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.
The T-Mobile US, Inc. (NASDAQ: TMUS) SEC filings page provides access to the company’s regulatory disclosures as filed with the U.S. Securities and Exchange Commission. As a large U.S. wireless carrier with listed common stock and multiple series of registered senior notes, T-Mobile reports a wide range of information through Forms 8‑K, 10‑K, 10‑Q and related exhibits. This page organizes those filings and pairs them with AI-generated summaries to help readers understand the key points without reading every page.
Recent Form 8‑K filings for T-Mobile cover topics such as quarterly financial and operating results, leadership and board changes, acquisitions and integration steps, and capital markets activity. For example, the company has furnished press releases and investor factbooks for its quarterly results, described the appointment of a new President and Chief Executive Officer and other senior executives, and detailed public offerings of senior notes with various maturities, coupons and listing arrangements on Nasdaq.
Filings also explain debt and capital structure developments, including new note issuances by T-Mobile USA, Inc., exchange offers and consent solicitations related to notes originally issued by United States Cellular Corporation, and the terms of indentures and supplemental indentures governing these securities. Investors interested in T-Mobile’s funding strategy, guarantees by T-Mobile US, Inc. and certain subsidiaries, and the registration status of its notes can review these documents in detail.
Through this page, users can quickly locate T-Mobile’s annual reports on Form 10‑K, quarterly reports on Form 10‑Q, current reports on Form 8‑K and other registration statements or prospectuses. AI-powered tools highlight important sections, such as descriptions of new securities, summaries of material events, and changes in governance or executive compensation, helping readers navigate complex filings and focus on the disclosures most relevant to their analysis of TMUS.
Deutsche Telekom and affiliated entities reported the sale of 209,520 shares of T‑Mobile US, Inc. (TMUS) in multiple transactions on August 8, 11 and 12, 2025, executed under a 10b5‑1 trading plan adopted March 13, 2025. The Form 4 shows block-level weighted‑average prices and disclosed price ranges for each sale, with per‑block weighted prices listed roughly between $243.29 and $252.40 per share. The reporting persons are Deutsche Telekom AG and several wholly owned affiliates that serve as directors and 10% owners; they disclaim beneficial ownership except for any pecuniary interest. Footnotes note a proxy agreement with SoftBank and its reported sale of 9,433,600 shares that affected the shares the reporting persons may be deemed to beneficially own.
The Reporting Persons—SoftBank Group Corp. and affiliated entities—filed Amendment No. 18 to their Schedule 13D for T-Mobile US common stock. On August 6, 2025 Project 4 LLC, Project 6 LLC and Project 9 LLC sold an aggregate of 13,000,000 shares in an unregistered block sale under Rule 144 for net proceeds of approximately $3.02 billion, representing about 1.16% of outstanding common stock as of July 18, 2025. Individual sale breakdown: Project 4 sold 3,566,400 shares, Project 6 sold 182,043, and Project 9 sold 9,251,557. As a result, the Reporting Persons’ collective beneficial ownership fell below 5% and this Amendment is the final Schedule 13D filing; the cover pages show SoftBank beneficially owns 50,861,065 shares (4.52%). The filing also states the Reporting Persons will continue to monitor and evaluate their investment.
Form 4 filing (08/07/2025) – T-Mobile US (TMUS)
Deutsche Telekom AG and its wholly-owned subsidiaries (collectively the “Reporting Persons”), which are directors-by-deputization and >10% owners of TMUS, disclosed open-market sales executed under a Rule 10b5-1 plan adopted 13 Mar 2025.
- Sale dates: 6-7 Aug 2025
- Total shares sold: 139,680 common shares (11 individual trades)
- Price range: $235.70 – $243.14; weighted averages per trade noted in footnotes (2)-(12)
- Estimated proceeds: ≈ $33 million (shares × reported weighted averages)
- Post-sale ownership: 646,054,524 common shares held directly
The divestiture reduces Deutsche Telekom’s stake by roughly 0.02%, leaving its majority position essentially intact. No derivative transactions were reported.
On 29 July 2025, Deutsche Telekom AG and three wholly-owned subsidiaries, each deemed a 10% owner and director-by-deputization of T-Mobile US (TMUS), filed a Form 4 disclosing open-market dispositions executed under a Rule 10b5-1 trading plan adopted 13 Mar 2025.
- Total shares sold: 209,520 common shares over three sessions (25, 28 and 29 Jul 2025).
- Daily tranches: 69,840 shares per day.
- Price range: $237.35 – $249.90; weighted-average prices for individual tranches span $238.02 to $248.71.
- Post-sale holding: 646,543,404 shares versus 646,720,423 before the first reported trade –– a reduction of ~177 k shares (≈0.03 % of TMUS outstanding).
No derivative securities were involved. The modest sale represents routine liquidity management by the controlling shareholder; Deutsche Telekom retains a dominant equity position in TMUS.
T-Mobile US, Inc. (TMUS) filed a Form 144 indicating an insider’s intent to sell 12,300 common shares on or about 29 Jul 2025. The planned sale has an aggregate market value of ≈ $2.96 million, implying a reference price near $241 per share. The shares represent ~0.001% of the 1.13 billion shares outstanding, so dilution impact is negligible.
The securities were acquired through restricted-stock vestings on 15 Feb 2022 (6,372 shares) and 15 Feb 2024 (5,928 shares) and will be sold through Fidelity Brokerage Services on Nasdaq. No prior sales were reported in the past three months. The filer certifies no undisclosed material adverse information and compliance with Rule 10b5-1 if a trading plan is in place.
- Form 144 serves only as advance notice; it does not guarantee execution or disclose sale price.
- Given the modest size relative to market capitalization, the filing is unlikely to be financially material but may signal personal portfolio rebalancing by the insider.