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CoStar8-K: Acquisition completed

CoStar Group completes acquisition of Zonda for $800 million in cash

What happened

The completion of this $800M acquisition triggers significant post-merger integration challenges.

Source

SEC EDGARAug 21, 2026

Current report (Form 8-K)

CoStar 8-K

Filing excerpt

On August 21, 2026, CoStar Group, Inc., a Delaware corporation, issued a press release (the “Press Release”) announcing the completion of its acquisition of Bora, Inc., a Delaware corporation, and its subsidiaries (together, “Zonda”), for $800 million in cash.

sec.gov/Archives/edgar/data/1057352/000105735226000072/csgp-20260821.htmRead the full source

Other signals in this filing (2)

Extracted by Autobound

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

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

Form
8-K
Fiscal year end
08/21
Filed
Aug 21, 2026

The full record

From the Signal API record

Numbers

Dollar figure
$800M (cash payment for the acquisition of Bora, Inc. (Zonda))

Details

CIK
1057352
Accession number
0001057352-26-000072
Timeframe
Immediate
Filing year
2026
Why it matters
Active integration needs
Signal category
Strategic

Extraction

Confidence
High
Relevance
90%
Sentiment
Neutral
Detected
Aug 25, 2026
signal_type
sec-8k
signal_subtype
acquisitionCompleted

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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/56c91c02-1863-4e95-85e4-ad5f4974c07d returns this record as JSON. POST /v1/companies/enrich returns every signal for costargroup.com.

{
  "signal_id": "56c91c02-1863-4e95-85e4-ad5f4974c07d",
  "signal_type": "sec-8k",
  "signal_subtype": "acquisitionCompleted",
  "detected_at": "2026-08-25T07:05:54.286+00:00",
  "company": {
    "name": "CoStar",
    "domain": "costargroup.com"
  },
  "data": {
    "detail": "The completion of this $800M acquisition triggers significant post-merger integration challenges. CoStar will need to consolidate IT systems, financial reporting, HR platforms, and sales operations between the two companies, creating immediate opportunities for integration and consulting vendors.",
    "metrics": {
      "timeframe": "immediate",
      "dollar_context": "cash payment for the acquisition of Bora, Inc. (Zonda)",
      "dollar_millions": 800
    },
    "summary": "CoStar Group completes acquisition of Zonda for $800 million in cash",
    "excerpts": "On August 21, 2026, CoStar Group, Inc., a Delaware corporation, issued a press release (the “Press Release”) announcing the completion of its acquisition of Bora, Inc., a Delaware corporation, and its subsidiaries (together, “Zonda”), for $800 million in cash.",
    "relevance": 0.9,
    "sentiment": "neutral",
    "confidence": "high",
    "source_url": "https://www.sec.gov/Archives/edgar/data/1057352/000105735226000072/csgp-20260821.htm",
    "filing_date": "2026-08-21",
    "filing_year": 2026,
    "fiscal_year_end": "08/21",
    "sales_relevance": "Active integration needs",
    "signal_category": "strategic"
  }
}

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