T-Mobile (TMUS) Form 4: Tax Withholding on Vested RSUs Reported

Rhea-AI Filing Summary

Daniel James Drobac, identified as VP & Chief Accounting Officer of T-Mobile US, Inc. (TMUS), reported a transaction dated 08/25/2025. The Form 4 shows transaction code F representing shares withheld to satisfy tax withholding on the vesting of restricted stock units; the filing explicitly notes this was not an open-market transaction. The reported price per share is $251.74 and the number shown as beneficially owned following the transaction is 32,688.49 shares. The Form 4 was signed by an attorney-in-fact, Frederick Williams, on 08/26/2025.

Insights

Securities Analyst

TL;DR: Routine tax-withholding on vested RSUs; no open-market disposition reported.

The filing documents an internal-settlement action where shares were withheld to satisfy tax obligations tied to vested restricted stock units. The transaction is coded F and explicitly described as "not an open market transaction", indicating this was an administrative withholding rather than a voluntary sale. The reported price per share is $251.74 and the beneficial ownership after the transaction is listed as 32,688.49 shares. For investors, this type of Form 4 typically reflects compensation mechanics rather than a change in insider sentiment.

Corporate Governance Expert

TL;DR: Administrative RSU tax withholding recorded; signature executed by attorney-in-fact.

The disclosure identifies the reporting person as an officer (VP & Chief Accounting Officer) and records withholding of shares for tax purposes upon RSU vesting. The form includes an explicit explanatory remark stating the shares were withheld to pay taxes and were not an open market transaction. The submission is signed by an attorney-in-fact, Frederick Williams, dated 08/26/2025, which satisfies the signature requirement for Form 4 filings when delegated.

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^*

Drobac Daniel James

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP & Chief Accounting Officer

3. Date of Earliest Transaction (Month/Day/Year)
08/25/2025

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	08/25/2025		F		215.105(1)	D	$251.74	32,688.49	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

Explanation of Responses:

1. Represents shares withheld for payment of taxes on vesting of restricted stock units; not an open market transaction.

Remarks:

	/s/ Frederick Williams, Attorney-in-Fact	08/26/2025
	** 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.

FAQ

What transaction did TMUS insider Daniel J. Drobac report on Form 4?

The Form 4 reports shares were withheld to satisfy taxes on vested restricted stock units; the filing states this was not an open-market transaction.

When did the reported transaction occur for TMUS Form 4?

The transaction date is 08/25/2025, and the Form 4 signature by attorney-in-fact is dated 08/26/2025.

How many shares does the Form 4 show as beneficially owned after the transaction?

The Form 4 lists 32,688.49 shares as the amount beneficially owned following the reported transaction.

What price per share is reported on the Form 4?

The price reported on the Form 4 is $251.74 per share.

Who signed the Form 4 for Daniel J. Drobac?

The Form 4 is signed by /s/ Frederick Williams, Attorney-in-Fact with the date 08/26/2025.