---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-154363"
form_type: "8-K"
ticker: "TMUS"
cik: "0001283699"
company_name: "T-Mobile US, Inc."
filed_at: "2025-07-02T23:59:59+00:00"
generated_at: "2026-05-18T09:35:15.113561+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# T-Mobile extends USCC debt exchange offer to Aug 1, reports high tenders

## Summary
- Expiration extended to 5:00 p.m. on Aug 1, 2025; withdrawal deadline already passed.
- 89.83% of USCC 2033 notes ($488.7M) tendered; 78.28% of 2069 notes tendered.
- 78.83% of March 2070 notes and 78.05% of June 2070 notes tendered.
- Exchange offers part of T-Mobile's acquisition of USCC wireless ops & spectrum.
- All other terms unchanged; tender results as of original July 1 expiration.

## SEC filing metadata
- accession: 0001193125-25-154363
- form_type: 8-K
- ticker: TMUS
- cik: 0001283699
- company_name: T-Mobile US, Inc.
- filed_at: 2025-07-02T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1283699/000119312525154363/0001193125-25-154363-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1283699/000119312525154363/d881286d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-154363
- JSON: https://secwatch.observer/filing/0001193125-25-154363.json
- Plain text: https://secwatch.observer/filing/0001193125-25-154363.txt

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