What T-Mobile's Quarter ended Sep 30, 2026 10-Q says: 7 signals
T-Mobile filed its latest 10-Q with the SEC on Oct 28, 2026. It discusses acquisition announced, acquisition completed and cost reduction.
Public (TMUS)Telecommunicationst-mobile.comLinkedIn
Get T-Mobile's live signals in Claude or ChatGPT, or by API
What changed at T-Mobile this week? Use Autobound signals for t-mobile.com.- Filed
- Oct 28, 2026
- Period
- Quarter ended Sep 30, 2026
- Filings
- 3
- Signals
- 28
Source: Autobound Signal API · 100 signals tracked for T-Mobile · updated
10-Q · latest 10
What T-Mobile's 10-Q filings say
- SEC EDGAR
10-Q · Quarter ended Sep 30, 2026
Filed · 7 signals
T-Mobile completed acquisition of i3 Broadband joint venture on October 1, 2026, for $671 million
T-Mobile invested $671 million on October 1, 2026, to acquire a 50% equity interest in a joint venture with Wren House to acquire i3 Broadband and its residential fiber customers.
$671M
to acquire a 50% equity interest in the joint venture and substantially all existing residential fiber customers
50%
equity interest in the joint venture
fiber
T-Mobile formed joint venture with AT&T and Verizon on September 14, 2026
On September 14, 2026, T-Mobile formed a joint venture with AT&T and Verizon to eliminate wireless dead zones through pooled spectrum and direct-to-device satellite technologies.
satellite-based technologiesdirect-to-device communications
In the second quarter of 2025, T-Mobile began a phased implementation of a new global ERP system designed to replace many operating and financial systems, supporting billing, supply chain, and reporting.
enterprise resource planningERP
T-Mobile announced $2.0 billion joint venture acquisition of GoNetspeed and Greenlight Networks
T-Mobile entered into agreements with Oak Hill Capital Management to acquire 50% stakes in fiber providers GoNetspeed and Greenlight Networks, expecting to invest approximately $2.0 billion upon closing in H1 2027.
$2B
to acquire a 50% equity interest in the joint venture and substantially all existing residential fiber customers
50%
equity interest in the joint venture
fiber
T-Mobile records $141 million pre-tax charge for 2025-2026 Workforce Transformation
T-Mobile recorded a pre-tax charge of $141 million during the nine months ended September 30, 2026, to streamline operations by centralizing teams and reducing organizational layers.
$141M
pre-tax charge for 2025-2026 Workforce Transformation
T-Mobile targets $1.2 billion in annual cost synergies from UScellular integration
T-Mobile expects to achieve $1.2 billion in annual run-rate cost synergies upon completing integration activities, consisting of $950 million in operating expenses and $250 million in capital expenditures.
$1.2B
total annual run rate cost synergies
Prepaid revenues drop 8% in Q3 2026 driven by lower average prepaid customers
Prepaid service revenues fell $198 million or 8% to $2,427 million in the three months ended September 30, 2026, driven by lower average prepaid customer counts and promotional dilution.
$198M
decrease in quarterly prepaid revenues
-8%
decrease in prepaid revenues for three months ended September 30, 2026
- SEC EDGAR
10-Q
Filed · 10 signals
The company is still dealing with the financial and legal fallout from major 2021 and 2023 breaches and expects to be a continued target.
AI
T-Mobile faces significant costs from lawsuits and FCC investigation after major cyberattacks.
AI
T-Mobile announces acquisition of UScellular's wireless operations, triggering integration needs.
T-Mobile has entered into a purchase agreement to acquire UScellular's wireless operations.
UScellular
Earlier 10-Q filings
- 10-QFiled · 11 signalsSEC EDGAR
Showing 10 of 28 filing signals. The Signal API returns all of them.
Get them with one API callEarnings calls
T-Mobile earnings headlines
From earnings call transcripts (Signal API type earnings-transcripts).
| Call date | What the company said |
|---|---|
| Incoming CEO Srini Gopalan takes over from Mike SievertSrini Gopalan is the new CEO, taking over from Mike Sievert who is moving to Vice Chairman. This major leadership transition often triggers reviews of strategy, budgets, and key vendor relationships, creating a prime opportunity for engagement. | |
| Accelerating UScellular integration with $1.2B synergy goal and significant Q4 spendingThe company is fast-tracking the UScellular integration, targeting $1.2 billion in run-rate synergies within two years. They will incur approximately $300 million in Q4 costs for this, creating opportunities for vendors in network integration, IT system consolidation, and project management. | |
| Prioritizing digital transformation to reduce customer frictionThe incoming CEO has identified digital transformation as a key priority to remove "friction and frustration" from customer processes. This signals a strong focus and budget for solutions in AI, automation, and digital customer experience platforms. | |
| Driving major digital transformation initiative to reduce customer frictionLeadership has prioritized a digital transformation to remove friction from customer processes, viewing it as a key differentiator. With 75% of iPhone pre-order upgrades happening digitally, there is a clear mandate to invest in digital channels, customer experience platforms, and automation tools. | |
| Focused on closing the "network perception gap" vs. realityLeadership acknowledges a significant gap between their network's superior reality and public perception. This is a key business problem they are trying to solve, suggesting openness to marketing tech, analytics, and customer engagement solutions that can prove network quality and influence perception. | |
| Achieved all-time record customer growth in Q3T-Mobile delivered its best-ever postpaid account growth and total postpaid net additions, adding over 1 million postpaid phone customers. This rapid customer acquisition requires scaling of backend systems, including billing, CRM, customer support platforms, and data analytics to manage and retain the expanding base. |
Signal API · MCP
Track T-Mobile with the Signal API
One POST /v1/companies/enrich call with t-mobile.com returns T-Mobile 10-Q signals (sec-10q), each with its source. Or ask Claude through MCP.
2 credits per signal returned; zero-result calls are free. Endpoint reference
curl -X POST https://signals.autobound.ai/v1/companies/enrich \
-H "X-API-KEY: $AUTOBOUND_API_KEY" \
-H "Content-Type: application/json" \
-d '{"domain":"t-mobile.com","signal_types":["sec-10q"],"limit":20}'Bulk data
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Page updated , the date of the newest row on this page.
Source. Quarterly reports (Form 10-Q) filed with the SEC. Every card links to the filing on EDGAR.
Method. Insights are extracted from the filing text and grouped by category. Numbers are quoted from the filing.
Data as of .