, serving as EVP, GM Data Centers & ALM at IRON MOUNTAIN INC (IRM), sold 6,000 shares at $115.60 per share, for a total transaction value of $693,600.00. Following this transaction, Kidd Mark now holds 95,507 shares of IRM.

This sale represents a 5.91% decrease in Kidd Mark's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Tuesday, September 1, 2026 and publicly disclosed via SEC Form 4 filing on Wednesday, September 2, 2026 at 4:20 PM ET, 1 day after the trade was made.

IRON MOUNTAIN INC operates in the REAL ESTATE sector, specifically within the REIT - SPECIALTY industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.