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AT&T8-K: Legacy modernization

AT&T accelerates decommissioning of its copper network, causing a 25.3% revenue drop in its Legacy segment.

Read at SEC EDGAR

What happened

The company is actively shutting down its legacy copper network, a multi-year initiative creating a significant need for solutions in network management, customer migration, and operational efficiency. The 25.3% YoY revenue decline in the Legacy segment highlights the urgency and scale of this transformation.

Source

SEC EDGARApr 22, 2026

Current report (Form 8-K)

AT&T 8-K

Filing excerpt

we continue to work towards the decommissioning of our copper-based legacy network.

sec.gov/Archives/edgar/data/732717/000073271726000201/t-20260422.htmRead the full source

Other signals in this filing (7)

Extracted by Autobound

From the Signal API record
Signal
8-K: Legacy modernization

What this signalsFilings often name leadership changes, deals and spending plans.

Form
8-K
Fiscal year end
04/22
Filed
Apr 22, 2026

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The full record

From the Signal API record

Numbers

Dollar figure
$1.8B (Legacy segment quarterly revenue)
Percent
-25.3% (Legacy segment revenue decline YoY)

Details

CIK
732717
Accession number
0000732717-26-000201
Timeframe
Current quarter
Filing year
2026
Why it matters
Modernization projects
Signal category
Technology

Topics and mentions

Technologies

  • copper-based network

Regions named

  • domestic

Extraction

Confidence
High
Relevance
90%
Sentiment
Neutral
Detected
Apr 28, 2026
signal_type
sec-8k
signal_subtype
legacyModernization

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The API returns more than this page shows

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 API
  • industriesValue in the API
  • employee_count_lowValue in the API
  • employee_count_highValue in the API
  • revenueValue in the API
  • descriptionValue in the API

Signal

  • signal_nameValue in the API
  • associationValue in the API
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Show the full JSONThe record on this page and the API request

GET /v1/signals/50048b9e-b3b1-4d8f-ba8c-2a0b4896831d returns this record as JSON. POST /v1/companies/enrich returns every signal for att.com.

{
  "signal_id": "50048b9e-b3b1-4d8f-ba8c-2a0b4896831d",
  "signal_type": "sec-8k",
  "signal_subtype": "legacyModernization",
  "detected_at": "2026-04-28T10:18:14.438+00:00",
  "company": {
    "name": "AT&T",
    "domain": "att.com"
  },
  "data": {
    "detail": "The company is actively shutting down its legacy copper network, a multi-year initiative creating a significant need for solutions in network management, customer migration, and operational efficiency. The 25.3% YoY revenue decline in the Legacy segment highlights the urgency and scale of this transformation.",
    "metrics": {
      "pct": -0.253,
      "timeframe": "current_quarter",
      "pct_context": "Legacy segment revenue decline YoY",
      "dollar_context": "Legacy segment quarterly revenue",
      "dollar_millions": 1800
    },
    "summary": "AT&T accelerates decommissioning of its copper network, causing a 25.3% revenue drop in its Legacy segment.",
    "excerpts": "we continue to work towards the decommissioning of our copper-based legacy network.",
    "relevance": 0.9,
    "sentiment": "neutral",
    "confidence": "high",
    "source_url": "https://www.sec.gov/Archives/edgar/data/732717/000073271726000201/t-20260422.htm",
    "filing_date": "2026-04-22",
    "filing_year": 2026,
    "fiscal_year_end": "04/22",
    "sales_relevance": "Modernization projects",
    "signal_category": "technology",
    "regions_mentioned": [
      "domestic"
    ],
    "technologies_mentioned": [
      "copper-based network"
    ]
  }
}

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