---
schema_version: "secwatch.filing_event.v1"
accession: "0001020569-26-000009"
form_type: "8-K"
ticker: "IRM"
cik: "0001020569"
company_name: "IRON MOUNTAIN INC"
filed_at: "2026-02-12T23:59:59+00:00"
generated_at: "2026-05-16T02:53:42.258753+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.73
calibrated_materiality_score: 0.73
confidence: "high"
source: SEC EDGAR
---

# Iron Mountain reports record Q4 revenue of $1.84B, up 16.6% YoY; issues strong FY2026 guidance

## Summary
- Q4 revenue $1,843M, up 16.6% YoY; storage revenue $1,061M (+13%), service revenue $782M (+22%).
- Q4 Adjusted EBITDA $705M (+17% YoY); AFFO per share $1.44 vs $1.24. Net income $93M vs $106M.
- Full-year 2025 revenue $6,902M (+12.2% YoY); Adjusted EBITDA $2,574M (+15%); AFFO $1,541M (+15%).
- Board declared Q1 dividend of $0.864/share, payable April 3, 2026 to holders of record March 16.
- FY2026 guidance: revenue $7,625-7,775M (~12% growth); AFFO per share $5.69-5.79 (~11% growth).

## SEC filing metadata
- accession: 0001020569-26-000009
- form_type: 8-K
- ticker: IRM
- cik: 0001020569
- company_name: IRON MOUNTAIN INC
- filed_at: 2026-02-12T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.73
- calibrated_materiality_score: 0.73
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1020569/000102056926000009/0001020569-26-000009-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1020569/000102056926000009/irm-20260212.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001020569-26-000009
- JSON: https://secwatch.observer/filing/0001020569-26-000009.json
- Plain text: https://secwatch.observer/filing/0001020569-26-000009.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.