---
schema_version: "secwatch.filing_event.v1"
accession: "0001020569-25-000203"
form_type: "8-K"
ticker: "IRM"
cik: "0001020569"
company_name: "IRON MOUNTAIN INC"
filed_at: "2025-11-05T23:59:59+00:00"
generated_at: "2026-05-17T00:09:07.652316+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Iron Mountain Q3 rev $1.8B +12.6% YoY; Adj EBITDA record $660M; dividend +10%

## Summary
- Record quarterly revenue $1.8B (+12.6% reported, +11.8% constant currency); net income $86M vs $(34)M loss.
- Adj EBITDA $660M (record), +16.2%; AFFO $393M ($1.32/sh), +18.5%.
- Growth businesses (data center, digital, ALM) collectively grew >30% YoY.
- Quarterly dividend raised 10% to $0.864/sh; payable Jan 6, 2026; record Dec 15, 2025.
- Reaffirmed 2025 guidance: Q4 rev ~$1.8B, Adj EBITDA ~$690M, AFFO ~$415M.

## SEC filing metadata
- accession: 0001020569-25-000203
- form_type: 8-K
- ticker: IRM
- cik: 0001020569
- company_name: IRON MOUNTAIN INC
- filed_at: 2025-11-05T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1020569/000102056925000203/0001020569-25-000203-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1020569/000102056925000203/irm-20251105.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001020569-25-000203
- JSON: https://secwatch.observer/filing/0001020569-25-000203.json
- Plain text: https://secwatch.observer/filing/0001020569-25-000203.txt

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