Filing excerpt
On January 7, 2026, Constellation acquired all of the outstanding equity interests of Calpine in a cash and stock transaction.
The large-scale acquisition of Calpine necessitates a major integration of operations, IT systems, 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-10krestructuringChargeGet 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/0918963b-032e-42cd-ac78-2082df2b3df1 returns this record as JSON. POST /v1/companies/enrich returns every signal for constellationenergy.com.
{
"signal_id": "0918963b-032e-42cd-ac78-2082df2b3df1",
"signal_type": "sec-10k",
"signal_subtype": "restructuringCharge",
"detected_at": "2026-03-03T05:50:58.314+00:00",
"company": {
"name": "Constellation Energy",
"domain": "constellationenergy.com"
},
"data": {
"detail": "The large-scale acquisition of Calpine necessitates a major integration of operations, IT systems, and personnel. This creates immediate needs for solutions to unify disparate platforms, streamline workflows, and manage organizational change.",
"metrics": {
"timeframe": "current_year"
},
"summary": "Integrating Calpine's 2,500 employees and 72 assets following Jan 2026 acquisition.",
"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": "neutral",
"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": "Vendor review likely",
"signal_category": "financial",
"regions_mentioned": [
"Texas",
"California",
"Northeast"
],
"technologies_mentioned": [
"natural gas",
"geothermal",
"solar",
"battery storage"
]
}
}
curl https://signals.autobound.ai/v1/signals/0918963b-032e-42cd-ac78-2082df2b3df1 \
-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.