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CoStar10-K: Acquisition completed

CoStar completed acquisition of Australian marketplace Domain on August 27, 2025

Read at SEC EDGAR

What happened

This acquisition marks a significant international expansion into the Australian market, following a binding agreement for A$4.43 per share.

Source

SEC EDGARFeb 25, 2026

Annual report (Form 10-K)

CoStar 10-K for FY2025

Filing excerpt

Domain AcquisitionCoStar's acquisition of Domain completed on August 27, 2025, pursuant to the Scheme Implementation Deed

sec.gov/Archives/edgar/data/1057352/000105735226000020/csgp-20251231.htmRead the full source

Other signals in this filing (11)

Extracted by Autobound

From the Signal API record
Signal
10-K: Acquisition completed

What this signalsIntegration work after a deal often opens needs for new systems and services.

Period
FY2025
Fiscal year end
12/31
Filed
Feb 25, 2026

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The full record

From the Signal API record

Details

CIK
1057352
Accession number
0001057352-26-000020
Metric named
A$4.43 per ordinary share of Domain
Filing year
2026
Why it matters
Active integration needs
Signal category
Strategic

Topics and mentions

Regions named

  • Australia

Extraction

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

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

GET /v1/signals/38dba5b8-3479-40ed-980e-3b247a18a0ee returns this record as JSON. POST /v1/companies/enrich returns every signal for costargroup.com.

{
  "signal_id": "38dba5b8-3479-40ed-980e-3b247a18a0ee",
  "signal_type": "sec-10k",
  "signal_subtype": "acquisitionCompleted",
  "detected_at": "2026-03-03T05:57:18.906+00:00",
  "company": {
    "name": "CoStar",
    "domain": "costargroup.com"
  },
  "data": {
    "detail": "This acquisition marks a significant international expansion into the Australian market, following a binding agreement for A$4.43 per share. CoStar will need to integrate Domain's operations and technology, creating needs for international compliance, data localization, and marketing technology vendors.",
    "metrics": {
      "dollar_context": "A$4.43 per ordinary share of Domain"
    },
    "summary": "CoStar completed acquisition of Australian marketplace Domain on August 27, 2025",
    "excerpts": "Domain AcquisitionCoStar's acquisition of Domain completed on August 27, 2025, pursuant to the Scheme Implementation Deed",
    "relevance": 0.9,
    "sentiment": "positive",
    "confidence": "high",
    "source_url": "https://www.sec.gov/Archives/edgar/data/1057352/000105735226000020/csgp-20251231.htm",
    "filing_date": "2026-02-25",
    "filing_year": 2026,
    "fiscal_year_end": "12/31",
    "sales_relevance": "Active integration needs",
    "signal_category": "strategic",
    "regions_mentioned": [
      "Australia"
    ]
  }
}

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