secwatch.observer — SEC 8-K summary
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Issuer:     COSTAR GROUP, INC. (CSGP)
CIK:        0001057352
Form:       8-K
Filed at:   2026-05-29T12:05:09+00:00
Accession:  0001193125-26-246361
Event type: m_and_a
Sentiment:  positive
Materiality: 0.80
Item codes: 1.01, 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

CoStar Group acquires Zonda for $800M cash; expands into new home construction data and marketplaces
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- Acquisition of Zonda, a new home data and software provider, for $800M in cash; not subject to financing condition.
- Zonda serves over 3,000 customers; 104% net customer retention on subscription-based revenue.
- Deal expected to close in H2 2026; accretive to adjusted EPS in first full year of ownership.
- CoStar plans cross-sell across commercial, residential, multifamily, lending; pairs Zonda's Envision with Matterport's spatial tech.
- Termination provision allows either party to exit if not closed by May 28, 2027.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1057352/000119312526246361/0001193125-26-246361-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1057352/000119312526246361/d91732d8k.htm
  HTML page:      https://secwatch.observer/filing/0001193125-26-246361

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