CoStar Group (CSGP): insider & executive buying
CoStar Group · Real Estate · ref. ETF XLRE · price $31.34
In short — 3 insiders bought CoStar Group over ~6 months (5 buys, total $8.4M, latest Aug 4, 26) — cluster buy. Public Form 4 data, informative (not a performance signal).
Are CoStar Group's executives buying their own shares? Here are the disclosed insider buys over the last 6 months — a transparency data point, not an outperformance signal.
📈 1-year price
$31.34-65.3% over range
Aug 28, 25low $27.14 · high $90.33Aug 27, 26
📏 Click 2 points (left → right) to measure the change · click again to clear.
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50% recommend buying · 16 analysts
Latest insider buys on CoStar Group
| Date | Insider | Role | Shares | Amount |
|---|---|---|---|---|
| Aug 4, 26 | Florance Andrew C | Founder, CEO | 83,300 | $2.5M |
| May 1, 26 | Florance Andrew C | Pres, CEO | 71,430 | $2.5M |
| Mar 6, 26 | Sams Louise S | Dir | 1,000 | $48k |
| Mar 2, 26 | Saint Frederick G. | Pres, Marketplaces | 20,000 | $907k |
| Feb 27, 26 | Florance Andrew C | Pres, CEO | 55,720 | $2.5M |
⚠️ Open-market buys reported to the SEC (Form 4). Transparency data, not advice nor an outperformance signal (our backtests show no reliable edge).
Frequently asked questions
Have CoStar Group's executives bought shares recently?
3 CoStar Group insider(s) bought $8.4M over ~6 months (latest Aug 4, 26). A buy shows confidence, but our backtests show no performance edge.
Is insider buying a good signal for CSGP?
It's useful transparency data, but NOT a performance guarantee: our historical tests show no reliable edge from following insider buys. Cross-check with fundamentals and analyst views.
Where does this data come from?
From Form 4 filings with the SEC (mandatory for officers and 10%+ holders), aggregated and refreshed regularly.
💬 A question about CoStar Group? The JPI assistant answers using our backtest data.