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
4 Insider transaction Nov 3, 2026 Nov 1, 2026
144 Notice of proposed sale Nov 2, 2026 —
SCHEDULE 13D/A Amended ownership over 5% (active) Oct 29, 2026 —
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
4 Insider transaction Sep 28, 2026 Sep 24, 2026
4 Insider transaction Sep 14, 2026 Sep 10, 2026
4 Insider transaction Sep 14, 2026 Sep 10, 2026
144 Notice of proposed sale Sep 10, 2026 —
4 Insider transaction Sep 3, 2026 Sep 1, 2026
8-K Current report
Officer or director change, Regulation FD disclosure
Sep 3, 2026 Sep 1, 2026
4 Insider transaction Aug 27, 2026 Aug 25, 2026
4 Insider transaction Aug 18, 2026 Aug 15, 2026
4 Insider transaction Aug 4, 2026 Aug 1, 2026
3 Initial insider ownership Aug 4, 2026 Aug 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
4 Insider transaction Jun 18, 2026 Jun 16, 2026
4 Insider transaction Jun 18, 2026 Jun 16, 2026
4 Insider transaction Jun 18, 2026 Jun 16, 2026
4 Insider transaction Jun 18, 2026 Jun 16, 2026
4 Insider transaction Jun 18, 2026 Jun 16, 2026
4 Insider transaction Jun 18, 2026 Jun 16, 2026
8-K Current report
Shareholder vote results
Jun 18, 2026 Jun 16, 2026
4 Insider transaction Jun 12, 2026 Jun 11, 2026
4 Insider transaction Jun 9, 2026 Jun 6, 2026
4 Insider transaction May 26, 2026 May 21, 2026
144 Notice of proposed sale May 21, 2026 —
SD Specialized disclosure (conflict minerals) May 15, 2026 —
4 Insider transaction May 4, 2026 May 1, 2026
4 Insider transaction May 4, 2026 May 1, 2026
4 Insider transaction May 4, 2026 May 1, 2026
144 Notice of proposed sale May 1, 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
SCHEDULE 13D/A Amended ownership over 5% (active) Mar 23, 2026 —
4 Insider transaction Mar 13, 2026 Mar 12, 2026
4 Insider transaction Mar 12, 2026 Mar 10, 2026
144 Notice of proposed sale Mar 10, 2026 —
4 Insider transaction Mar 6, 2026 Mar 4, 2026
144 Notice of proposed sale Mar 4, 2026 —
4 Insider transaction Mar 3, 2026 Mar 1, 2026
4 Insider transaction Mar 3, 2026 Mar 1, 2026
4 Insider transaction Feb 26, 2026 Feb 25, 2026
4 Insider transaction Feb 25, 2026 Feb 23, 2026
4 Insider transaction Feb 25, 2026 Feb 24, 2026
CERT Filing Feb 25, 2026 —
144 Notice of proposed sale Feb 24, 2026 —
144 Notice of proposed sale Feb 24, 2026 —
4 Insider transaction Feb 23, 2026 Feb 19, 2026
144 Notice of proposed sale Feb 23, 2026 —
8-A12B Filing Feb 19, 2026 —
4 Insider transaction Feb 19, 2026 Feb 18, 2026
144 Notice of proposed sale Feb 19, 2026 —
8-K Current report
Other events
Feb 19, 2026 Feb 19, 2026
4 Insider transaction Feb 18, 2026 Feb 15, 2026
4 Insider transaction Feb 18, 2026 Feb 15, 2026
4 Insider transaction Feb 18, 2026 Feb 15, 2026
4 Insider transaction Feb 18, 2026 Feb 15, 2026
4 Insider transaction Feb 18, 2026 Feb 15, 2026
4 Insider transaction Feb 18, 2026 Feb 15, 2026
4 Insider transaction Feb 18, 2026 Feb 15, 2026
4 Insider transaction Feb 18, 2026 Feb 15, 2026
4 Insider transaction Feb 18, 2026 Feb 15, 2026
144 Notice of proposed sale Feb 18, 2026 —
144 Notice of proposed sale Feb 18, 2026 —
4 Insider transaction Feb 17, 2026 Feb 12, 2026
424B5 Prospectus supplement Feb 17, 2026 —
144 Notice of proposed sale Feb 17, 2026 —
FWP Free writing prospectus Feb 12, 2026 —
144 Notice of proposed sale 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
144 Notice of proposed sale Dec 22, 2025 —
4 Insider transaction Dec 15, 2025 Dec 11, 2025
4 Insider transaction Dec 11, 2025 Dec 9, 2025
8-K Current report
Other events
Dec 11, 2025 Dec 11, 2025
4 Insider transaction Dec 9, 2025 Dec 5, 2025
8-K Current report
Officer or director change
Dec 9, 2025 Dec 4, 2025
144 Notice of proposed sale Dec 5, 2025 —
4 Insider transaction Dec 4, 2025 Dec 3, 2025
4 Insider transaction Nov 19, 2025 Nov 17, 2025
4 Insider transaction Nov 19, 2025 Nov 17, 2025
144 Notice of proposed sale Nov 18, 2025 —
144 Notice of proposed sale Nov 17, 2025 —
144 Notice of proposed sale Nov 17, 2025 —
4 Insider transaction Nov 12, 2025 Nov 9, 2025
144 Notice of proposed sale Nov 12, 2025 —
4 Insider transaction Nov 10, 2025 Nov 6, 2025
4 Insider transaction Nov 4, 2025 Nov 1, 2025
4 Insider transaction Nov 4, 2025 Nov 1, 2025
4 Insider transaction Oct 31, 2025 Oct 29, 2025
4 Insider transaction Oct 29, 2025 Oct 27, 2025
4 Insider transaction Oct 27, 2025 Oct 23, 2025
4 Insider transaction Oct 23, 2025 Oct 21, 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
4 Insider transaction Oct 21, 2025 Oct 17, 2025
4 Insider transaction Oct 17, 2025 Oct 15, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) Oct 16, 2025 —
SCHEDULE 13G Ownership over 5% (passive) Oct 15, 2025 —
4 Insider transaction Oct 14, 2025 Oct 10, 2025
4 Insider transaction Oct 10, 2025 Oct 8, 2025
8-K Current report
Other events
Oct 9, 2025 Oct 9, 2025
424B5 Prospectus supplement Oct 8, 2025 —
4 Insider transaction Oct 8, 2025 Oct 6, 2025
SCHEDULE 13D/A Amended ownership over 5% (active) Oct 6, 2025 —
FWP Free writing prospectus Oct 6, 2025 —
4 Insider transaction Oct 6, 2025 Oct 2, 2025
424B5 Prospectus supplement Oct 6, 2025 —
POSASR Filing Oct 6, 2025 —
4 Insider transaction Oct 2, 2025 Sep 30, 2025
4 Insider transaction Sep 30, 2025 Sep 26, 2025
3 Initial insider ownership Sep 26, 2025 Sep 19, 2025
3 Initial insider ownership Sep 26, 2025 Sep 19, 2025
4 Insider transaction Sep 26, 2025 Sep 24, 2025
4 Insider transaction Sep 24, 2025 Sep 22, 2025
8-K Current report
Officer or director change
Sep 24, 2025 Sep 19, 2025
4 Insider transaction Sep 23, 2025 Sep 19, 2025
4 Insider transaction Sep 22, 2025 Sep 17, 2025
8-K Current report
Officer or director change, Regulation FD disclosure
Sep 22, 2025 Sep 19, 2025
4 Insider transaction Sep 17, 2025 Sep 15, 2025
4 Insider transaction Sep 15, 2025 Sep 11, 2025
4 Insider transaction Sep 15, 2025 Sep 11, 2025
144 Notice of proposed sale Sep 10, 2025 —
4 Insider transaction Sep 10, 2025 Sep 9, 2025
4 Insider transaction Sep 8, 2025 Sep 4, 2025
4 Insider transaction Sep 4, 2025 Sep 2, 2025
8-K Current report
Regulation FD disclosure
Sep 4, 2025 Sep 4, 2025
4 Insider transaction Sep 3, 2025 Sep 1, 2025
4 Insider transaction Aug 29, 2025 Aug 28, 2025
4 Insider transaction Aug 28, 2025 Aug 26, 2025
4 Insider transaction Aug 26, 2025 Aug 25, 2025
4 Insider transaction Aug 25, 2025 Aug 21, 2025
8-K Current report
Officer or director change
Aug 25, 2025 Aug 22, 2025
4 Insider transaction Aug 20, 2025 Aug 18, 2025
4 Insider transaction Aug 20, 2025 Aug 18, 2025
4 Insider transaction Aug 19, 2025 Aug 15, 2025
144 Notice of proposed sale Aug 19, 2025 —
144 Notice of proposed sale Aug 18, 2025 —
4 Insider transaction Aug 15, 2025 Aug 13, 2025
144 Notice of proposed sale Aug 15, 2025 —
SCHEDULE 13D/A Amended ownership over 5% (active) Aug 12, 2025 —
4 Insider transaction Aug 12, 2025 Aug 8, 2025
SCHEDULE 13D/A Amended ownership over 5% (active) Aug 8, 2025 —
4 Insider transaction Aug 7, 2025 Aug 6, 2025
4 Insider transaction Aug 5, 2025 Aug 1, 2025
CERT Filing Aug 5, 2025 —
8-A12B Filing Aug 5, 2025 —
8-K Current report
Other events
Aug 5, 2025 Aug 5, 2025
4 Insider transaction Jul 31, 2025 Jul 30, 2025
4 Insider transaction Jul 31, 2025 Jul 29, 2025
4 Insider transaction Jul 29, 2025 Jul 25, 2025
144 Notice of proposed sale Jul 29, 2025 —
4 Insider transaction Jul 28, 2025 Jul 24, 2025
4 Insider transaction Jul 24, 2025 Jul 22, 2025
144 Notice of proposed sale Jul 24, 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
4 Insider transaction Jul 21, 2025 Jul 17, 2025
4 Insider transaction Jul 16, 2025 Jul 14, 2025
4 Insider transaction Jul 11, 2025 Jul 9, 2025
4 Insider transaction Jul 8, 2025 Jul 7, 2025
4 Insider transaction Jul 3, 2025 Jul 1, 2025
8-K Current report
Other events
Jul 2, 2025 Jul 2, 2025
4 Insider transaction Jun 30, 2025 Jun 26, 2025
4 Insider transaction Jun 25, 2025 Jun 23, 2025
SCHEDULE 13D/A Amended ownership over 5% (active) Jun 20, 2025 —
4 Insider transaction Jun 20, 2025 Jun 17, 2025
SCHEDULE 13D/A Amended ownership over 5% (active) Jun 20, 2025 —
4 Insider transaction Jun 17, 2025 Jun 13, 2025
4 Insider transaction Jun 16, 2025 Jun 12, 2025
4 Insider transaction Jun 16, 2025 Jun 12, 2025
8-K Current report
Other events
Jun 16, 2025 Jun 16, 2025
SCHEDULE 13D/A Amended ownership over 5% (active) Jun 12, 2025 —
144 Notice of proposed sale Jun 11, 2025 —
8-K Current report
Shareholder vote results
Jun 10, 2025 Jun 6, 2025

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.