Iron Mountain EVP & CCO Greg McIntosh Sells $553K in Stock Under 10b5-1 Plan

Executive Summary

On October 1, 2026, Greg W. McIntosh, Executive Vice President and Chief Commercial Officer of Iron Mountain Inc ($IRM), disposed of 5,000 shares of common stock at a price of $110.72 per share, generating gross proceeds of $553,600.

Transaction Details

• Security: Common Stock, par value $0.01 per share
• Transaction Type: Open market sale (Code S)
• Shares Sold: 5,000 shares
• Execution Price: $110.72 per share
• Gross Proceeds: $553,600.00
• Post-Transaction Beneficial Ownership: 70,634 direct shares

Trading Plan & Context

According to the footnote disclosures, the sale was executed pursuant to a pre-arranged Rule 10b5-1 trading plan established on May 8, 2026. The transaction represents approximately 6.6% of McIntosh's holdings prior to the trade (75,634 shares), leaving him with a substantial direct position of 70,634 shares. Because the sale was executed under an established Rule 10b5-1 plan and represents a minor portion of the officer's total equity, the trading significance is considered low.