secwatch.observer — SEC 8-K summary
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Issuer:     T-Mobile US, Inc. (TMUS)
CIK:        0001283699
Form:       8-K
Filed at:   2025-09-22T23:59:59+00:00
Accession:  0001193125-25-209990
Event type: leadership
Sentiment:  neutral
Materiality: 0.75
Item codes: 5.02, 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

T-Mobile appoints Srinivasan Gopalan as President & CEO effective Nov 1, 2025; Sievert moves to Vice Chairman
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- Gopalan gets base salary $1.4M, target STI 250% of base (2026 onward), annual LTI target >$19.5M with peer-based escalators.
- Sievert becomes Vice Chairman with base $7M, no further STI or LTI; receives cash severance and equity acceleration upon effective date.
- Gopalan receives one-time True-Up LTI awards worth $2.9M and Transformation Award of $10M in performance-based RSUs.
- Osvaldik employment term extended to July 1, 2027; new Expiration Date Payment capped at $10M for 2023 Special PRSU.
- Katz gets base salary >$975k, annual LTI target >$8.575M, with percentile-based increases through 2028+.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1283699/000119312525209990/0001193125-25-209990-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1283699/000119312525209990/d916281d8k.htm
  HTML page:      https://secwatch.observer/filing/0001193125-25-209990

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