Public company intelligence preview
COSTAR GROUP INC
63 insider trades surfaced from the last year. This page shows only aggregate signals, not the underlying transactions, people, filings, filters, or AI workspace.
Snapshot
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Insider compensation
Public aggregate: $10.8M average total compensation across covered insiders.
Governance movement
Public aggregate: 4 governance events in the last year.
Institutional ownership
Public aggregate: 841 holders from the latest quarter.
Restricted sales and governance
Public counts, not the investigation layer.
The full product opens the underlying filings, insider context, historical holdings, comparison tools, and AI analysis.
Market context
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Company note
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Company Overview
CoStar Group Inc. operates in the Real Estate sector and Real Estate Services industry, providing online real estate marketplaces, data, analytics, and 3D digital twin technology. Its platform mix spans commercial brands like CoStar, LoopNet, Matterport, BizBuySell, and Ten-X, as well as residential brands including Apartments.com, Homes.com, Land.com, Domain, and OnTheMarket. The business is highly data- and technology-driven, supported by a large proprietary research operation and recurring subscription-based monetization, with additional transaction and service revenue tied to listings, capture services, and auctions. Recent filings show strong growth across both commercial and residential segments, helped by acquisitions such as Matterport and Domain and continued expansion in AI-enabled product offerings and international markets.
Executive Compensation Practices
For a company like CoStar, executive compensation is likely to be heavily tied to revenue growth, subscription expansion, customer retention, and adjusted EBITDA performance, rather than just short-term net income. The filings show management focusing on annualized net new bookings, renewal rates around 89% on long-term contracts, and segment-level adjusted EBITDA improvement, all of which are plausible drivers for bonus and incentive pay. Because the company is investing aggressively in sales, software development, and acquisitions, compensation plans may also emphasize operational execution, integration milestones, and long-term stock performance to balance growth with margin discipline. In the Real Estate Services industry, equity awards are especially common to align leadership with the value creation expected from recurring revenue platforms, major brand growth, and successful assimilation of acquired businesses.
Insider Trading Considerations
Insider trading patterns at CoStar may be influenced by the company’s mix of recurring subscriptions and acquisition-driven growth, since quarterly results can be affected by large deals, integration costs, and shifts in customer demand. Executives may be especially sensitive to trading windows around major disclosures involving acquisition synergies, changes in paid listings, Homes.com membership growth, or moderation in Commercial Real Estate growth as acquisition benefits roll off. Because the company is exposed to real estate cyclicality, technology execution, AI-related product risk, and large share repurchase programs, insiders may have material nonpublic information that affects both timing and size of transactions. In this sector, insider sales or purchases can also reflect views on the durability of subscription renewals, advertising demand, and the pace of margin expansion as the company scales.
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