SCHEDULE 13D/A: Deutsche Telekom Subsidiary Initiates Planned Sale of T-Mobile US Shares

Deutsche Telekom Holding B.V., a subsidiary of Deutsche Telekom AG, has entered into a Rule 10b5-1 sales plan to sell a portion of its T-Mobile US, Inc. common stock between September and December 2025.

Summary

• Deutsche Telekom AG and its subsidiaries (Reporting Persons) beneficially own 670,278,284 shares of T-Mobile US, Inc. Common Stock, representing 59.0% of the outstanding shares as of April 17, 2025.
• This ownership includes 588,483,619 shares held directly by DT Holding, and 81,794,665 shares held by SoftBank subsidiaries (Project 6 and Project 9) subject to a proxy.
• On June 12, 2025, DT Holding entered into a Rule 10b5-1 Sales Plan with Santander US Capital Markets LLC.
• Under this plan, Santander is authorized to sell T-Mobile US Common Stock on behalf of DT Holding but not to purchase Common Stock.
• Sales under the plan will commence no earlier than September 11, 2025, and will conclude by December 30, 2025.

Sentiment

Score: 5

Explanation: The sentiment is neutral. While a planned sale by a major shareholder can create short-term selling pressure, the use of a 10b5-1 plan indicates a structured and pre-planned disposition, which is generally viewed as an orderly process rather than a distressed sale. It does not inherently reflect negatively on T-Mobile US's operational performance.

Positives

• The sale is structured under a Rule 10b5-1 plan, indicating a pre-arranged, orderly disposition of shares rather than an immediate, unstructured market sale.
• The plan has a defined start and end date, providing clarity on the period of potential sales activity.

Negatives

• The planned sale by a major shareholder (Deutsche Telekom) could introduce additional supply of T-Mobile US shares into the market, potentially exerting downward pressure on the stock price during the sale period.
• A reduction in stake by a significant long-term holder might be interpreted by some investors as a signal of reduced confidence, although this is not explicitly stated.

Risks

• Increased selling pressure on T-Mobile US common stock due to the planned disposition by a major shareholder.
• Potential negative market perception if investors interpret the sale as a lack of long-term commitment from Deutsche Telekom, despite it being a structured plan.

Future Outlook

Deutsche Telekom Holding B.V. plans to sell an unspecified portion of its T-Mobile US common stock through a Rule 10b5-1 plan, with sales commencing no earlier than September 11, 2025, and concluding by December 30, 2025.

Industry Context

This filing indicates a strategic decision by Deutsche Telekom, a major global telecommunications player, to potentially adjust its stake in T-Mobile US. Such a move could be part of a broader capital allocation strategy or a rebalancing of its international portfolio, common among large multinational corporations in the dynamic telecom sector.

Comparison to Industry Standards

• The document does not provide specific comparable companies, projects, or results to assess against global benchmarks.
• The action of a major shareholder initiating a structured sale plan is a common practice for managing large equity positions, similar to how other large institutional investors or corporate parents might adjust their holdings in publicly traded subsidiaries.

Stakeholder Impact

• Shareholders: Potential for increased selling pressure on T-Mobile US stock during the sale period.
• Deutsche Telekom: Execution of a capital allocation strategy.

Next Steps

• Sales of T-Mobile US Common Stock by DT Holding under the 10b5-1 Plan will commence no earlier than September 11, 2025.
• Sales under the plan will continue until December 30, 2025.

Key Dates

Recommendation

Keywords

T-Mobile US, Deutsche Telekom, TMUS, SEC Filing, Schedule 13D, Share Sale, 10b5-1 Plan, Beneficial Ownership, Telecommunications, Wireless Carrier