T-Mobile (NASDAQ: TMUS) streamlines guarantees on $10B credit line

T-Mobile (NASDAQ: TMUS) streamlines guarantees on $10B credit line

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Q: Who signed the March 31, 2026 report for T-Mobile US, Inc.?

8-K Event Classification

Key Figures

Key Terms

What change did T-Mobile (TMUS) report regarding its $10 billion credit facility?

Which entities now guarantee T-Mobile USA, Inc.’s main debt after the March 31, 2026 change?

How did the March 31, 2026 action affect TMUS senior notes outstanding?

Did T-Mobile (TMUS) also change guarantees on other debt facilities?

Who signed the March 31, 2026 report for T-Mobile US, Inc.?

Positive

The report was signed on behalf of T-Mobile US, Inc. by Peter Osvaldik , who is identified as the company’s Chief Financial Officer . His signature reflects the company’s authorization of the disclosure describing the changes to subsidiary guarantees and related debt arrangements.

Filing Impact

(Moderate)

Filing Sentiment

(Neutral)

Form Type

8-K

T-Mobile US, Inc. reports that on March 31, 2026, its subsidiary T-Mobile USA, Inc. (TMUSA) released guarantees previously provided by certain subsidiaries under TMUSA’s $10 billion revolving credit agreement after repaying legacy debt. This triggered corresponding releases under indentures dated April 28, 2013, April 9, 2020 and September 15, 2022 that govern TMUSA’s outstanding senior notes.

After these changes, TMUSA remains the issuer or borrower, and T-Mobile US, Inc., Sprint LLC, Sprint Capital Corporation and Sprint Communications LLC serve as guarantors under the revolving credit agreement and senior notes. Similar subsidiary guarantor releases were also implemented for other TMUSA debt facilities, including export credit agency facilities and its unsecured short-term commercial paper program, simplifying the group’s guarantee structure.

Item 8.01 — Other Events

1 item

Item 8.01 Other Events Other

Voluntary disclosure of events the company deems important to shareholders but not covered by other items.

Revolving credit capacity: $10 billion 3.550% Senior Notes due 2029: 3.550% 3.700% Senior Notes due 2032: 3.700% +2 more

5 metrics

Revolving credit capacity $10 billion Size of TMUSA revolving credit agreement affected by guarantor releases

3.550% Senior Notes due 2029 3.550% Coupon rate on TMUS Senior Notes due 2029 listed on NASDAQ

3.700% Senior Notes due 2032 3.700% Coupon rate on TMUS Senior Notes due 2032 listed on NASDAQ

6.250% Senior Notes due 2069 6.250% Coupon rate on TMUSL Senior Notes due 2069 listed on NASDAQ

5.500% Senior Notes due March 2070 5.500% Coupon rate on TMUSZ Senior Notes due March 2070 listed on NASDAQ

revolving credit agreement, senior notes, indentures, export credit agency facilities, +1 more

5 terms

revolving credit agreement financial

"TMUSA elected to release the guarantees of certain subsidiaries under its $10 billion revolving credit agreement"

A revolving credit agreement is a flexible loan arrangement where a borrower can borrow, repay, and borrow again up to a set limit, similar to a credit card. It matters because it gives businesses or individuals quick access to funds whenever needed, helping manage cash flow and cover expenses without applying for a new loan each time.

senior notes financial

"governing its outstanding senior notes"

Senior notes are a type of loan that a company borrows from investors, promising to pay it back with interest. They are called "senior" because in case the company faces financial trouble, these lenders are paid back before others. This makes senior notes safer for investors compared to other types of loans or bonds.

indentures financial

"under the indentures dated April 28, 2013, April 9, 2020 and September 15, 2022"

Indentures are the written contracts that set out the terms and protections for a debt issue, such as a bond or note, including payment schedule, interest rate, collateral, and what happens if the borrower misses payments. Think of it like the rulebook and safety features for a loan that both the borrower and lenders agree to; investors use it to assess their rights, recoveries in trouble, and limits on the issuer’s future actions.

export credit agency facilities financial

"including its export credit agency facilities and unsecured short-term commercial paper program"

commercial paper program financial

"unsecured short-term commercial paper program"

A commercial paper program is a formal way a company issues very short-term IOUs to raise quick cash, typically for days to months, without using a bank loan. Investors care because it shows how the company manages short-term funding and how trustworthy it appears—like watching whether someone keeps using and repaying a credit card; frequent use or higher costs can signal cash strain, while smooth issuance suggests healthy liquidity.

Understanding 8-K Material Events →

03/31/2026 - 04:35 PM

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): March 31, 2026

LOGO

T-MOBILE US, INC.

(Exact Name of Registrant as Specified in its Charter)


Delaware	1-33409	20-0836269
(State or other jurisdiction of incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)


12920 SE 38th Street
Bellevue, Washington		98006-1350
(Address of principal executive offices)		(Zip Code)

Registrant’s telephone number, including area code: (425) 378-4000

(Former Name or Former Address, if Changed Since Last Report):

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:


Title of each class	Trading Symbol	Name of each exchange on which registered
Common Stock, par value $0.00001 per share	TMUS	The NASDAQ Stock Market LLC
3.550% Senior Notes due 2029	TMUS29	The NASDAQ Stock Market LLC
3.700% Senior Notes due 2032	TMUS32	The NASDAQ Stock Market LLC
3.150% Senior Notes due 2032	TMUS32A	The NASDAQ Stock Market LLC
3.200% Senior Notes due 2032	TMUS32B	The NASDAQ Stock Market LLC
3.625% Senior Notes due 2035	TMUS35	The NASDAQ Stock Market LLC
3.850% Senior Notes due 2036	TMUS36	The NASDAQ Stock Market LLC
3.900% Senior Notes due 2038	TMUS38	The NASDAQ Stock Market LLC
3.500% Senior Notes due 2037	TMUS37	The NASDAQ Stock Market LLC
3.800% Senior Notes due 2045	TMUS45	The NASDAQ Stock Market LLC
6.250% Senior Notes due 2069	TMUSL	The NASDAQ Stock Market LLC
5.500% Senior Notes due March 2070	TMUSZ	The NASDAQ Stock Market LLC
5.500% Senior Notes due June 2070	TMUSI	The NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01.

Other Events.

On March 31, 2026, following the previous repayment of certain legacy indebtedness, T-Mobile USA, Inc. (“TMUSA”), a wholly-owned subsidiary of T-Mobile US, Inc. (“TMUS”), elected to release the guarantees of certain subsidiaries under its $10 billion revolving credit agreement pursuant to the terms thereof, resulting in a corresponding release under the indentures dated April 28, 2013, April 9, 2020 and September 15, 2022, governing its outstanding senior notes. As a result, following the release, the obligors under TMUSA’s revolving credit agreement and outstanding senior notes now consist of TMUSA, as issuer or borrower, and each of TMUS, Sprint LLC, Sprint Capital Corporation and Sprint Communications LLC, as guarantors. Corresponding subsidiary guarantor releases were also effected under other TMUSA debt facilities, including its export credit agency facilities and unsecured short-term commercial paper program.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Source: View Original Filing on SEC EDGAR

T-Mobile disclosed that T-Mobile USA, Inc. released guarantees from certain subsidiaries under its $10 billion revolving credit agreement. The change followed repayment of legacy indebtedness and streamlined which entities guarantee TMUSA’s main borrowing arrangements and related senior notes.

After the change, the obligors are T-Mobile USA, Inc. as issuer or borrower and T-Mobile US, Inc., Sprint LLC, Sprint Capital Corporation and Sprint Communications LLC as guarantors. This standardized the key guarantor group across the revolving credit facility and outstanding senior notes.

Releasing certain subsidiary guarantees under the credit agreement caused corresponding releases under indentures dated April 28, 2013, April 9, 2020 and September 15, 2022. Those indentures govern TMUSA’s outstanding senior notes, so the guarantor structure for those notes now mirrors the revised core guarantor group.

Yes. T-Mobile USA, Inc. implemented corresponding subsidiary guarantor releases under other debt arrangements, including export credit agency facilities and its unsecured short-term commercial paper program. This move aligned guarantee structures across multiple funding sources within the corporate group.

The report was signed on behalf of T-Mobile US, Inc. by Peter Osvaldik, who is identified as the company’s Chief Financial Officer. His signature reflects the company’s authorization of the disclosure describing the changes to subsidiary guarantees and related debt arrangements.

4 documents

T-MOBILE US, INC.

March 31, 2026

/s/ Peter Osvaldik

Name: Peter Osvaldik

Title: Chief Financial Officer