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Mike Sievert

Vice Chairman at T-Mobile UST-Mobile US
Executive
Board

About Mike Sievert

President & CEO of T-Mobile US since April 2020 and director since 2018; age 55; BA in Economics (Wharton). Under his tenure, TMUS stock rose 159.3% from Apr 1, 2020 to Dec 31, 2024, while Net Income rose 270% and Adjusted Free Cash Flow rose 468% (2020→2024), evidencing strong value creation . 2024 operating metrics: Total Service Revenues $66.2B; Postpaid Service Revenues $52.3B; Net Income $11.3B; Core Adjusted EBITDA $31.8B; Adjusted FCF $17.0B .

Past Roles

OrganizationRoleYearsStrategic Impact
T-Mobile USEVP & CMO; COO; President & COO; CEO2012–present (CEO since Apr 2020)Led branding/Un-carrier, integration post Sprint; drove subscriber and FCF growth
ClearwireChief Commercial Officer2009–2011Ran all customer-facing operations
Switchbox LabsCo-founder & CEO2008–2009Built consumer tech sold to Lenovo
MicrosoftCorporate VP, Windows (global P&L)2005–2008Global product mgmt and P&L for Windows
AT&T WirelessEVP & CMO~2002–2005Led marketing in wireless
E*TRADEChief Sales & Marketing OfficerPrior to 2005Commercial leadership in fintech
Procter & Gamble; IBMEarly rolesFoundational operating/tech experience

External Roles

OrganizationRoleYears
Starbucks CorporationDirectorCurrent
Rogers Wireless; Switch & Data; multiple startupsDirectorPrior
Shaw CommunicationsDirector2018–Apr 2023

Fixed Compensation

Metric202220232024
Base Salary ($)1,664,285 1,748,414 1,848,077
Target Bonus % of Salary≥250% (per employment agreement) ≥250% 250%
Peer Benchmarking (CEO)Base at median; LTI 60th percentile (2024) Base $1.85M; LTI target $20.853M (60th percentile)

Performance Compensation

ComponentMetricWeightThresholdTargetMaximumActualPayout/Vesting
2024 STIP (cash)Service Revenue ($mm)20%63,460 66,460 67,210 66,890 157% achievement; CEO STIP paid $7,723,750
2024 STIP (cash)Total Net Adds (mm)20%4.022 6.022 6.772 6.427 154% achievement
2024 STIP (cash)Core Adjusted EBITDA ($mm)30%29,400 31,400 32,150 31,771 149% achievement
2024 STIP (cash)Adjusted FCF ($mm)30%15,250 16,500 17,250 17,424 200% achievement; total corporate attainment 167%
2024 PRSUsRelative TSR (vs peer group)65% (of PRSU mix)25th pct (25%) 50th pct (100%) 80th+ (200%) 3-yr measurement; settles in shares0–200% linear; >100% requires positive TSR
2024 PRSUsAbsolute FCF35% (of PRSU mix)25% 100% 200% 3-yr measurement to 12/31/2026; settled in cash0–200% linear
2021 PRSUs (vested 2024)Relative TSR131% of targetEarned and paid in shares
2021 PRSUs (vested 2024)FCF150% of targetEarned and paid (cash based on stock value)

2024 equity grant sizing for CEO:

  • RSUs: 64,093 units; grant-date fair value $10,077,342
  • PRSU RTSR target: 41,661 units; fair value $6,818,656
  • PRSU FCF target: 22,432 units; fair value $3,526,983

Equity Ownership & Alignment

ItemDetail
Beneficial Ownership236,640 shares; <1% of outstanding as of Mar 31, 2025
Stock Ownership GuidelinesCEO 5x base salary; all NEOs in compliance as of Dec 31, 2024
Anti-Hedging/PledgingHedging, short sales, and pledging prohibited; policy noted (exception only for director Claure’s pre-2020 pledge, not applicable to CEO)
Outstanding (FY-end 2024)2024 RSUs: 64,093 (MV $14,147,248); 2024 PRSU RTSR: 41,661 (MV $18,391,665 at max reporting); 2024 PRSU FCF: 22,432 (MV $4,951,415 at target reporting)

Insider transactions (2025): Multiple Form 4s and Form 144s indicating periodic sales/withholdings around vesting cycles (e.g., 22,500-share sales on Feb 25–26, May 19–20, Aug 18–19, 2025; RSU tax-withholding entries on Nov 9, 2025). See SEC filing indexes and Form 4 summaries .

Employment Terms

ProvisionKey Terms
Employment Agreement TermThrough Apr 1, 2028; auto 1-year extensions unless 90-day notice
Base Salary Escalators≥$1.85M (2024); ≥$1.9M (2025); ≥$2.0M (2026–2027) or peer median, whichever higher
Target Bonus≥250% of base salary; max payout 200% of target
LTI Structure50% PRSUs (RTSR/FCF), 50% RSUs; 2024 LTI target grant value set to peer 60th percentile ($20.853M); 2025+ peer 65th percentile floor
RSU Vesting3 annual tranches over 3 years
PRSU VestingCliff vest after 3-year performance period (RTSR relative; FCF absolute)
Non-Compete & CovenantsRestrictive covenants; CEO non-compete duration 2 years post termination
ClawbackSEC/NASDAQ-compliant recoupment of incentive-based comp upon restatement
Severance (No CIC)2x (base + target bonus) cash; prior-year STIP if unpaid; pro-rata current-year STIP based on actual; full RSU vest; PRSUs: pro-rata based on actual and pro-rata at greater of target/actual; 18 months medical; office/assistant support (≤$25k/month, 18 months); continued mobile discounts, subject to release
Change-in-Control (CIC)Under plans/agreements: time-based awards fully vest; PRSUs vest/pay at greater of target or actual; STIP at greater of target or actual; cash severance structured under Executive Continuity Plan for other NEOs (2x base + greater of target bonus at termination/just before CIC), with “best-pay” 280G cutback
Estimated Payments (as of 12/31/2024)CEO: Cash Severance $12,950,000 in both reorg before CIC and after/in connection with CIC; plus vesting values and STIP per table below
Retirement ProvisionCEO can retire on/after Apr 1, 2026; scaled cash multiple and proportional vesting of time/performance awards plus benefits; office/assistant and mobile discounts continue

Estimated payments for CEO (as of 12/31/2024):

ScenarioCash Severance ($)Time-Based RSUs ($)Performance-Based RSUs ($)2024 STIP ($)Office/Assistant ($)Medical Coverage ($)Outplacement ($)Total ($)
Reorg before CIC12,950,000 28,821,378 59,741,237 4,625,000 450,000 28,342 4,200 106,620,157
Termination w/o cause or for good reason in/after CIC12,950,000 28,821,378 59,741,237 4,625,000 450,000 28,342 4,200 106,620,157
Death/Disability28,821,378 59,741,237 4,625,000 93,187,615

Transition update (2025): An 8‑K “Sievert Amendment” (Sept 2025) states Mr. Sievert will cease CEO role and become Vice Chairman of T-Mobile and of the Board, with $7,000,000 annual base; no STIP/LTI; and severance/accelerated vesting as if terminated on the Effective Date (with RTSR performance period truncated to Sept 19, 2025 for determination). Post-Effective Date termination provisions include a lump sum equal to 12 months of then-current base salary less base earned, and continued benefits/mobile discounts, subject to release .

Director & Board Governance

AttributeDetail
Board StructureControlled company (DT controls ~58.9% of voting via proxy); 13 directors; Chair (Timotheus Höttges, CEO of DT) separate from CEO
Lead Independent DirectorTeresa A. Taylor; presides over executive sessions and governs independent director activities
IndependenceIndependent directors designated; CEO (Sievert) is not independent
CommitteesAudit; Compensation; Nominating & Governance; CEO Selection; Executive; Transaction (Sievert serves on Executive and Transaction)
Committee ChairsIndependent chairs for Audit/Comp/NomGov; Mercer as independent comp consultant
Meetings & AttendanceBoard met 5 times in 2024; each director ≥75% attendance; all attended 2024 annual meeting
Anti-Hedging/PledgingProhibitions in policy (exception only for a director’s pre-existing pledge)
Say-on-Pay2023 vote approval ~96.7%; next say-on-pay expected in 2026

Director compensation program (non-employee directors): Annual cash retainer $143,000; RSUs $255,000; additional retainers for roles; meeting fees; stock ownership guideline = 5x cash retainer; all compliant as of Dec 31, 2024 .

Multi-Year Compensation Summary (CEO)

Metric202220232024
Salary ($)1,664,285 1,748,414 1,848,077
Stock Awards ($)20,175,892 29,281,807 20,422,982
Non-Equity Incentive (STIP) ($)7,128,588 6,387,500 7,723,750
All Other Compensation ($)91,282 71,131 45,437
Total ($)29,060,048 37,488,851 30,040,245

Equity Grant Detail (2024)

Award TypeGrant DateTarget UnitsGrant-Date Fair Value ($)
RSU (time-based)Feb 15, 202464,093 10,077,342
PRSU – RTSRFeb 15, 202441,661 6,818,656
PRSU – FCFFeb 15, 202422,432 3,526,983

Performance & Track Record

  • 2024: Industry-leading growth; postpaid net adds 6.1M; record low churn; broadband customers 6.4M; record Adjusted FCF $17.0B; network leadership expanded; strategic moves in fiber JVs; first 5G SA core slice for first responders; satellite-to-cell connectivity .
  • Pay vs Performance linkage: Compensation actually paid tracks stock price performance; strong TSR relative to peers over 2020–2024 .

Compensation Structure Analysis

  • High at-risk mix: ~90% of CEO target comp is variable; strong multi-metric STIP; PRSUs tied to RTSR and FCF .
  • Peer benchmarking: CEO base and LTI set at market-based percentiles (median base; 60th percentile LTI in 2024; 65th in 2025+) .
  • No gross-ups; formal clawback; caps at 200%; independent consultant Mercer; annual risk assessments; no significant perquisites beyond security .

Risk Indicators & Red Flags

  • Controlled-company governance: DT’s voting control (~58.9% as of Mar 31, 2025) may limit certain governance requirements (board majority independence, etc.) though mitigated by independent committee chairs and lead independent director .
  • Large severance/change-in-role economics: CEO severance package substantial (cash plus full/accelerated equity vesting in many scenarios), and 2025 transition “Sievert Amendment” grants $7M base and accelerated vesting mechanics; monitor alignment during transition .
  • Insider selling cadence: Recurring Form 4/Form 144 filings around vesting dates may add perceived overhang; evaluate 10b5‑1 plans and tax withholdings noted in filings .

Equity Ownership & Alignment (Detail at FY-End 2024)

AwardUnvested UnitsMarket Value Assumption ($220.73/sh)
2024 RSUs64,093$14,147,248
2024 PRSU RTSR41,661$18,391,665 (SEC max reporting methodology)
2024 PRSU FCF22,432$4,951,415 (target reporting)

Say‑on‑Pay & Shareholder Feedback

  • 2023 say‑on‑pay approval: ~96.7% support; next vote in 2026 .

Compensation Peer Group (Reference)

AT&T, Charter, Cisco, Comcast, Intel, IBM, Liberty Global, Lumen, Microsoft, Oracle, Qualcomm, Disney, Verizon; TMUS set base/LTI targets vs percentiles of this group .

Investment Implications

  • Alignment: Strong pay-for-performance with multi-metric STIP and PRSUs linked to TSR and FCF; CEO meets ownership guidelines; anti-hedging/pledging policies enforce alignment .
  • Retention/transition: The 2025 “Sievert Amendment” indicates leadership transition to Vice Chairman with significant base pay and accelerated vesting treatment; assess execution continuity and succession strength, and monitor 2025–2026 PRSU determinations under amended timelines .
  • Governance: Controlled-company status persists; however, separation of Chair/CEO, lead independent director, independent committee leadership, and strong clawback mitigate risks .
  • Trading signals: Periodic insider Forms 4/144 around vesting dates suggest ongoing sales cadence; investors should monitor for 10b5‑1 plan disclosures and tax-withholding entries to gauge pressure on float .

Notes: All compensation/ownership data reflect the Company’s 2025 DEF 14A and associated SEC filings for accuracy. Non-GAAP measures are reconciled in the proxy Appendix A; STIP actuals adjusted per Compensation Committee provisions .