---
schema_version: "secwatch.filing_event.v1"
accession: "0001020569-23-000105"
form_type: "8-K"
ticker: "IRM"
cik: "0001020569"
company_name: "IRON MOUNTAIN INC"
filed_at: "2023-05-04T23:59:59+00:00"
generated_at: "2026-06-15T19:22:25.751239+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Iron Mountain Q1 revenue $1.314B (+5% YoY); net income $66M; affirmed FY23 guidance

## Summary
- Storage rental revenue $810M (+10% constant currency); service revenue $504M (+4% constant currency).
- Adjusted EBITDA $461M (+9% constant currency), margin 35.1% (+60 bps YoY).
- AFFO $284M ($0.97/share); Q2 dividend $0.6185/share payable July 6, 2023.
- Data center signed 52 MW of new and expansion leases in Q1.
- Affirmed FY23 guidance: revenue $5.5B-$5.6B; AFFO $1,150M-$1,175M (~5% YoY growth).

## SEC filing metadata
- accession: 0001020569-23-000105
- form_type: 8-K
- ticker: IRM
- cik: 0001020569
- company_name: IRON MOUNTAIN INC
- filed_at: 2023-05-04T23:59:59+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/1020569/000102056923000105/0001020569-23-000105-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1020569/000102056923000105/irm-20230504.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001020569-23-000105
- JSON: https://secwatch.observer/filing/0001020569-23-000105.json
- Plain text: https://secwatch.observer/filing/0001020569-23-000105.txt

## Key facts
- Earnings Releases
  IRON MOUNTAIN INC reported the first quarter of 2023 results: revenue $1.3 billion, net income $65.5 million, EPS $0.22.
  - Period: the first quarter of 2023
  - Revenue: $1.3 billion
  - Net income: $65.5 million
  - EPS: $0.22
  - Result: reported results
  source text: Adjusted EBITDA $461 $431 7% 9% Adjusted EBITDA Margin 35.1% 34.5% 60 bps AFFO $284 $264 8% AFFO per share $0.97 $0.91 7% 1 • Total reported revenues for the first quarter were $1.3 billion, compared with $1.2 billion in the first quarter of 2022, an increase of 5.3%. Excluding the impact of foreign currency exchange (Fx), total reported revenues increased 7.5%
  evidence_url: https://www.sec.gov/Archives/edgar/data/1020569/000102056923000105/0001020569-23-000105-index.htm
- Earnings Releases
  IRON MOUNTAIN INC reported full year 2023 results: revenue $5,500 - $5,600. Guidance reaffirmed.
  - Period: full year 2023
  - Revenue: $5,500 - $5,600
  - Guidance: reaffirmed
  - Result: guidance update
  source text: Iron Mountain affirmed full year 2023 guidance; details are summarized in the table below. 2023 Guidance(1) ($ in millions, except per share data) 2023 Guidance Y/Y % Change at Midpoint Total Revenue $5,500 - $5,600 ~9% Adjusted EBITDA $1,940 - $1,975 ~7% AFFO $1,150 - $1,175 ~5% AFFO Per Share $3.91 - $4.00 ~4%
  evidence_url: https://www.sec.gov/Archives/edgar/data/1020569/000102056923000105/0001020569-23-000105-index.htm

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