T-Mobile US, Inc. (TMUS) director sells 3,291 shares at $221.10

Rhea-AI Filing Summary

T-Mobile US, Inc. director Srikant M. Datar reported an open-market sale of 3,291 shares of common stock on March 4, 2026 at a weighted average price of $221.10 per share, with individual trade prices ranging from $221.00 to $221.25.

After this transaction, he held 1,038 T-Mobile shares directly. He also had indirect ownership through three entities: Legacycap LLC with 11,843 shares, Safari LLC with 11,724 shares, and Datar Investment LLC with 8,200 shares, where he shares voting and investment power.

Insider Trade Summary

Net Seller: 3,291 shares ($727,640)

Net Sell 4 txns

Insider Datar Srikant M.

Role Director

Sold 3,291 shs ($728K)

Type	Security	Shares	Price	Value
Sale	Common Stock	3,291	$221.10	$728K
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 1,038 shares (Direct); Common Stock — 11,843 shares (Indirect, By Legacycap LLC)

Footnotes (1)

1. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $221.00 to $221.25. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the range set forth on this footnote. Mr. Datar is a co-manager of Datar Investment LLC, Safari LLC, and Legacycap LLC and has shared voting and investment power over the securities held by these entities.

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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Datar Srikant M.

(Last) (First) (Middle)

C/O T-MOBILE US, INC.

12920 SE 38TH STREET

(Street)

BELLEVUE WA 98006

(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		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
03/04/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	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	03/04/2026		S		3,291	D	$221.1(1)	1,038	D
Common Stock								11,843	I	By Legacycap LLC(2)
Common Stock								11,724	I	By Safari LLC(2)
Common Stock								8,200	I	By Datar Investment LLC(2)

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

Explanation of Responses:

1. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $221.00 to $221.25. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the range set forth on this footnote.

2. Mr. Datar is a co-manager of Datar Investment LLC, Safari LLC, and Legacycap LLC and has shared voting and investment power over the securities held by these entities.

Remarks:

	/s/ Frederick Williams, Attorney-in-Fact	03/05/2026
	** 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.

FAQ

What insider transaction did T-Mobile (TMUS) director Srikant M. Datar report?

Srikant M. Datar reported selling 3,291 shares of T-Mobile US, Inc. common stock in an open-market transaction. The sale occurred on March 4, 2026, and was reported on a Form 4 insider trading filing with the Securities and Exchange Commission.

At what price did the T-Mobile (TMUS) director sell his 3,291 shares?

The shares were sold at a weighted average price of $221.10 per share. According to the filing, individual trades occurred at prices ranging from $221.00 to $221.25, with full trade-by-trade details available upon request from the reporting person.

How many T-Mobile (TMUS) shares does Srikant M. Datar own directly after the sale?

After the reported sale, Srikant M. Datar directly owned 1,038 shares of T-Mobile US, Inc. common stock. This figure reflects his remaining direct holdings following the 3,291-share open-market disposition on March 4, 2026, as disclosed in the Form 4 filing.

What indirect T-Mobile (TMUS) holdings are associated with entities linked to Srikant M. Datar?

The filing shows indirect holdings through three entities: Legacycap LLC with 11,843 shares, Safari LLC with 11,724 shares, and Datar Investment LLC with 8,200 shares. Datar is a co-manager of these entities and shares voting and investment power over their securities.

What does the Form 4 footnote reveal about the T-Mobile (TMUS) share sale prices?

The footnote states that the reported $221.10 is a weighted average sale price for multiple trades. These trades were executed at individual prices between $221.00 and $221.25, and detailed share counts at each price level are available from the reporting person upon request.

What role does Srikant M. Datar hold at T-Mobile (TMUS) according to the Form 4?

The Form 4 identifies Srikant M. Datar as a director of T-Mobile US, Inc. This means he serves on the company’s board of directors and is required to report his transactions in company securities to the Securities and Exchange Commission.