Union Pacific identifies a significant operational and cost risk due to high concentration in its supply chain for critical assets like locomotives and rail, making it vulnerable to price increases and supply disruptions.
Filing excerpt
Therefore, if any of our two domestic suppliers of locomotives discontinues manufacturing locomotives, supplying parts, or providing maintenance for any reason...we could experience significant cost increases and reduced availability of the locomotives that are necessary for our operations.
What this signalsFilings often name leadership changes, deals and spending plans.
sec-10ksupplierConcentrationGet every 10-K signal for Union Pacific and the companies you sell to, in the tools you already use.
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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/697e8daa-15ed-414d-937a-7b25255e7ced returns this record as JSON. POST /v1/companies/enrich returns every signal for up.com.
{
"signal_id": "697e8daa-15ed-414d-937a-7b25255e7ced",
"signal_type": "sec-10k",
"signal_subtype": "supplierConcentration",
"detected_at": "2026-02-10T07:48:35.121+00:00",
"company": {
"name": "Union Pacific",
"domain": "up.com"
},
"data": {
"detail": "Union Pacific identifies a significant operational and cost risk due to high concentration in its supply chain for critical assets like locomotives and rail, making it vulnerable to price increases and supply disruptions.",
"summary": "Company flags critical dependency on only two domestic locomotive suppliers and a limited number of steel producers.",
"excerpts": "Therefore, if any of our two domestic suppliers of locomotives discontinues manufacturing locomotives, supplying parts, or providing maintenance for any reason...we could experience significant cost increases and reduced availability of the locomotives that are necessary for our operations.",
"relevance": 0.8,
"sentiment": "negative",
"confidence": "high",
"source_url": "https://www.sec.gov/Archives/edgar/data/100885/000010088526000037/unp-20251231.htm",
"filing_date": "2026-02-06",
"filing_year": 2026,
"fiscal_year_end": "12/31",
"sales_relevance": "Risk management needed",
"signal_category": "market"
}
}
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-H "X-API-KEY: $AUTOBOUND_API_KEY" \
-H "Content-Type: application/json" \
-d '{"domain":"up.com","limit":20}'Long text fields are shortened on this page.
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