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Vistra10-K: Supplier concentration

Vistra building strategic inventory to mitigate Russian nuclear fuel supply disruption risk.

What happened

The company is actively managing its nuclear fuel procurement portfolio to ensure operational continuity for its 6,448 MW nuclear fleet amidst potential geopolitical supply disruptions. This creates a need for advanced supply chain management, risk modeling, and inventory optimization solutions.

Source

SEC EDGARFeb 26, 2026

Annual report (Form 10-K)

Vistra 10-K for FY2025

Filing excerpt

We continue to take affirmative action by building strategic inventory and deploying mitigating strategies in our procurement portfolio to ensure we can secure the nuclear fuel needed to continue to operate our nuclear facilities through potential Russian supply disruption.

sec.gov/Archives/edgar/data/1692819/000169281926000006/vistra-2025123...Read the full source

Other signals in this filing (11)

Extracted by Autobound

From the Signal API record
Signal
10-K: Supplier concentration

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

Period
FY2025
Fiscal year end
12/31
Filed
Feb 26, 2026

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The full record

From the Signal API record

Details

CIK
1692819
Accession number
0001692819-26-000006
Timeframe
Multi year
Filing year
2026
Why it matters
Risk management needed
Signal category
Market

Topics and mentions

Technologies

  • Nuclear

Extraction

Confidence
High
Relevance
90%
Sentiment
Negative
Detected
Mar 3, 2026
signal_type
sec-10k
signal_subtype
supplierConcentration

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The API returns more than this page shows

This page shows a preview. The full sec-10k 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
Show the full JSONThe record on this page and the API request

GET /v1/signals/25c735bd-ea45-475f-9e4f-e5456eebd852 returns this record as JSON. POST /v1/companies/enrich returns every signal for vistracorp.com.

{
  "signal_id": "25c735bd-ea45-475f-9e4f-e5456eebd852",
  "signal_type": "sec-10k",
  "signal_subtype": "supplierConcentration",
  "detected_at": "2026-03-03T05:53:31.653+00:00",
  "company": {
    "name": "Vistra",
    "domain": "vistracorp.com"
  },
  "data": {
    "detail": "The company is actively managing its nuclear fuel procurement portfolio to ensure operational continuity for its 6,448 MW nuclear fleet amidst potential geopolitical supply disruptions. This creates a need for advanced supply chain management, risk modeling, and inventory optimization solutions.",
    "metrics": {
      "timeframe": "multi_year"
    },
    "summary": "Vistra building strategic inventory to mitigate Russian nuclear fuel supply disruption risk.",
    "excerpts": "We continue to take affirmative action by building strategic inventory and deploying mitigating strategies in our procurement portfolio to ensure we can secure the nuclear fuel needed to continue to operate our nuclear facilities through potential Russian supply disruption.",
    "relevance": 0.9,
    "sentiment": "negative",
    "confidence": "high",
    "source_url": "https://www.sec.gov/Archives/edgar/data/1692819/000169281926000006/vistra-20251231.htm",
    "filing_date": "2026-02-26",
    "filing_year": 2026,
    "fiscal_year_end": "12/31",
    "sales_relevance": "Risk management needed",
    "signal_category": "market",
    "technologies_mentioned": [
      "Nuclear"
    ]
  }
}

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