T Mobile Us SEC Filings

Michael G. Sievert, President and Chief Executive Officer and a director of T-Mobile US, Inc. (TMUS), reported sales of company common stock pursuant to a Rule 10b5-1 trading plan. The filing shows two dispositions: 22,500 shares sold on 08/18/2025 at a weighted average price of $255.58 (individual trades ranged $254.64–$256.72) and 22,500 shares sold on 08/19/2025 at a weighted average price of $257.17 (individual trades ranged $254.45–$258.42). After the 08/18 sale the filing reports beneficial ownership of 358,721.576 shares; after the 08/19 sale beneficial ownership is reported as 336,221.576 shares. The transactions were effected under a 10b5-1 plan adopted November 14, 2024, and the Form 4 was signed by an attorney-in-fact on 08/20/2025.

Insider sale by T-Mobile US officer. Michael J. Katz, President, Marketing Strategy & Products at T-Mobile US (TMUS), reported the sale of 2,500 shares of common stock on 08/15/2025 at a price of $251.12 per share. After this transaction he beneficially owned 158,702.521 shares, held directly. The filing notes the sale was effected under a Rule 10b5-1 trading plan adopted by the reporting person on November 6, 2024. The Form 4 was signed by an attorney-in-fact on 08/18/2025.

T-Mobile US, Inc. (TMUS) Form 144 reports a proposed sale of 22,500 common shares to be executed through Fidelity Brokerage Services on 08/19/2025 with an aggregate market value listed as $5,786,423.64. The filing shows the shares were acquired on 04/01/2025 by restricted stock vesting and paid as compensation. The issuer’s total shares outstanding are listed as 1,125,419,038. The filer also disclosed three sales of 22,500 shares each during the past three months with gross proceeds of $5,498,998.46, $5,422,210.91, and $5,750,445.91 on 05/19/2025, 05/20/2025, and 08/18/2025 respectively. The signer represents no undisclosed material adverse information and notes potential reliance on a trading plan if applicable.

Form 144 notice for insider sale at T-Mobile US, Inc. (TMUS). The filing reports that 22,500 shares of common stock are proposed to be sold through Fidelity Brokerage Services on NASDAQ with an approximate aggregate market value of $5,751,225 and total outstanding shares of 1,125,419,038. The shares to be sold correspond to restricted stock that vested on 02/15/2025 (4,089 shares) and 04/01/2025 (18,411 shares), both listed as compensation. The filer, identified as G M. Sievert in past sales sections, also sold common shares in the past three months: 22,500 shares on 05/19/2025 for $5,498,998.46 and 22,500 shares on 05/20/2025 for $5,422,210.91. The notice includes the standard signature representation that the seller is not aware of undisclosed material adverse information.

Deutsche Telekom and its subsidiaries reported multiple sales of T-Mobile US (TMUS) common stock under a 10b5-1 trading plan adopted March 13, 2025. The Form 4 shows a series of dispositions executed on August 13–15, 2025, with individual sale lots ranging from 100 to 41,883 shares and reported weighted-average prices in footnotes spanning roughly $249.51 to $256.14 per share. The reporting entities are Deutsche Telekom AG and several wholly owned subsidiaries, each identified as a director and a 10% owner of TMUS. The reports state the sellers disclaim beneficial ownership except to the extent of any pecuniary interest, and that full breakdowns of per-transaction prices are available upon written request.

T-Mobile US, Inc. (TMUS) insider Michael Katz plans to sell 2,500 shares of common stock held from a restricted stock vesting on 03/04/2024. The filing lists an approximate sale date of 08/15/2025 on NASDAQ through Fidelity Brokerage Services and shows the shares represent part of roughly 1.125 billion shares outstanding. The filing also discloses a prior sale of 2,500 shares on 05/15/2025 for $592,800 and an aggregate market value for the proposed 2,500-share transaction of $627,800, indicating a per-share market valuation implied by those totals. The notice affirms the seller does not possess undisclosed material nonpublic information.

Deutsche Telekom and its direct subsidiaries report aggregate beneficial ownership of 636,411,404 shares of T‑Mobile US common stock, representing 56.5% of the outstanding class. The reported stake comprises 585,550,339 shares held by DT Holding plus 32,861,065 shares (Project 6) and 18,000,000 shares (Project 9) that are described in the filing as subject to a proxy.

The amendment also discloses that Project 6 and Project 9 reported an unregistered block sale of 182,043 and 9,251,557 shares, respectively. Deutsche Telekom states it disclaims beneficial ownership of shares held by Project 6 and Project 9 if those shares are not subject to the proxy.

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.