CSGPCoStar Group
CoStar Group is a leading provider of online real estate marketplaces, information, analytics, and 3D digital twin technology in the property markets. 10-K, Item 1
- Headquarters
- Arlington, VA
- CEO
- Andrew C. Florance
- Next results
- around Feb 23, 2027
Every trade in CSGP shares that directors, officers and 10% owners reported on Form 4 since May 14, 2026. Open-market buys and sales are the trades the insider chose to make; grants, option exercises and shares withheld for tax are part of pay.
| Date | Insider | Role | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| Aug 7, 2026 | Cynthia Cammett Cann | Chief Accounting Officer | Sale | -4,788 | 30.78 | 147K | 18,822 |
| Aug 5, 2026 | John W. Hill | Director | Sale | -3,500 | 30.21 | 106K | 22,993 |
| Aug 4, 2026 | Andrew C. Florance | Founder and CEO, Director | Buy | 83,300 | 29.89 | 2.5M | 1,806,165 |
From the Form 4s in SEC's filing index; each date links to the filing. The Insider selling plans tab shows planned sales (10b5-1 plans and Form 144).
Work on CSGP in a spreadsheet:
Excel workbook (a sheet per section, ten years by column, charts, links to the filings) ·
CSV.
For a Google Sheet that stays up to date, paste =IMPORTDATA("https://tickdelta.com/company/CSGP/export.csv") into a cell.