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Constellation Energy8-K: Debt refinancing

Constellation completes $2.29B debt exchange to integrate newly acquired Calpine Corporation.

What happened

Following its acquisition of Calpine, Constellation has refinanced nearly $2.3 billion of its new subsidiary's debt.

Source

SEC EDGARJan 15, 2026

Current report (Form 8-K)

Constellation Energy 8-K

Filing excerpt

On January 15, 2026 (the “Settlement Date”), Constellation completed its previously announced private offers to exchange any and all of the outstanding Calpine Notes for... newly issued... Constellation Notes...

sec.gov/Archives/edgar/data/1168165/000186827526000009/ceg-20260115.htmRead the full source

Other signals in this filing (2)

Extracted by Autobound

From the Signal API record
Signal
8-K: Debt refinancing

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

Form
8-K
Filed
Jan 15, 2026

The full record

From the Signal API record

Numbers

Dollar figure
$2.3B (Aggregate principal amount of Calpine notes exchanged for new Constellation notes as part of post-acquisition debt refinancing.)

Details

CIK
1168165
Accession number
0001868275-26-000009
Timeframe
Immediate
Filing year
2026
Why it matters
Capital available or pressure
Signal category
Financial

Topics and mentions

Vendors

  • U.S. Bank Trust Company
  • National Association
  • Wilmington Trust

Vendors named

  • U.S. Bank Trust Company, National Association
  • Wilmington Trust, National Association

Extraction

Confidence
High
Relevance
90%
Sentiment
Neutral
Detected
Feb 3, 2026
signal_type
sec-8k
signal_subtype
debtRefinancing

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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
Show the full JSONThe record on this page and the API request

GET /v1/signals/dd4170ce-e56a-46e4-8a17-8780f146cb4a returns this record as JSON. POST /v1/companies/enrich returns every signal for constellationenergy.com.

{
  "signal_id": "dd4170ce-e56a-46e4-8a17-8780f146cb4a",
  "signal_type": "sec-8k",
  "signal_subtype": "debtRefinancing",
  "detected_at": "2026-02-03T13:10:13.623+00:00",
  "company": {
    "name": "Constellation Energy",
    "domain": "constellationenergy.com"
  },
  "data": {
    "detail": "Following its acquisition of Calpine, Constellation has refinanced nearly $2.3 billion of its new subsidiary's debt. This major financial integration creates immediate needs for treasury management, financial systems consolidation, and legal/advisory services to harmonize the combined entity's capital structure and reporting.",
    "metrics": {
      "timeframe": "immediate",
      "dollar_context": "Aggregate principal amount of Calpine notes exchanged for new Constellation notes as part of post-acquisition debt refinancing.",
      "dollar_millions": 2289.722
    },
    "summary": "Constellation completes $2.29B debt exchange to integrate newly acquired Calpine Corporation.",
    "excerpts": "On January 15, 2026 (the “Settlement Date”), Constellation completed its previously announced private offers to exchange any and all of the outstanding Calpine Notes for... newly issued... Constellation Notes...",
    "relevance": 0.9,
    "sentiment": "neutral",
    "confidence": "high",
    "source_url": "https://www.sec.gov/Archives/edgar/data/1168165/000186827526000009/ceg-20260115.htm",
    "filing_date": "2026-01-15",
    "filing_year": 2026,
    "sales_relevance": "Capital available or pressure",
    "signal_category": "financial",
    "vendors_mentioned": [
      "U.S. Bank Trust Company, National Association",
      "Wilmington Trust, National Association"
    ]
  }
}

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