---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-23-012407"
form_type: "8-K"
ticker: "TMUS"
cik: "0001283699"
company_name: "T-Mobile US, Inc."
filed_at: "2023-03-20T23:59:59+00:00"
generated_at: "2026-06-17T22:52:13.467669+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# T-Mobile units get >88% consent to amend indentures for $9.7B wireline sale to Cogent

## Summary
- Sprint and SCC received requisite consents to amend indentures for six series of notes totaling ~$10.2B outstanding.
- Amendments carve out Wireline Transaction from restrictions on mergers and asset transfers.
- Consent payments of $1.00 per $1,000 principal to be paid March 20, 2023.
- Sprint and SCC executed supplemental indentures on March 17, 2023.
- Amendments facilitate previously announced sale of Sprint's long-haul fiber network to Cogent.

## SEC filing metadata
- accession: 0001140361-23-012407
- form_type: 8-K
- ticker: TMUS
- cik: 0001283699
- company_name: T-Mobile US, Inc.
- filed_at: 2023-03-20T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 3.03, 5.07, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1283699/000114036123012407/0001140361-23-012407-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1283699/000114036123012407/brhc10049993_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-23-012407
- JSON: https://secwatch.observer/filing/0001140361-23-012407.json
- Plain text: https://secwatch.observer/filing/0001140361-23-012407.txt

## Key facts
- Material Agreements
  T-Mobile US, Inc. entered into Sixth Supplemental Indenture (SCC Supplemental Indenture) with The Bank of New York Mellon Trust Company, N.A. valued at Amends the SCC Indenture to provide that the restriction on mergers and consolidations of Sprint Com (effective 2023-03-17).
  - Action: entry
  - Agreement: notes offering
  - Counterparty: The Bank of New York Mellon Trust Company, N.A.
  - Value: Amends the SCC Indenture to provide that the restriction on mergers and consolidations of Sprint Com
  - Effective: 2023-03-17
  source text: Also on March 17, 2023, SCC entered into the Sixth Supplemental Indenture (the “ SCC Supplemental Indenture ”) by and among SCC, Sprint Communications LLC (“ Sprint Communications ”) and The Bank of New York Mellon Trust Company, N.A. (the “ SCC Trustee ”), which amends and supplements the Indenture, dated as of October 1, 1998, by and among SCC, Sprint Communications and the SCC Trustee (as amended and supplemented, the “ SCC Indenture ”). The SCC Supplemental Indenture effects certain amendments (the “ SCC Indenture Amendments ” and together with the Sprint Indenture Amendments, the “ Indenture Amendments ”) to the SCC Indenture pertaining to SCC’s 6.875% Notes due 2028 and 8.750% Notes due 2032 (collectively, the “ SCC Notes ” and together with the Sprint Notes, the “ Notes ”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1283699/000114036123012407/0001140361-23-012407-index.htm
- Material Agreements
  T-Mobile US, Inc. entered into Ninth Supplemental Indenture (Sprint Supplemental Indenture) with The Bank of New York Mellon Trust Company, N.A. valued at Amends the Sprint Indenture to provide that the restriction on mergers, consolidations and transfers (effective 2023-03-17).
  - Action: entry
  - Agreement: notes offering
  - Counterparty: The Bank of New York Mellon Trust Company, N.A.
  - Value: Amends the Sprint Indenture to provide that the restriction on mergers, consolidations and transfers
  - Effective: 2023-03-17
  source text: On March 17, 2023, Sprint entered into the Ninth Supplemental Indenture (the “ Sprint Supplemental Indenture ”) by and between Sprint and The Bank of New York Mellon Trust Company, N.A. (the “ Sprint Trustee ”), which amends and supplements the Senior Notes Indenture, dated as of September 11, 2013, by and between Sprint and the Sprint Trustee (as amended and supplemented, the “ Sprint Indenture ”). The Sprint Supplemental Indenture effects certain amendments (the “ Sprint Indenture Amendments ”) to the Sprint Indenture pertaining to Sprint’s 7.875% Notes due 2023, 7.125% Notes due 2024, 7.625% Notes due 2025 and 7.625% Notes due 2026 (collectively, the “ Sprint Notes ”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1283699/000114036123012407/0001140361-23-012407-index.htm

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