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  4. [Form 4] DEUTSCHE TELEKOM AG Insider Trading Activity

DT-owned entities disclose small TMUS share disposals at $235–$241 under 10b5-1

Filing Impact
(Very High)
Filing Sentiment
(Very Negative)
Form Type
4

Rhea-AI Filing Summary

Deutsche Telekom entities reported prearranged sales of T-Mobile US (TMUS) common stock under a 10b5-1 plan. The Form 4 discloses sales executed on 09/22/2025 and 09/23/2025 totaling 128,852 shares disposed across multiple transactions. Reported per-line weighted-average prices fall roughly between $235.42 and $240.61 per share, with detailed price ranges provided in footnotes. After these transactions, the filing shows aggregate beneficial ownership reported on each line of approximately 634.4 million shares. The sales were effected pursuant to a trading plan adopted June 12, 2025, and the filing includes standard disclaimers about pecuniary interest and indirect ownership.

Positive

  • Sales were effected under a documented 10b5-1 trading plan, which supports compliance with insider trading rules.
  • Detailed price ranges and weighted-average prices are disclosed in footnotes, increasing transparency.
  • Filing covers multiple related reporting persons and subsidiaries, consolidating disclosure for the controlling owner structure.

Negative

  • A 10% owner executed disposals of TMUS shares, which investors may note even though the sold amount is small relative to total reported holdings.

Insights

TL;DR: Preplanned 10b5-1 sales by a 10% owner were disclosed, maintaining regulatory transparency without apparent governance red flags.

The Form 4 shows that multiple Deutsche Telekom-related reporting persons and subsidiaries executed sales under a 10b5-1 program adopted June 12, 2025. The filing provides weighted-average prices and per-transaction price ranges in footnotes and contains customary disclaimers about indirect ownership. From a governance perspective, use of a documented trading plan and clear disclosure aligns with compliance expectations and reduces concerns about opportunistic insider trading, assuming the plan was adopted in good faith and before any material nonpublic developments.

TL;DR: The disclosed sales are small relative to total reported holdings and were executed at prices in the mid-$230s to $240s under a 10b5-1 plan.

The aggregate shares sold (128,852) represent a de minimis fraction of the reported beneficial position (~634.4 million shares reported post-sales). The filing supplies weighted-average prices with ranges per footnote, enabling price transparency for the trades. From a market-impact perspective, the transactions themselves are unlikely to materially affect TMUS valuation given the scale reported; the filing mainly confirms compliance and routine liquidity activity by a large strategic holder.

Insider DEUTSCHE TELEKOM AG, T-Mobile Global Holding GmbH, T-Mobile Global Zwischenholding GmbH, Deutsche Telekom Holding B.V.
Role Director, 10% Owner | Director, 10% Owner | Director, 10% Owner | Director, 10% Owner
Sold 128,852 shs ($30.68M)
Type Security Shares Price Value
Sale Common Stock 3,624 $235.5056 $853K
Sale Common Stock 12,449 $236.4805 $2.94M
Sale Common Stock 9,406 $237.3308 $2.23M
Sale Common Stock 4,807 $238.3399 $1.15M
Sale Common Stock 21,904 $239.4286 $5.24M
Sale Common Stock 12,236 $240.2548 $2.94M
Sale Common Stock 1,328 $235.8863 $313K
Sale Common Stock 35,222 $237.339 $8.36M
Sale Common Stock 23,924 $238.2383 $5.70M
Sale Common Stock 3,796 $239.0778 $908K
Sale Common Stock 156 $240.2181 $37K
Holdings After Transaction: Common Stock — 634,495,572 shares (Direct)
Footnotes (1)
  1. The transactions reported on this Form 4 were effected pursuant to a 10b5-1 trading plan adopted on June 12, 2025. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $235.42 to $236.38 per share. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $236.775 to $237.7695 per share. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $237.77 to $238.765 per share. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $238.77 to $239.76 per share. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $239.90 to $240.32 per share. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $234.83 to $235.82 per share. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $235.83 to $236.8266 per share. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $236.83 to $237.82 per share. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $237.84 to $238.80 per share. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $238.88 to $239.86 per share. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $239.88 to $240.61per share. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
DEUTSCHE TELEKOM AG
(Last) (First) (Middle)
FRIEDRICH-EBERT-ALLEE 140
(Street)
BONN 2M 53113
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
T-Mobile US, Inc. [ TMUS ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
09/22/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 09/22/2025 S(1) 1,328 D $235.8863(2) 634,562,294 D
Common Stock 09/22/2025 S(1) 35,222 D $237.339(3) 634,527,072 D
Common Stock 09/22/2025 S(1) 23,924 D $238.2383(4) 634,503,148 D
Common Stock 09/22/2025 S(1) 3,796 D $239.0778(5) 634,499,352 D
Common Stock 09/22/2025 S(1) 156 D $240.2181(6) 634,499,196 D
Common Stock 09/23/2025 S(1) 3,624 D $235.5056(7) 634,495,572 D
Common Stock 09/23/2025 S(1) 12,449 D $236.4805(8) 634,483,123 D
Common Stock 09/23/2025 S(1) 9,406 D $237.3308(9) 634,473,717 D
Common Stock 09/23/2025 S(1) 4,807 D $238.3399(10) 634,468,910 D
Common Stock 09/23/2025 S(1) 21,904 D $239.4286(11) 634,447,006 D
Common Stock 09/23/2025 S(1) 12,236 D $240.2548(12) 634,434,770 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
1. Name and Address of Reporting Person*
DEUTSCHE TELEKOM AG
(Last) (First) (Middle)
FRIEDRICH-EBERT-ALLEE 140
(Street)
BONN 2M 53113
(City) (State) (Zip)
Relationship of Reporting Person(s) to Issuer
X Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
T-Mobile Global Holding GmbH
(Last) (First) (Middle)
LANDGRABENWEG 151
(Street)
BONN 2M 53227
(City) (State) (Zip)
Relationship of Reporting Person(s) to Issuer
X Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
T-Mobile Global Zwischenholding GmbH
(Last) (First) (Middle)
FRIEDRICH-EBERT-ALLEE 140
(Street)
BONN 2M 53113
(City) (State) (Zip)
Relationship of Reporting Person(s) to Issuer
X Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
Deutsche Telekom Holding B.V.
(Last) (First) (Middle)
STATIONSPLEIN 8K
(Street)
MAASTRICHT P7 6221 BT
(City) (State) (Zip)
Relationship of Reporting Person(s) to Issuer
X Director X 10% Owner
Officer (give title below) Other (specify below)
Explanation of Responses:
1. The transactions reported on this Form 4 were effected pursuant to a 10b5-1 trading plan adopted on June 12, 2025.
2. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $235.42 to $236.38 per share. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
3. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $236.775 to $237.7695 per share. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
4. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $237.77 to $238.765 per share. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
5. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $238.77 to $239.76 per share. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
6. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $239.90 to $240.32 per share. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
7. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $234.83 to $235.82 per share. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
8. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $235.83 to $236.8266 per share. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
9. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $236.83 to $237.82 per share. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
10. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $237.84 to $238.80 per share. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
11. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $238.88 to $239.86 per share. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
12. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $239.88 to $240.61per share. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
Remarks:
Solely for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, and the rules and regulations promulgated thereunder ("Section 16"), each Reporting Person may be deemed to be a director-by-deputization by virtue of the fact that each of Timotheus Hoettges, Chief Executive Officer of DT, Dr. Christian P. Illek, Board Member for Finance of DT, Raphael Kubler, Senior Vice President of the Corporate Operating Office of DT and Managing Director of Deutsche Telekom Holding B.V., Thorsten Langheim, Board Member for USA and Group Development of DT, and Dominique Leroy, Board Member for Europe of DT, serve on the board of directors of the Issuer. In addition, Each of T-Mobile Global Zwischenholding GmbH, T-Mobile Global Holding GmbH and Deutsche Telekom Holding B.V. are wholly-owned subsidiaries of DT. Each Reporting Person disclaims beneficial ownership in the securities reported on this Form 4 except to the extent of its pecuniary interest, if any, therein, and this report shall not be deemed to be an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. 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.
/s/ Christoph Appel Attorney-in-fact 09/24/2025
/s/ Christoph Appel Attorney-in-fact 09/24/2025
/s/ Christoph Appel Attorney-in-fact 09/24/2025
/s/ Christoph Appel Attorney-in-fact 09/24/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR

FAQ

What did Deutsche Telekom report on Form 4 regarding TMUS?

The filing reports that Deutsche Telekom-related reporting persons sold a total of 128,852 shares of T-Mobile US common stock on 09/22/2025 and 09/23/2025 under a 10b5-1 plan.

Were the sales preplanned or opportunistic?

The transactions were executed pursuant to a documented 10b5-1 trading plan adopted on June 12, 2025, per the Form 4.

What price ranges were reported for the sales?

Weighted-average prices are shown and footnotes state transaction price ranges spanning approximately $235.42 to $240.61 per share across the reported lines.

How large are the reporting persons' remaining holdings after the sales?

Each reported line shows beneficial ownership of about 634.4 million shares following the reported transactions.

Who signed the Form 4?

The Form 4 was signed by Christoph Appel, Attorney-in-fact on behalf of the reporting persons on 09/24/2025.