Welcome to our dedicated page for T-Mobile US SEC filings (Ticker: TMUS), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
T-Mobile US, Inc. filings document the regulatory record for a Nasdaq-listed wireless carrier with common stock and multiple series of senior notes outstanding. Recent 8-K reports furnish quarterly and annual operating results, investor factbooks, capital markets updates and other material events tied to the company’s wireless and broadband business.
Proxy materials describe annual meeting proposals, director elections, auditor ratification and governance matters. Other filings identify registered debt securities, note offerings by T-Mobile USA, Inc., capital-structure disclosures and exhibit records for press releases, investor materials and financing documents.
T-Mobile US, Inc. and T-Mobile USA, Inc. filed Post-Effective Amendment No. 5 to their Form S-3 shelf registration statement. The amendment adds Lab465, LLC, Octopus Interactive Inc., Play Octopus LLC and USCC Services, LLC as subsidiary guarantors of T-Mobile USA debt securities and registers their guarantees.
The filing also reflects the name change of TVN Ventures LLC to T-Mobile MW LLC, removes Assurance Wireless of South Carolina, LLC and IBSV LLC as guarantors and co-registrants, and comprehensively updates the Table of Additional Registrants. It further adds related legal and trustee exhibits, while leaving the existing base prospectus unchanged.
T-Mobile US, Inc. (TMUS) Form 3 reports an initial beneficial ownership by John Saw, identified as President of Technology & CTO and a director/officer. The filing shows 40,026 shares of common stock held directly, which include 13,575 restricted stock units and 10,677 performance-based restricted stock units (the minimum award, equal to 80% of target). The PRSUs vest in full on April 1, 2028. No derivative securities are reported.
Mudesir Abdurazak filed an initial Form 3 disclosing his relationship as a Director of T‑Mobile US, Inc. (TMUS). The report covers an event dated 09/19/2025 and was signed on 09/26/2025 by an attorney‑in‑fact. The Form 3 shows zero shares of common stock beneficially owned directly by the reporting person at the time of the filing and contains no derivative holdings or other securities reported. No amendments, joint filings, or explanatory remarks are included beyond the signature block.
T-Mobile US, Inc. reported that on September 19, 2025, Abdurazak Mudesir was elected to its Board of Directors, effective immediately. He was selected as a designee of Deutsche Telekom AG under a Second Amended and Restated Stockholders’ Agreement with Deutsche Telekom and SoftBank Group Corp.
Mr. Mudesir currently serves as the Chief Technology Officer of Deutsche Telekom, adding senior technology and strategic expertise from a major stockholder to T-Mobile’s boardroom.
Andre Almeida, an officer of T-Mobile US, Inc., reported an award of 14,208 performance-based restricted stock units (PRSUs) on 09/19/2025 at a $0 per-unit price. The filing states these PRSUs represent the minimum award equal to 80% of the target grant. The PRSUs are scheduled to vest in full on April 1, 2028, and additional restricted stock units may be earned depending on achievement of specified performance metrics under the issuer's 2023 Incentive Award Plan. After the reported transaction, the filing lists 26,464.85 shares as the amount of securities beneficially owned following the transaction.
Deutsche Telekom and its wholly owned subsidiaries reported multiple sales of T-Mobile US common stock under a 10b5-1 trading plan adopted June 12, 2025. Between September 17 and September 19, 2025 the reporting persons sold a total of 193,278 shares in a series of transactions at weighted-average prices reported in the filing, with transaction price ranges disclosed in footnotes (roughly $236.50 to $240.78 per share). The sellers are Deutsche Telekom AG, T-Mobile Global Holding GmbH, T-Mobile Global Zwischenholding GmbH and Deutsche Telekom Holding B.V., each identified as a director and 10% owner of the issuer.
The filing lists beneficial ownership remaining in the range of approximately 634.6 million shares following the reported disposals and states that the transactions were effected pursuant to the adopted 10b5-1 plan. The report includes standard disclaimers that each reporting person disclaims beneficial ownership except to the extent of any pecuniary interest.
T-Mobile announced a leadership transition effective November 1, 2025: Srinivasan Gopalan will become President and Chief Executive Officer and join the Board. Current CEO G. Michael Sievert will transition to Vice Chairman of the Company and Vice Chairman of the Board and remain a Deutsche Telekom AG designee under the existing stockholders' agreement.
The filing describes compensation and benefit terms tied to the change: Gopalan will receive annual long-term incentive awards with an Annual LTI Target Value not less than $19,500,000 commencing in 2026, relocation benefits subject to pro-rata repayment if employment ends under certain conditions, and limited company-paid first-class round-trip airfare for his family through March 1, 2027 (capped at 32 round trips). Amendments to compensation term sheets for two other executives (Peter Osvaldik and Michael J. Katz) will become effective on the same date.
T-Mobile US, Inc. (Form 144) notice reports a proposed sale of 5,000,000 shares of common stock through Santander US Capital Markets on 09/11/2025 on NASDAQ, with an aggregate market value listed as $1,201,900,000. The filing shows these shares were acquired on 05/31/2001 in a merger or acquisition from the issuer. The company reports total shares outstanding of 1,125,419,038, so the proposed block represents a small fraction of outstanding stock. The filing also discloses numerous prior 10b5-1 sales by Deutsche Telekom Holding B.V. over the past three months, showing a pattern of executed automated sales and providing transparency about recent insider/affiliate dispositions.
T-Mobile US insiders tied to Deutsche Telekom reported a series of open-market sales of Common Stock on September 9-10, 2025 under a 10b5-1 trading plan adopted March 13, 2025. The report lists eight sales totaling 139,680 shares disposed across the two days with weighted-average prices noted in footnotes and per-share price ranges for each block. The filing identifies the reporting parties as Deutsche Telekom AG and several wholly-owned subsidiaries, each marked as a director and a 10% owner, and disclaims beneficial ownership except to the extent of any pecuniary interest.
Deutsche Telekom and its wholly owned subsidiaries reported scheduled sales of T-Mobile US (TMUS) common stock under a 10b5-1 trading plan adopted March 13, 2025. The Form 4 lists multiple dispositions on September 4–8, 2025 totaling 209,520 shares sold across many transactions at weighted-average prices that ranged by tranche (examples include ranges near $250.82–$256.69 and $237.54–$247.23). The reporting entities listed are Deutsche Telekom AG, T-Mobile Global Holding GmbH, T-Mobile Global Zwischenholding GmbH and Deutsche Telekom Holding B.V., each marked as a director and 10% owner. No derivative transactions are reported and the filing includes customary disclaimers about beneficial ownership and director-by-deputization.