---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-312010"
form_type: "8-K"
ticker: "TMUS"
cik: "0001283699"
company_name: "T-Mobile US, Inc."
filed_at: "2025-12-09T23:59:59+00:00"
generated_at: "2026-05-16T13:45:46.077090+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# T-Mobile appoints Jonathan Freier as COO; approves retirement program for CLO Mark Nelson

## Summary
- Jonathan A. Freier appointed COO effective Dec 5, 2025; previously President, Consumer Group since Sept 2021.
- Compensation: base salary $1M, target STI 200% of earnings, LTI target value at least $9M starting 2026.
- Base salary and LTI target to increase to 50th percentile of peer officers in 2027, then 60th percentile from 2028.
- Compensation Committee approved Retirement Program effective Jan 1, 2026 for Section 16 officers; CLO Mark Nelson to participate.
- Nelson's retirement benefits include pro-rata STI, continued vesting of annual LTI awards, and 18-month health coverage.

## SEC filing metadata
- accession: 0001193125-25-312010
- form_type: 8-K
- ticker: TMUS
- cik: 0001283699
- company_name: T-Mobile US, Inc.
- filed_at: 2025-12-09T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1283699/000119312525312010/0001193125-25-312010-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1283699/000119312525312010/d41056d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-312010
- JSON: https://secwatch.observer/filing/0001193125-25-312010.json
- Plain text: https://secwatch.observer/filing/0001193125-25-312010.txt

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