T-Mobile US, Inc. 8-K

What Happened
T-Mobile US, Inc. announced its financial and operating results for the quarter and year ended December 31, 2025, and furnished the related press release and Investor Factbook to the SEC on February 11, 2026 (Item 2.02). The press release is titled "T-Mobile Delivers Best-in-Class Customer Results in Q4, Translating into Durable and Profitable Financial Growth Driven By Widening Differentiation." The 8‑K was signed by CFO Peter Osvaldik.

Key Details

• Filing date: February 11, 2026; reporting period: quarter and year ended December 31, 2025 (Item 2.02).
• Exhibits furnished: 99.1 = press release (dated Feb 11, 2026); 99.2 = Investor Factbook for Q4 and full year 2025.
• The filing includes the interactive XBRL cover page data (Exhibit 104).
• The 8‑K furnishes the materials (press release and factbook) rather than embedding detailed financial tables in the body of the form.

Why It Matters
This 8‑K formally notifies investors that T‑Mobile has released its quarterly and full‑year results and provides the official documents (press release and investor factbook) where revenue, earnings, subscriber metrics and any guidance will be disclosed. Retail investors should review those exhibits for the specific financial figures and operational metrics that may affect the stock, and monitor any analyst updates or market reactions once the detailed results are read.