Source: Autobound Signal API · 100 signals tracked for T-Mobile · updated
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What changed at T-Mobile this week? Use Autobound signals for t-mobile.com.G. Michael Sievert notified the Board of his decision to resign as director, Transaction Committee member, and Vice Chair of the Board and Company effective November 1, 2026.
Filing excerpt
On October 26, 2026, G. Michael Sievert notified the Board of Directors (the “Board”) of T-Mobile US, Inc. (the “Company”) of his decision to resign from the Board and its Transaction Committee, effective November 1, 2026.
What this signalsFilings often name leadership changes, deals and spending plans.
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This page shows a preview. The full sec-8k record in the Signal API and MCP can also have these 8 fields. Some fields are empty for some signals.
Company
linkedin_urlValue in the APIindustriesValue in the APIemployee_count_lowValue in the APIemployee_count_highValue in the APIrevenueValue in the APIdescriptionValue in the APISignal
signal_nameValue in the APIassociationValue in the APIGET /v1/signals/7c30f085-2dcb-4954-9d71-c130a11e43ab returns this record as JSON. POST /v1/companies/enrich returns every signal for t-mobile.com.
{
"signal_id": "7c30f085-2dcb-4954-9d71-c130a11e43ab",
"signal_type": "sec-8k",
"signal_subtype": "boardChange",
"detected_at": "2026-11-03T07:14:19.183+00:00",
"company": {
"name": "T-Mobile",
"domain": "t-mobile.com"
},
"data": {
"detail": "G. Michael Sievert notified the Board of his decision to resign as director, Transaction Committee member, and Vice Chair of the Board and Company effective November 1, 2026. Executive departures from board governance roles may indicate shifting strategic priorities and prompt vendor reviews.",
"metrics": {
"timeframe": "immediate"
},
"summary": "Vice Chair G. Michael Sievert Resigns from T-Mobile Board Effective November 1, 2026",
"excerpts": "On October 26, 2026, G. Michael Sievert notified the Board of Directors (the “Board”) of T-Mobile US, Inc. (the “Company”) of his decision to resign from the Board and its Transaction Committee, effective November 1, 2026.",
"relevance": 0.85,
"sentiment": "neutral",
"confidence": "high",
"source_url": "https://www.sec.gov/Archives/edgar/data/1283699/000119312526435233/d130644d8k.htm",
"filing_date": "2026-10-28",
"filing_year": 2026,
"sales_relevance": "Strategic direction shift",
"signal_category": "leadership"
}
}
curl https://signals.autobound.ai/v1/signals/7c30f085-2dcb-4954-9d71-c130a11e43ab \
-H "X-API-KEY: $AUTOBOUND_API_KEY"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","limit":20}'Long text fields are shortened on this page.
Looking up one signal by its id is free. Enrich costs 2 credits per signal returned; a call with no results is free.