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CoStar8-K: CFO change

CoStar Group appoints Europe MD Robin Rossmann as new CFO, effective July 31, 2026.

What happened

Rossmann's background in international operations and his relocation from Europe to the US headquarters may trigger evaluations of financial systems, risk management, and compliance platforms to support global strategy.

Source

SEC EDGARJul 13, 2026

Current report (Form 8-K)

CoStar 8-K

Filing excerpt

On July 13, 2026, the Board of Directors (the “Board”) of CoStar Group, Inc. (the “Company” or “CoStar Group”) appointed Robin Rossmann to serve as the Company’s Chief Financial Officer, effective July 31, 2026 (“Effective Date”).

sec.gov/Archives/edgar/data/1057352/000105735226000054/csgp-20260707.htmRead the full source

Other signals in this filing (3)

Extracted by Autobound

From the Signal API record
Signal
8-K: CFO change

What this signalsA new leader often reviews the tools the team uses.

Form
8-K
Fiscal year end
07/07
Filed
Jul 13, 2026

The full record

From the Signal API record

Numbers

Dollar figure
$2.5M (One-time equity grant for new CFO)
PercentAnnual incentive bonus opportunity as a percentage of base salary for new CFO
1%

Details

CIK
1057352
Accession number
0001057352-26-000054
Timeframe
Current quarter
Filing year
2026
Why it matters
Budget/procurement review
Signal category
Leadership

Topics and mentions

Vendors

  • Deloitte

Regions named

  • Europe
  • United States
  • Arlington, VA

Extraction

Confidence
High
Relevance
100%
Sentiment
Neutral
Detected
Jul 14, 2026
signal_type
sec-8k
signal_subtype
cfoChange

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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/8f73fe90-5962-40e9-9383-568a5c830a44 returns this record as JSON. POST /v1/companies/enrich returns every signal for costargroup.com.

{
  "signal_id": "8f73fe90-5962-40e9-9383-568a5c830a44",
  "signal_type": "sec-8k",
  "signal_subtype": "cfoChange",
  "detected_at": "2026-07-14T07:07:48.637+00:00",
  "company": {
    "name": "CoStar",
    "domain": "costargroup.com"
  },
  "data": {
    "detail": "The appointment of Robin Rossmann to replace outgoing CFO Christian Lown creates a 90-day window for vendor review. Rossmann's background in international operations and his relocation from Europe to the US headquarters may trigger evaluations of financial systems, risk management, and compliance platforms to support global strategy.",
    "metrics": {
      "pct": 1,
      "timeframe": "current_quarter",
      "pct_context": "Annual incentive bonus opportunity as a percentage of base salary for new CFO",
      "dollar_context": "One-time equity grant for new CFO",
      "dollar_millions": 2.5
    },
    "summary": "CoStar Group appoints Europe MD Robin Rossmann as new CFO, effective July 31, 2026.",
    "excerpts": "On July 13, 2026, the Board of Directors (the “Board”) of CoStar Group, Inc. (the “Company” or “CoStar Group”) appointed Robin Rossmann to serve as the Company’s Chief Financial Officer, effective July 31, 2026 (“Effective Date”).",
    "relevance": 1,
    "sentiment": "neutral",
    "confidence": "high",
    "source_url": "https://www.sec.gov/Archives/edgar/data/1057352/000105735226000054/csgp-20260707.htm",
    "filing_date": "2026-07-13",
    "filing_year": 2026,
    "fiscal_year_end": "07/07",
    "sales_relevance": "Budget/procurement review",
    "signal_category": "leadership",
    "regions_mentioned": [
      "Europe",
      "United States",
      "Arlington, VA"
    ],
    "vendors_mentioned": [
      "Deloitte"
    ]
  }
}

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