---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-123144"
form_type: "8-K"
ticker: "TDG"
cik: "0001260221"
company_name: "TransDigm Group INC"
filed_at: "2025-05-20T23:59:59+00:00"
generated_at: "2026-05-20T23:43:34.851706+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# TransDigm issues $2.65B 6.375% notes due 2033 to redeem 5.5% notes due 2027

## Summary
- Issued $2,650M aggregate principal of 6.375% Senior Subordinated Notes due 2033 at 99.225% issue price.
- Interest payable semiannually on May 31 and Nov 30, beginning Nov 30, 2025; notes mature May 31, 2033.
- Net proceeds plus cash on hand will redeem all outstanding 5.500% Senior Subordinated Notes due 2027.
- Notes are senior subordinated obligations guaranteed by TransDigm Group and certain restricted subsidiaries.
- Indenture includes customary covenants and events of default, with change-of-control and asset-sale repurchase provisions.

## SEC filing metadata
- accession: 0001193125-25-123144
- form_type: 8-K
- ticker: TDG
- cik: 0001260221
- company_name: TransDigm Group INC
- filed_at: 2025-05-20T23:59:59+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/1260221/000119312525123144/0001193125-25-123144-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1260221/000119312525123144/d43283d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-123144
- JSON: https://secwatch.observer/filing/0001193125-25-123144.json
- Plain text: https://secwatch.observer/filing/0001193125-25-123144.txt

## Key facts
- Debt Financings
  TransDigm Group INC incurred senior notes of $2,650 million in aggregate principal amount with The Bank of New York Mellon Trust Company, N.A. at 6.375% per annum maturing May 31, 2033.
  - Instrument: senior notes
  - Principal: $2,650 million in aggregate principal amount
  - Counterparty: The Bank of New York Mellon Trust Company, N.A.
  - Rate: 6.375% per annum
  - Maturity: May 31, 2033
  - Event: incurrence
  source text: On May 20, 2025, TransDigm Inc. (“TransDigm”), a wholly-owned subsidiary of TransDigm Group Incorporated (“TD Group”), completed the previously announced offering of $2,650 million in aggregate principal amount of 6.375% Senior Subordinated Notes due 2033
  evidence_url: https://www.sec.gov/Archives/edgar/data/1260221/000119312525123144/0001193125-25-123144-index.htm

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