Meaney William L 4

What Happened
William L. Meaney, President, CEO and a director of Iron Mountain Inc. (IRM), sold a total of 98,657 shares of Iron Mountain common stock in open‑market transactions on March 5, 2026. The sales were reported in three tranches: 26,278 shares at a weighted average price of $105.26 (≈ $2,766,022), 34,358 shares at $106.15 (≈ $3,647,102), and 38,021 shares at $107.02 (≈ $4,069,007). The combined proceeds were about $10.48 million. These were sales (not purchases), which are often routine; the filing notes they were made pursuant to a pre‑arranged Rule 10b5‑1 trading plan.

Key Details

• Transaction date: March 5, 2026; Form 4 filed March 9, 2026 (reporting period 2026-03-05). No late filing is indicated in the report.
• Tranche details:
  • 26,278 shares sold — weighted avg price $105.26 — proceeds ≈ $2,766,022 (prices ranged $104.62–$105.61). (Footnote F2)
  • 34,358 shares sold — weighted avg price $106.15 — proceeds ≈ $3,647,102 (prices ranged $105.62–$106.61). (Footnote F3)
  • 38,021 shares sold — weighted avg price $107.02 — proceeds ≈ $4,069,007 (prices ranged $106.62–$107.54). (Footnote F4)
• Total shares sold: 98,657; total proceeds: ≈ $10,482,131.
• Shares owned after transaction: not specified in the provided filing.
• Notable footnote: The sales were made under a Rule 10b5‑1 trading plan adopted by Meaney on March 14, 2025 (Footnote F1). The reported prices are weighted averages covering multiple execution prices; the filer offers to provide per‑price breakdowns on request.

Context

• Sales under a 10b5‑1 plan are typically pre‑arranged and allow insiders to sell shares at scheduled times; they do not necessarily reflect new or real‑time views on the company’s outlook.
• For retail investors, purchases by insiders are generally considered more indicative of confidence; sales can be routine (income/tax planning) or other personal reasons. This filing documents a sizable but pre‑planned sale by the CEO rather than an opportunistic market sale disclosed without a plan.