---
schema_version: "secwatch.filing_event.v1"
accession: "0001283699-24-000062"
form_type: "8-K"
ticker: "TMUS"
cik: "0001283699"
company_name: "T-Mobile US, Inc."
filed_at: "2024-04-25T23:59:59+00:00"
generated_at: "2026-06-03T07:35:30.952445+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# T-Mobile Q1 net income $2.4B (+22% YoY), raises 2024 guidance; postpaid phone net adds 532K

## Summary
- Service revenues $16.1B (+4% YoY), postpaid service revenues $12.6B (+6% YoY).
- Diluted EPS $2.00 (+27% YoY); Core Adjusted EBITDA $7.6B (+8% YoY).
- Postpaid phone net adds 532K (best in industry); postpaid phone churn 0.86% (record low).
- High Speed Internet customer base surpasses 5M with 405K net adds in Q1.
- Raised 2024 guidance; returned $4.3B to stockholders ($3.6B buybacks + $769M dividend).

## SEC filing metadata
- accession: 0001283699-24-000062
- form_type: 8-K
- ticker: TMUS
- cik: 0001283699
- company_name: T-Mobile US, Inc.
- filed_at: 2024-04-25T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1283699/000128369924000062/0001283699-24-000062-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1283699/000128369924000062/tmus-20240425.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001283699-24-000062
- JSON: https://secwatch.observer/filing/0001283699-24-000062.json
- Plain text: https://secwatch.observer/filing/0001283699-24-000062.txt

## Key facts
- Earnings Releases
  T-Mobile US, Inc. updated its the quarter ended March 31, 2024 guidance (raised).
  - Period: the quarter ended March 31, 2024
  - Guidance: raised
  - Result: reported results
  source text: On April 25, 2024, T-Mobile US, Inc. (the “Company”) issued a press release announcing the financial and operating results of the Company for the quarter ended March 31, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1283699/000128369924000062/0001283699-24-000062-index.htm

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