Filing excerpt
On January 7, 2026, Constellation acquired all of the outstanding equity interests of Calpine in a cash and stock transaction.
The acquisition of Calpine represents a massive integration effort, requiring the harmonization of systems, processes, and personnel.
Filing excerpt
On January 7, 2026, Constellation acquired all of the outstanding equity interests of Calpine in a cash and stock transaction.
What this signalsFilings often name leadership changes, deals and spending plans.
Technologies
Regions named
sec-10krestructuringGet every 10-K signal for Constellation Energy and the companies you sell to, in the tools you already use.
Connect Autobound to Claude, Claude Code or Cursor with MCP. Then ask: “What changed at Constellation Energy this week?”
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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 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/84e522ec-9b31-47f7-baa1-df1508a8c33a returns this record as JSON. POST /v1/companies/enrich returns every signal for constellationenergy.com.
{
"signal_id": "84e522ec-9b31-47f7-baa1-df1508a8c33a",
"signal_type": "sec-10k",
"signal_subtype": "restructuring",
"detected_at": "2026-03-03T05:50:58.314+00:00",
"company": {
"name": "Constellation Energy",
"domain": "constellationenergy.com"
},
"data": {
"detail": "The acquisition of Calpine represents a massive integration effort, requiring the harmonization of systems, processes, and personnel. This creates significant opportunities for vendors specializing in enterprise software (ERP, HRIS), asset management, and operational technology integration to support the newly combined entity.",
"metrics": {
"timeframe": "current_year"
},
"summary": "Completed major acquisition of Calpine in Jan 2026, integrating 2,500 employees and 72 generation assets.",
"excerpts": "On January 7, 2026, Constellation acquired all of the outstanding equity interests of Calpine in a cash and stock transaction.",
"relevance": 0.9,
"sentiment": "positive",
"confidence": "high",
"source_url": "https://www.sec.gov/Archives/edgar/data/1168165/000186827526000032/ceg-20251231.htm",
"filing_date": "2026-02-24",
"filing_year": 2026,
"fiscal_year_end": "12/31",
"sales_relevance": "Change management needs",
"signal_category": "workforce",
"regions_mentioned": [
"Texas",
"California",
"Northeast"
],
"technologies_mentioned": [
"natural gas",
"geothermal",
"solar",
"battery storage"
]
}
}
curl https://signals.autobound.ai/v1/signals/84e522ec-9b31-47f7-baa1-df1508a8c33a \
-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":"constellationenergy.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.