---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-060888"
form_type: "8-K"
ticker: "IRM"
cik: "0001020569"
company_name: "IRON MOUNTAIN INC"
filed_at: "2023-05-15T23:59:59+00:00"
generated_at: "2026-06-15T00:27:32.135986+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Iron Mountain issues $1.0B of 7.000% Senior Notes due 2029

## Summary
- $1.0B aggregate principal, 7.000% interest, matures Feb 15, 2029.
- Net proceeds of approx $987.7M to repay outstanding revolver borrowings.
- Notes are unsecured senior obligations, pari passu with existing senior debt.
- Redeemable at make-whole prior to Aug 15, 2025; then at specified prices.
- Guaranteed by substantial majority of US subsidiaries.

## SEC filing metadata
- accession: 0001104659-23-060888
- form_type: 8-K
- ticker: IRM
- cik: 0001020569
- company_name: IRON MOUNTAIN INC
- filed_at: 2023-05-15T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1020569/000110465923060888/0001104659-23-060888-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1020569/000110465923060888/tm2315825d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-060888
- JSON: https://secwatch.observer/filing/0001104659-23-060888.json
- Plain text: https://secwatch.observer/filing/0001104659-23-060888.txt

## Key facts
- Debt Financings
  IRON MOUNTAIN INC incurred senior notes of $1,000,000,000 at 7.000% maturing February 15, 2029.
  - Instrument: senior notes
  - Principal: $1,000,000,000
  - Rate: 7.000%
  - Maturity: February 15, 2029
  - Event: incurrence
  source text: On May 15, 2023, Iron Mountain Incorporated (the “Company”), completed a private offering of $1,000,000,000 in aggregate principal amount of 7.000% Senior Notes due 2029, or the Notes, sold at 100.000% of par.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1020569/000110465923060888/0001104659-23-060888-index.htm

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