T-Mobile officer plans sale of 772 shares

Rhea-AI Filing Summary

T-Mobile US, Inc. (TMUS) reports that officer Daniel James Drobac, through Fidelity Brokerage Services LLC as broker, has notified of a proposed sale under Rule 144 of up to 772 shares of T-Mobile common stock, with a proposed sale date of September 10, 2026 on NASDAQ.

The shares relate to restricted stock vesting awards of 241 shares vesting on August 15, 2026 and 531 shares vesting on August 25, 2026, both described as compensation. No sales during the prior three months are listed in this notice.

Key Figures

Shares proposed to be sold: 772 shares Proposed sale value: $137,670.76 Restricted stock vesting (first tranche): 241 shares +2 more

5 metrics

Shares proposed to be sold 772 shares Common stock covered by the Rule 144 notice

Proposed sale value $137,670.76 Aggregate market value for the 772 TMUS shares

Restricted stock vesting (first tranche) 241 shares Restricted stock vesting on August 15, 2026 as compensation

Restricted stock vesting (second tranche) 531 shares Restricted stock vesting on August 25, 2026 as compensation

Proposed sale date September 10, 2026 Date associated with planned NASDAQ sale of TMUS shares

Key Terms

Rule 144, restricted stock vesting, attorney-in-fact, compensation

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

restricted stock vesting financial

"Common | 08/15/2026 | Restricted Stock Vesting | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

attorney-in-fact regulatory

"as attorney-in-fact for Daniel Drobac"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

compensation financial

"241 | 08/15/2026 | Compensation"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Form 144 filing for TMUS disclose about planned share sales?

The filing states that officer Daniel James Drobac plans to sell up to 772 shares of T-Mobile US, Inc. common stock under Rule 144 through Fidelity Brokerage Services LLC, with a proposed sale date of September 10, 2026 on NASDAQ.

How many TMUS shares are covered by Daniel Drobac’s Rule 144 notice?

The notice covers a proposed sale of 772 shares of T-Mobile US, Inc. common stock, with an indicated aggregate market value of $137,670.76 for the securities to be sold.

What is the source of the TMUS shares to be sold under this Form 144?

The shares are tied to restricted stock vesting awards, including 241 shares vesting on August 15, 2026 and 531 shares vesting on August 25, 2026, both described in the filing as compensation.

Who is executing the planned TMUS share sale for Daniel Drobac?

The filing lists Fidelity Brokerage Services LLC as the broker for the TMUS common stock, with the Form 144 signed by Daniel Tucci as a duly authorized representative of Fidelity, acting as attorney-in-fact for Daniel Drobac.

Does the TMUS Form 144 show any prior share sales in the last three months?

No. In the section for Securities Sold During The Past 3 Months, the Form 144 does not list any prior sales for Daniel Drobac during that period.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/10/2026 - 10:03 AM EDT Accepted by SEC EDGAR 09/10/2026 - 10:02 AM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002066499
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	T-Mobile US, Inc.
SEC File Number	001-33409
Address of Issuer	12920 SE 38TH STREET BELLEVUE WASHINGTON 98006
Phone	800-318-9270
Name of Person for Whose Account the Securities are To Be Sold	Drobac Daniel James
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	772	137670.76	1072671613	09/10/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	08/15/2026	Restricted Stock Vesting	Issuer			241	08/15/2026	Compensation
Common	08/25/2026	Restricted Stock Vesting	Issuer			531	08/25/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	09/10/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	06/11/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Daniel Drobac
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)