---
schema_version: "secwatch.filing_event.v1"
accession: "0001020569-23-000036"
form_type: "8-K"
ticker: "IRM"
cik: "0001020569"
company_name: "IRON MOUNTAIN INC"
filed_at: "2023-02-23T23:59:59+00:00"
generated_at: "2026-06-19T01:15:22.058288+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Iron Mountain Q4 revenue $1.28B (+10% YoY); record Adj. EBITDA $472M; issues 2023 guidance

## Summary
- Q4 total revenue $1.279B (+10% reported, +14% constant currency); full year $5.104B (+14% reported, +17% constant currency).
- Q4 net income $125.7M (vs $61.5M in Q4 2021); reported EPS $0.42 (up 100%).
- Q4 Adjusted EBITDA $471.9M (record, +10% reported, +13% constant currency); full year $1.827B (+12% reported, +15% constant currency).
- Q4 AFFO $286.8M (+7.4%); AFFO per share $0.98 (+7%); full year AFFO $1.11B (+9.7%).
- Board declared Q1 dividend $0.6185/share, payable April 5, 2023; 2023 guidance: revenue $5.5-5.6B, Adj. EBITDA $1.94-1.975B, AFFO $1.15-1.175B.

## SEC filing metadata
- accession: 0001020569-23-000036
- form_type: 8-K
- ticker: IRM
- cik: 0001020569
- company_name: IRON MOUNTAIN INC
- filed_at: 2023-02-23T23:59:59+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/1020569/000102056923000036/0001020569-23-000036-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1020569/000102056923000036/irm-20230223.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001020569-23-000036
- JSON: https://secwatch.observer/filing/0001020569-23-000036.json
- Plain text: https://secwatch.observer/filing/0001020569-23-000036.txt

## Key facts
- Earnings Releases
  IRON MOUNTAIN INC reported the year ended December 31, 2022 results: revenue $5,104, net income $562, EPS $1.90.
  - Period: the year ended December 31, 2022
  - Revenue: $5,104
  - Net income: $562
  - EPS: $1.90
  - Result: reported results
  source text: Total Revenue $1,279 $1,160 10% 14% $5,104 $4,492 14% 17% Net Income $126 $61 104% $562 $453 24% Reported EPS $0.42 $0.21 100% $1.90 $1.55 23%
  evidence_url: https://www.sec.gov/Archives/edgar/data/1020569/000102056923000036/0001020569-23-000036-index.htm
- Earnings Releases
  IRON MOUNTAIN INC reported the quarter ended December 31, 2022 results: revenue $1,279, net income $126, EPS $0.42.
  - Period: the quarter ended December 31, 2022
  - Revenue: $1,279
  - Net income: $126
  - EPS: $0.42
  - Result: reported results
  source text: Storage Rental Revenue $770 $725 6% 10% $3,034 $2,870 6% 9% Service Revenue $510 $434 17% 22% $2,070 $1,621 28% 32% Total Revenue $1,279 $1,160 10% 14% $5,104 $4,492 14% 17% Net Income $126 $61 104% $562 $453 24% Reported EPS $0.42 $0.21 100% $1.90 $1.55 23%
  evidence_url: https://www.sec.gov/Archives/edgar/data/1020569/000102056923000036/0001020569-23-000036-index.htm
- Earnings Releases
  IRON MOUNTAIN INC reported the full year ending December 31, 2023 results: revenue $5,500 - $5,600. Guidance initiated.
  - Period: the full year ending December 31, 2023
  - Revenue: $5,500 - $5,600
  - Guidance: initiated
  - Result: guidance update
  source text: 2023 Guidance(1) ($ 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/1020569/000102056923000036/0001020569-23-000036-index.htm

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