Form 4: Deutsche Telekom Reduces T-Mobile US Stake

Deutsche Telekom and its subsidiaries reported sales of 123,852 T-Mobile US common shares on October 21 and 22, 2025, under a pre-arranged 10b5-1 trading plan.

Summary

• Deutsche Telekom AG and its wholly-owned subsidiaries (T-Mobile Global Holding GmbH, T-Mobile Global Zwischenholding GmbH, and Deutsche Telekom Holding B.V.) reported the sale of T-Mobile US, Inc. common stock.
• The transactions occurred on October 21, 2025, and October 22, 2025.
• A total of 123,852 shares of T-Mobile US common stock were disposed of across multiple transactions.
• The sales were executed pursuant to a Rule 10b5-1 trading plan adopted on June 12, 2025.
• Weighted average sale prices ranged from $220.00 to $230.185 per share.
• Following these reported transactions, the reporting persons beneficially own 582,220,759 shares of T-Mobile US common stock.
• The reporting persons are identified as 10% owners and directors (by deputization) of T-Mobile US, Inc.
• Reporting persons disclaim beneficial ownership in certain Common Stock held by affiliates of SoftBank Group Corp. and by Project 6 or Project 9, where they have no pecuniary interest or if not subject to a Proxy Agreement.

Sentiment

Score: 5

Explanation: The sentiment is neutral. While a major shareholder selling shares could be perceived negatively, the fact that these sales were conducted under a pre-arranged 10b5-1 plan mitigates concerns of a sudden negative outlook. It represents a planned portfolio adjustment rather than a reaction to new adverse information.

Positives

• The transactions were conducted under a pre-arranged 10b5-1 trading plan, indicating a systematic and planned approach to share disposition rather than a reactive sale.
• Shares were sold at relatively strong weighted average prices, ranging from $220.00 to $230.185 per share.

Negatives

• A significant shareholder reducing its stake, even if planned, can sometimes be perceived negatively by the market, potentially signaling a lack of conviction or a strategic shift by the seller.

Risks

• Potential negative market perception due to a major shareholder reducing its stake, even if the sale is pre-planned.
• The ongoing nature of the 10b5-1 plan implies further sales could occur, which might exert downward pressure on the stock price if the market perceives a continuous reduction in a major holder's commitment.

Future Outlook

The filing does not provide forward-looking statements regarding T-Mobile US, Inc.'s operational or financial performance. It only indicates that the reported transactions were part of a pre-arranged 10b5-1 trading plan, suggesting a systematic approach to future potential share dispositions by the reporting persons.

Management Comments

• The transactions reported were effected pursuant to a 10b5-1 trading plan adopted on June 12, 2025.
• Reporting Persons disclaim beneficial ownership in Common Stock held by certain affiliates of SoftBank Group Corp. that were subject to a proxy agreement, as they have no pecuniary interest in such shares.
• Deutsche Telekom disclaims beneficial ownership in any Common Stock held by Project 6 or Project 9 if such Common Stock is not subject to the Proxy Agreement.
• Each Reporting Person may be deemed a director-by-deputization due to several DT executives serving on the Issuer's board.

Industry Context

This Form 4 filing reflects a routine insider transaction by a major shareholder in the telecommunications sector. Such planned sales are common for large institutional investors managing their portfolio allocations and do not necessarily indicate a shift in the broader industry trends or competitive landscape for T-Mobile US.

Comparison to Industry Standards

• NA

Corporate Governance

Related Party Transactions

• The reported sales of T-Mobile US common stock by Deutsche Telekom AG and its subsidiaries are considered related party transactions, as Deutsche Telekom is a significant shareholder and has representatives on the Issuer's board.

Stakeholder Impact

• Shareholders: May observe a reduction in the stake held by a major institutional investor, which could lead to minor shifts in market sentiment, though the planned nature of the sales should limit significant negative impact.
• Management: The transactions are part of a pre-existing plan and do not reflect a change in T-Mobile US's operational strategy or performance.

Next Steps

• The 10b5-1 trading plan adopted on June 12, 2025, may lead to further planned sales of T-Mobile US common stock by Deutsche Telekom and its subsidiaries in the future.

Key Dates

Recommendation

The sales by Deutsche Telekom are part of a pre-arranged 10b5-1 trading plan, indicating a systematic portfolio rebalancing rather than a reaction to new negative information about T-Mobile US. While a reduction in stake by a significant shareholder could be viewed cautiously, the planned nature of these transactions suggests no immediate fundamental shift warranting a change in investment stance. Investors should monitor T-Mobile US's operational performance and market position independently.

Keywords

T-Mobile US, TMUS, Deutsche Telekom, Form 4, Insider Sale, 10b5-1 Plan, Beneficial Ownership, Stock Disposition, Telecommunications