Open Insider Trading Activity for Costar Group, Inc. President and CEO Florance Andrew C
31-day price and insider activity (up to 2 years)
Daily candles with triangles for the buy and sale transactions shown below. Scroll left or zoom out to load earlier candles (up to 2 years).
▲ Insider buy
▼ Insider sale
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Charting by TradingView Lightweight Charts
| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. CSGP | 2026-05-04 | 2026-05-01 | Costar Group, Inc. | Florance Andrew C | President and CEO | Buy | 2 | 71,430 | $35.20 | $2,514,208.10 | 2.07% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. CSGP | 2026-03-02 | 2026-02-27 | Costar Group, Inc. | Florance Andrew C | President and CEO | Buy | 1 | 55,720 | $44.52 | $2,480,654.40 | 3.51% | View Filing |