T-Mobile insider proposes $5.79M sale after restricted stock vesting

Rhea-AI Filing Summary

T-Mobile US, Inc. (TMUS) Form 144 reports a proposed sale of 22,500 common shares to be executed through Fidelity Brokerage Services on 08/19/2025 with an aggregate market value listed as $5,786,423.64. The filing shows the shares were acquired on 04/01/2025 by restricted stock vesting and paid as compensation. The issuer’s total shares outstanding are listed as 1,125,419,038. The filer also disclosed three sales of 22,500 shares each during the past three months with gross proceeds of $5,498,998.46, $5,422,210.91, and $5,750,445.91 on 05/19/2025, 05/20/2025, and 08/18/2025 respectively. The signer represents no undisclosed material adverse information and notes potential reliance on a trading plan if applicable.

Positive

• Securities were acquired as compensation through restricted stock vesting on 04/01/2025, indicating alignment via equity-based pay
• Filing includes full transaction details (broker, dates, amounts), meeting Rule 144 disclosure requirements

Negative

• Proposed sale equals $5,786,423.64, a sizable insider sale that may attract investor attention
• No date of any 10b5-1 plan adoption is provided in the visible remarks, so planned-trading status is not confirmed in this filing

Insights

Financial Analyst

TL;DR: Routine insider sale following restricted stock vesting; value is sizable but consistent with compensation-related disposals.

The filing documents a sale notice for 22,500 common shares valued at about $5.79M to be sold on 08/19/2025 and confirms those shares were acquired via restricted stock vesting on 04/01/2025 and paid as compensation. The filer also reported three recent sales of identical lot sizes and material gross proceeds. From an analytical perspective this appears to be scheduled/compensation-driven liquidity rather than an extraordinary corporate event. Impact on outstanding float is immaterial given the issuer shows ~1.125 billion shares outstanding.

Corporate Governance Expert

TL;DR: The disclosure meets Rule 144 requirements and signals standard insider liquidity; watch for any disclosed 10b5-1 plan dates.

The form provides required details: acquisition date, nature of acquisition (restricted stock vesting), broker, size, and past-three-month sales. The signer certifies absence of undisclosed material information and references Rule 10b5-1 reliance possibility without a stated adoption date. Governance-wise, this is a transparent filing; the absence of a trading-plan adoption date in the form means investors cannot confirm preplanned timing from this document alone.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

Relationship to Issuer

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	22500	5786423.64	1125419038	08/19/2025	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	04/01/2025	Restricted Stock Vesting	Issuer			22500	04/01/2025	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
G M. Sievert 12920 SE 38th Street Bellevue WA 98006-1350	Common	05/19/2025	22500	5498998.46
G M. Sievert 12920 SE 38th Street Bellevue WA 98006-1350	Common	05/20/2025	22500	5422210.91
G M. Sievert 12920 SE 38th Street Bellevue WA 98006-1350	Common	08/18/2025	22500	5750445.91

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the TMUS Form 144 disclose about the proposed sale?

The form discloses a proposed sale of 22,500 common shares through Fidelity on 08/19/2025 with an aggregate market value of $5,786,423.64.

How were the shares acquired according to the filing?

The filing states the shares were acquired on 04/01/2025 via restricted stock vesting and paid as compensation.

Has the filer sold similar amounts recently?

Yes; the filer reported three sales of 22,500 shares each on 05/19/2025, 05/20/2025, and 08/18/2025 with gross proceeds of $5,498,998.46, $5,422,210.91, and $5,750,445.91 respectively.

How many TMUS shares are outstanding per the filing?

The filing lists 1,125,419,038 shares outstanding.

Does the filing indicate reliance on a 10b5-1 trading plan?

The form references the possibility of a 10b5-1 plan in the remarks but does not provide a plan adoption date in the visible content.