---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-037817"
form_type: "8-K"
ticker: "TMUS"
cik: "0001283699"
company_name: "T-Mobile US, Inc."
filed_at: "2025-10-09T23:59:59+00:00"
generated_at: "2026-05-17T04:09:32.835468+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# T-Mobile closes $2.8B senior notes offering; 4.625%/4.950%/5.700% notes due 2033/2035/2056

## Summary
- Closed public offering of $800M 4.625% notes due 2033, $1B 4.950% notes due 2035, $1B 5.700% notes due 2056.
- Net proceeds to be used for refinancing existing indebtedness or general corporate purposes.
- Joint book-running managers: Barclays, Citigroup, Goldman Sachs, Wells Fargo, and 16 others.
- Offering closed October 9, 2025; guaranteed by T-Mobile US and certain subsidiaries.

## SEC filing metadata
- accession: 0001140361-25-037817
- form_type: 8-K
- ticker: TMUS
- cik: 0001283699
- company_name: T-Mobile US, Inc.
- filed_at: 2025-10-09T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1283699/000114036125037817/0001140361-25-037817-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1283699/000114036125037817/ny20056240x4_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-037817
- JSON: https://secwatch.observer/filing/0001140361-25-037817.json
- Plain text: https://secwatch.observer/filing/0001140361-25-037817.txt

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