T-Mobile (NASDAQ: TMUS) CAO uses shares to settle RSU taxes

Rhea-AI Filing Summary

T-Mobile US, Inc. (TMUS) reported an insider equity-related transaction by Daniel James Drobac, VP & Chief Accounting Officer. On 2026-08-15, 87.677 shares of common stock were withheld at $182.61 per share to pay taxes upon vesting of restricted stock units, explicitly noted as not an open market transaction. Following this tax-withholding disposition, Drobac directly held 36,060.962 shares of T-Mobile common stock.

Insider Trade Summary

Net Seller: 87.677 shares

Net Sell 1 txn

Insider Drobac Daniel James

Role VP & Chief Accounting Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1	87.677	$182.61	$16K

Holdings After Transaction: Common Stock — 36,060.962 shares (Direct)

Footnotes (1)

1. F1. Represents shares withheld for payment of taxes on vesting of restricted stock units; not an open market transaction.

Key Figures

Shares withheld for taxes: 87.677 shares Per-share value for tax withholding: $182.61 per share Shares owned after transaction: 36,060.962 shares

3 metrics

Shares withheld for taxes 87.677 shares Common stock withheld on 2026-08-15 to pay taxes on RSU vesting

Per-share value for tax withholding $182.61 per share Value applied to the 87.677 shares withheld for tax liability

Shares owned after transaction 36,060.962 shares Direct TMUS common stock holdings after the tax-withholding disposition

Key Terms

restricted stock units, withheld for payment of taxes, open market transaction

3 terms

restricted stock units financial

"payment of taxes on vesting of restricted stock units; not an open market"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

withheld for payment of taxes financial

"Represents shares withheld for payment of taxes on vesting"

open market transaction financial

"not an open market transaction"

An open market transaction is a buy or sell of publicly traded securities executed on an exchange or other public trading venue where many buyers and sellers can participate. It matters to investors because these trades change the visible supply and demand for a stock—like shoppers moving prices in a busy marketplace—affecting share price, liquidity (how easily you can trade), and sometimes the balance of ownership.

FAQ

What insider transaction did TMUS officer Daniel James Drobac report?

Daniel James Drobac reported 87.677 TMUS shares withheld on 2026-08-15 to cover taxes on vesting restricted stock units. This was a Code F tax-withholding disposition, not an open market trade, and reflects routine equity compensation mechanics.

Was the August 15, 2026 TMUS Form 4 a market sale of shares?

No. The filing states the 87.677 shares were withheld for tax payment on RSU vesting and was not an open market transaction. It reflects administrative tax settlement rather than a discretionary sale into the market.

What price was used for the TMUS tax-withholding shares on August 15, 2026?

The tax-withholding disposition used a value of $182.61 per TMUS share for 87.677 shares. This price is used to determine the tax payment value for the vesting restricted stock units, not to indicate an exchange-traded sale price.

How many TMUS shares does Daniel James Drobac hold after this Form 4 transaction?

After the August 15, 2026 transaction, Daniel James Drobac directly held 36,060.962 TMUS common shares. This figure reflects his reported direct ownership position after withholding 87.677 shares to pay taxes on restricted stock unit vesting.

What does transaction code F mean in the TMUS Form 4 for Daniel James Drobac?

Code F in this Form 4 indicates payment of tax liability by delivering or withholding securities. The filing clarifies the 87.677 TMUS shares were withheld for taxes on RSU vesting and not sold in the open market.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/18/2026 - 04:46 PM Accepted by SEC EDGAR 08/18/2026 - 04:46 PM Learn about SEC filing dates

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 WASHINGTON 98006

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/15/2026

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

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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

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	08/15/2026		F		87.677(1)	D	$182.61	36,060.962	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	08/18/2026
	** 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.
* Form 4: SEC 1474 (03-26)