[Form 4] DEUTSCHE TELEKOM AG Insider Trading Activity

Q: What did Deutsche Telekom (DTEGF) report in this Form 4?

Affiliates of Deutsche Telekom reported open‑market sales of T-Mobile US common stock over Oct 10, 13, and 14, 2025 under a Rule 10b5-1 plan .

Q: What trading plan governed the TMUS sales disclosed by DTEGF?

Sales were effected under a Rule 10b5-1 trading plan adopted on June 12, 2025 .

Q: What was the beneficial ownership after the reported TMUS sales?

Following the transactions, beneficial ownership was 627,782,047 shares , held directly.

Q: What was the transaction code used in the filing?

Each line shows code S , indicating open‑market or private sale of non‑derivative securities.

Q: Was the Form 4 filed by a single or multiple reporting persons?

It was filed by more than one reporting person , including subsidiaries noted in the remarks.

Q: What is the reporter’s relationship to T-Mobile US (TMUS)?

The reporters are listed as 10% owners and may be deemed directors by deputization per the remarks.

Filing Impact

(High)

Filing Sentiment

(Very Negative)

Form Type

Rhea-AI Filing Summary

Deutsche Telekom affiliates, identified as a 10% owner and deemed directors of T-Mobile US (TMUS), reported open‑market sales of TMUS common stock on October 10, 13, and 14, 2025 under a Rule 10b5-1 trading plan adopted on June 12, 2025.

Transactions were executed in multiple tranches at weighted average prices within disclosed ranges, for example $224.1039–$225.10 and $230.50–$231.02 per share, with the holder undertaking to provide full breakdowns upon request. Following the reported trades, beneficial ownership was 627,782,047 shares, held directly. The filing was made by more than one reporting person, including wholly owned subsidiaries referenced in the remarks, with each party disclaiming beneficial ownership beyond its pecuniary interest.

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10/14/2025 - 07:31 PM

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

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)
10/10/2025

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	10/10/2025		S⁽¹⁾		1,529	D	$226.5821⁽²⁾	627,973,796	D
Common Stock	10/10/2025		S⁽¹⁾		12,428	D	$227.387⁽³⁾	627,961,368	D
Common Stock	10/10/2025		S⁽¹⁾		41,578	D	$228.5745⁽⁴⁾	627,919,790	D
Common Stock	10/10/2025		S⁽¹⁾		7,083	D	$229.2544⁽⁵⁾	627,912,707	D
Common Stock	10/10/2025		S⁽¹⁾		1,466	D	$230.1107⁽⁶⁾	627,911,241	D
Common Stock	10/10/2025		S⁽¹⁾		342	D	$230.6214⁽⁷⁾	627,910,899	D
Common Stock	10/13/2025		S⁽¹⁾		26,178	D	$224.9602⁽⁸⁾	627,884,721	D
Common Stock	10/13/2025		S⁽¹⁾		12,464	D	$225.4907⁽⁹⁾	627,872,257	D
Common Stock	10/13/2025		S⁽¹⁾		4,717	D	$226.7535⁽¹⁰⁾	627,867,540	D
Common Stock	10/13/2025		S⁽¹⁾		15,510	D	$227.5873⁽¹¹⁾	627,852,030	D
Common Stock	10/13/2025		S⁽¹⁾		4,505	D	$228.5982⁽¹²⁾	627,847,525	D
Common Stock	10/13/2025		S⁽¹⁾		1,052	D	$229.411⁽¹³⁾	627,846,473	D
Common Stock	10/14/2025		S⁽¹⁾		7,588	D	$227.7125⁽¹⁴⁾	627,838,885	D
Common Stock	10/14/2025		S⁽¹⁾		16,302	D	$228.4429⁽¹⁵⁾	627,822,583	D
Common Stock	10/14/2025		S⁽¹⁾		39,730	D	$229.5297⁽¹⁶⁾	627,782,853	D
Common Stock	10/14/2025		S⁽¹⁾		806	D	$230.1342⁽¹⁷⁾	627,782,047	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

1. Name and Address of Reporting Person^*

DEUTSCHE TELEKOM AG

(Last)

(First)

(Middle)

FRIEDRICH-EBERT-ALLEE 140

(Street)

BONN

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

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

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

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 $225.9083 to $226.90 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 $226.9026 to $227.90 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 $227.9008 to $228.90 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 $228.9004 to $229.86 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.

6. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $229.9232 to $230.4715 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 $230.50 to $231.02 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 $224.1039 to $225.10 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 $225.1007 to $226.10 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 $226.11 to $227.10 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 $227.105 to $228.0926 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 $228.1039 to $229.0951 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.

13. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $229.1044 to $229.9157 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.

14. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $227.0582 to $228.0433 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.

15. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $228.0506 to $229.0429 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.

16. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $229.07 to $230.06 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.

17. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $230.07 to $230.20 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.

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	10/14/2025
	/s/ Christoph Appel Attorney-in-fact	10/14/2025
	/s/ Christoph Appel Attorney-in-fact	10/14/2025
	/s/ Christoph Appel Attorney-in-fact	10/14/2025
	** 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 (DTEGF) report in this Form 4?

Affiliates of Deutsche Telekom reported open‑market sales of T-Mobile US common stock over Oct 10, 13, and 14, 2025 under a Rule 10b5-1 plan.

What trading plan governed the TMUS sales disclosed by DTEGF?

Sales were effected under a Rule 10b5-1 trading plan adopted on June 12, 2025.

What was the beneficial ownership after the reported TMUS sales?

Following the transactions, beneficial ownership was 627,782,047 shares, held directly.

What were the price ranges for the TMUS share sales?

Weighted average prices reflect multiple trades within ranges, e.g., $224.1039–$225.10 and $230.50–$231.02 per share.

What was the transaction code used in the filing?

Each line shows code S, indicating open‑market or private sale of non‑derivative securities.

Was the Form 4 filed by a single or multiple reporting persons?

It was filed by more than one reporting person, including subsidiaries noted in the remarks.

What is the reporter’s relationship to T-Mobile US (TMUS)?

The reporters are listed as 10% owners and may be deemed directors by deputization per the remarks.

[Form 4] DEUTSCHE TELEKOM AG Insider Trading Activity

Insights

FAQ

What did Deutsche Telekom (DTEGF) report in this Form 4?

What trading plan governed the TMUS sales disclosed by DTEGF?

What was the beneficial ownership after the reported TMUS sales?

What were the price ranges for the TMUS share sales?

What was the transaction code used in the filing?

Was the Form 4 filed by a single or multiple reporting persons?

What is the reporter’s relationship to T-Mobile US (TMUS)?

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TMUS Latest News

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Trending News

[Form 4] DEUTSCHE TELEKOM AG Insider Trading Activity

Insights

FAQ

What did Deutsche Telekom (DTEGF) report in this Form 4?

What trading plan governed the TMUS sales disclosed by DTEGF?

What was the beneficial ownership after the reported TMUS sales?

What were the price ranges for the TMUS share sales?

What was the transaction code used in the filing?

Was the Form 4 filed by a single or multiple reporting persons?

What is the reporter’s relationship to T-Mobile US (TMUS)?

NASDAQ:TMUS

TMUS Rankings

TMUS Latest News

TMUS Latest SEC Filings

TMUS Stock Data