T-Mobile US, Inc. SEC filings TMUS

T-Mobile US, Inc. has 1,001 filings in SEC EDGAR's recent list, going back to Mar 12, 2020. Its latest annual report, Form ARS, was filed on Apr 27, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 28, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 28, 2026 (results of operations). The company's fiscal year ends on December 31.

T-Mobile US, Inc. SEC filings
Form Description Filed Period
IRANNOTICE Tmus iran notice Oct 28, 2026 —
10-Q Quarterly report Oct 28, 2026 Sep 30, 2026
8-K Current report
Results of operations
Oct 28, 2026 Oct 28, 2026
8-K Current report
Officer or director change
Oct 28, 2026 Oct 26, 2026
8-K Current report
Officer or director change, Regulation FD disclosure
Sep 3, 2026 Sep 1, 2026
IRANNOTICE Tmus iran notice Jul 23, 2026 —
10-Q Quarterly report Jul 23, 2026 Jun 30, 2026
8-K Current report
Results of operations
Jul 23, 2026 Jul 23, 2026
8-K Current report
Officer or director change, Regulation FD disclosure
Jul 7, 2026 Jul 2, 2026
8-K Current report
Shareholder vote results
Jun 18, 2026 Jun 16, 2026
SD Specialized disclosure (conflict minerals) May 15, 2026 —
S-3ASR Automatic shelf registration Apr 30, 2026 —
IRANNOTICE Tmus iran notice Apr 28, 2026 —
10-Q Quarterly report Apr 28, 2026 Mar 31, 2026
8-K Current report
Results of operations
Apr 28, 2026 Apr 28, 2026
ARS Annual report to shareholders Apr 27, 2026 Dec 31, 2025
DEFA14A Additional proxy material Apr 27, 2026 —
DEF 14A Proxy statement Apr 27, 2026 Jun 16, 2026
8-K Current report
Other events
Apr 23, 2026 Apr 23, 2026
8-K Current report
Other events
Mar 31, 2026 Mar 31, 2026
8-K Current report
Officer or director change
Mar 27, 2026 Mar 26, 2026
CERT Filing Feb 25, 2026 —
8-A12B Filing Feb 19, 2026 —
8-K Current report
Other events
Feb 19, 2026 Feb 19, 2026
424B5 Prospectus supplement Feb 17, 2026 —
FWP Free writing prospectus Feb 12, 2026 —
424B5 Prospectus supplement Feb 12, 2026 —
IRANNOTICE Tmus iran notice Feb 11, 2026 —
10-K Annual report Feb 11, 2026 Dec 31, 2025
8-K Current report
Regulation FD disclosure
Feb 11, 2026 Feb 11, 2026
8-K Current report
Results of operations
Feb 11, 2026 Feb 11, 2026
8-K Current report
Other events
Jan 12, 2026 Jan 12, 2026
424B5 Prospectus supplement Jan 9, 2026 —
FWP Free writing prospectus Jan 8, 2026 —
424B5 Prospectus supplement Jan 7, 2026 —
POSASR Filing Jan 7, 2026 —
8-K Current report
Material agreement, New debt
Jan 6, 2026 Jan 5, 2026
8-K Current report
Other events
Dec 11, 2025 Dec 11, 2025
8-K Current report
Officer or director change
Dec 9, 2025 Dec 4, 2025
IRANNOTICE Tmus iran notice Oct 23, 2025 —
10-Q Quarterly report Oct 23, 2025 Sep 30, 2025
8-K Current report
Results of operations
Oct 23, 2025 Oct 23, 2025
8-K Current report
Other events
Oct 9, 2025 Oct 9, 2025
424B5 Prospectus supplement Oct 8, 2025 —
FWP Free writing prospectus Oct 6, 2025 —
424B5 Prospectus supplement Oct 6, 2025 —
POSASR Filing Oct 6, 2025 —
8-K Current report
Officer or director change
Sep 24, 2025 Sep 19, 2025
8-K Current report
Officer or director change, Regulation FD disclosure
Sep 22, 2025 Sep 19, 2025
8-K Current report
Regulation FD disclosure
Sep 4, 2025 Sep 4, 2025
8-K Current report
Officer or director change
Aug 25, 2025 Aug 22, 2025
CERT Filing Aug 5, 2025 —
8-A12B Filing Aug 5, 2025 —
8-K Current report
Other events
Aug 5, 2025 Aug 5, 2025
IRANNOTICE Tmus iran notice Jul 23, 2025 —
10-Q Quarterly report Jul 23, 2025 Jun 30, 2025
8-K Current report
Results of operations
Jul 23, 2025 Jul 23, 2025
8-K Current report
Other events
Jul 2, 2025 Jul 2, 2025
8-K Current report
Other events
Jun 16, 2025 Jun 16, 2025
8-K Current report
Shareholder vote results
Jun 10, 2025 Jun 6, 2025
424B3 Prospectus May 23, 2025 —
EFFECT Filing May 22, 2025 —
CORRESP Letter to the SEC May 20, 2025 —
S-4 Registration for a merger or exchange May 20, 2025 —
SD Specialized disclosure (conflict minerals) May 9, 2025 —
IRANNOTICE Tmus iran notice Apr 24, 2025 —
10-Q Quarterly report Apr 24, 2025 Mar 31, 2025
8-K Current report
Results of operations
Apr 24, 2025 Apr 24, 2025
ARS Annual report to shareholders Apr 18, 2025 Dec 31, 2024
DEFA14A Additional proxy material Apr 18, 2025 —
DEF 14A Proxy statement Apr 18, 2025 Jun 6, 2025
8-K Current report
Officer or director change
Apr 11, 2025 Apr 8, 2025
UPLOAD Letter from the SEC Apr 8, 2025 —
8-K Current report
Officer or director change
Apr 3, 2025 Apr 1, 2025
DRS Filing Apr 1, 2025 —
8-K Current report
Other events
Mar 27, 2025 Mar 27, 2025
424B5 Prospectus supplement Mar 26, 2025 —
FWP Free writing prospectus Mar 25, 2025 —
424B5 Prospectus supplement Mar 24, 2025 —
POSASR Filing Mar 24, 2025 —
8-K Current report
Officer or director change
Mar 21, 2025 Mar 17, 2025
8-K Current report
Officer or director change
Feb 21, 2025 Feb 18, 2025
CERT Tmus_20250220 Feb 21, 2025 —
8-A12B Filing Feb 18, 2025 —
8-K Current report
Other events
Feb 11, 2025 Feb 11, 2025
424B5 Prospectus supplement Feb 6, 2025 —
FWP Free writing prospectus Feb 4, 2025 —
424B5 Prospectus supplement Feb 4, 2025 —
POSASR Filing Feb 4, 2025 —
IRANNOTICE Tmus iran notice Jan 31, 2025 —
10-K Annual report Jan 31, 2025 Dec 31, 2024
8-K Current report
Results of operations
Jan 29, 2025 Jan 29, 2025
8-K Current report
Officer or director change, Regulation FD disclosure
Jan 27, 2025 Jan 27, 2025
8-K Current report
Regulation FD disclosure, Other events
Dec 13, 2024 Dec 13, 2024
8-K Current report
Regulation FD disclosure
Dec 10, 2024 Dec 9, 2024
IRANNOTICE Iran notice Oct 23, 2024 —
10-Q Quarterly report Oct 23, 2024 Sep 30, 2024
8-K Current report
Results of operations
Oct 23, 2024 Oct 23, 2024
8-K Current report
Other events
Sep 26, 2024 Sep 26, 2024
424B5 Prospectus supplement Sep 25, 2024 —
FWP Free writing prospectus Sep 24, 2024 —
424B5 Prospectus supplement Sep 23, 2024 —
POSASR Filing Sep 23, 2024 —
8-K Current report
Regulation FD disclosure
Sep 18, 2024 Sep 18, 2024
8-K Current report
Officer or director change
Sep 13, 2024 Sep 12, 2024
IRANNOTICE Tmus iran notice Jul 31, 2024 —
10-Q Quarterly report Jul 31, 2024 Jun 30, 2024
8-K Current report
Results of operations
Jul 31, 2024 Jul 31, 2024
8-K Current report
Regulation FD disclosure
Jul 24, 2024 Jul 24, 2024
8-K Current report
Shareholder vote results
Jun 14, 2024 Jun 12, 2024
CERT Filing May 28, 2024 —
SD Specialized disclosure (conflict minerals) May 24, 2024 —
8-A12B Filing May 8, 2024 —
8-K Current report
Other events
May 8, 2024 May 8, 2024
S-3ASR Automatic shelf registration May 6, 2024 —
424B5 Prospectus supplement May 2, 2024 —
FWP Free writing prospectus Apr 30, 2024 —
424B5 Prospectus supplement Apr 30, 2024 —
ARS Annual report to shareholders Apr 26, 2024 Dec 31, 2023
DEFA14A Additional proxy material Apr 26, 2024 —
DEF 14A Proxy statement Apr 26, 2024 Jun 12, 2024
IRANNOTICE Tmus iran notice Apr 26, 2024 —
10-Q Quarterly report Apr 26, 2024 Mar 31, 2024
8-K Current report
Results of operations
Apr 25, 2024 Apr 25, 2024
IRANNOTICE Filing Feb 2, 2024 —
10-K Annual report Feb 2, 2024 Dec 31, 2023
8-K Current report
Results of operations
Jan 25, 2024 Jan 25, 2024
8-K Current report
Other events
Jan 12, 2024 Jan 12, 2024
424B5 Prospectus supplement Jan 11, 2024 —
FWP Free writing prospectus Jan 9, 2024 —
424B5 Prospectus supplement Jan 9, 2024 —
8-K Current report
Other events
Dec 26, 2023 Dec 22, 2023
IRANNOTICE Tmus iran notice Oct 25, 2023 —
10-Q Quarterly report Oct 25, 2023 Sep 30, 2023
8-K Current report
Results of operations
Oct 25, 2023 Oct 25, 2023
8-K Current report
Other events
Sep 25, 2023 Sep 25, 2023
8-K Current report
Other events
Sep 14, 2023 Sep 14, 2023
424B5 Prospectus supplement Sep 13, 2023 —
8-K Current report
Material agreement
Sep 12, 2023 Sep 12, 2023
FWP Free writing prospectus Sep 12, 2023 —
424B5 Prospectus supplement Sep 11, 2023 —
POSASR Filing Sep 11, 2023 —
8-K Current report
Officer or director change
Sep 8, 2023 Sep 8, 2023
8-K Current report
Other events
Sep 6, 2023 Sep 6, 2023
8-K Current report
Regulation FD disclosure
Aug 24, 2023 Aug 24, 2023
UPLOAD Letter from the SEC Aug 17, 2023 —
CORRESP Letter to the SEC Aug 7, 2023 —
IRANNOTICE Tmus iran notice Jul 27, 2023 —
10-Q Quarterly report Jul 27, 2023 Jun 30, 2023
8-K Current report
Results of operations
Jul 27, 2023 Jul 27, 2023
8-K Current report
Officer or director change, Regulation FD disclosure
Jul 20, 2023 Jul 18, 2023
CORRESP Letter to the SEC Jul 14, 2023 —
8-K Current report
Officer or director change
Jul 11, 2023 Jul 5, 2023
CORRESP Letter to the SEC Jul 10, 2023 —
8-K Current report
Officer or director change, Shareholder vote results
Jun 21, 2023 Jun 16, 2023
S-8 Employee stock plan registration Jun 16, 2023 —
CORRESP Letter to the SEC Jun 9, 2023 —
UPLOAD Letter from the SEC Jun 8, 2023 —
SD Specialized disclosure (conflict minerals) May 30, 2023 —
8-K Current report
Other events
May 11, 2023 May 11, 2023
424B5 Prospectus supplement May 10, 2023 —
CORRESP Letter to the SEC May 9, 2023 —
FWP Free writing prospectus May 9, 2023 —
424B5 Prospectus supplement May 8, 2023 —
S-3ASR Automatic shelf registration May 1, 2023 —
S-3ASR Automatic shelf registration May 1, 2023 —
8-K Current report
Other events
May 1, 2023 May 1, 2023
ARS Annual report to shareholders Apr 28, 2023 Dec 31, 2022
DEFA14A Additional proxy material Apr 28, 2023 —
DEF 14A Proxy statement Apr 28, 2023 —
IRANNOTICE Tmus iran notice Apr 27, 2023 —
10-Q Quarterly report Apr 27, 2023 Mar 31, 2023
8-K Current report
Results of operations
Apr 27, 2023 Apr 27, 2023
CORRESP Letter to the SEC Apr 12, 2023 —
UPLOAD Letter from the SEC Apr 11, 2023 —
8-K Current report
Material agreement, Change to shareholder rights, Shareholder vote results, Other events
Mar 20, 2023 Mar 17, 2023
8-K Current report
Officer or director change
Mar 10, 2023 Mar 9, 2023
IRANNOTICE Tmus iran notice Feb 14, 2023 —
10-K Annual report Feb 14, 2023 Dec 31, 2022
8-K Current report
Officer or director change
Feb 13, 2023 Feb 13, 2023
8-K Current report
Other events
Feb 9, 2023 Feb 9, 2023
424B5 Prospectus supplement Feb 8, 2023 —
FWP Free writing prospectus Feb 7, 2023 —
424B5 Prospectus supplement Feb 6, 2023 —
POSASR Filing Feb 6, 2023 —
8-K Current report
Officer or director change
Feb 3, 2023 Jan 30, 2023
8-K Current report
Results of operations
Feb 1, 2023 Feb 1, 2023
8-K Current report
Other events
Jan 19, 2023 Jan 19, 2023
8-K Current report
Regulation FD disclosure
Jan 4, 2023 Jan 4, 2023
8-K Current report
Officer or director change
Nov 22, 2022 Nov 18, 2022
IRANNOTICE Tmus iran notice Oct 27, 2022 —
10-Q Quarterly report Oct 27, 2022 Sep 30, 2022
8-K Current report
Results of operations
Oct 27, 2022 Oct 27, 2022
8-K Current report
Material agreement, New debt
Oct 17, 2022 Oct 17, 2022
UPLOAD Letter from the SEC Oct 11, 2022 —
CORRESP Letter to the SEC Oct 5, 2022 —
8-K Current report
Other events
Sep 15, 2022 Sep 15, 2022
424B5 Prospectus supplement Sep 14, 2022 —
FWP Free writing prospectus Sep 13, 2022 —
424B5 Prospectus supplement Sep 12, 2022 —

Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Radiotelephone Communications (SIC 4812)
Listed as
TMUS (Nasdaq), TMUSI (Nasdaq), TMUSL (Nasdaq), TMUSZ (Nasdaq)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
Bellevue, WA
SEC filer status
Large accelerated filer
SEC CIK
1283699
Former names
METROPCS COMMUNICATIONS INC (until Apr 29, 2013)

Other Radiotelephone Communications companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.