CIK 0001057352 · Large accelerated filer
COSTAR GROUP, INC.
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- CSGP
- Exchange
- Nasdaq
- Industry
- Services-Business Services, NEC
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 522091509
- Phone
- 2023466500
- Business address
- 1201 WILSON BLVD., ARLINGTON, VA, 22209
- Former names
- COSTAR GROUP, INC., COSTAR GROUP INC, REALTY INFORMATION GROUP INC
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2025-06-01 | Ruggles Lisa Senior VP, Global Operations | Shares withheld for taxes | −12 | $73.56 | $883 | 211,201 |
| 2025-03-15 | Ruggles Lisa Senior VP, Global Operations | Shares withheld for taxes | −1,958 | $78.73 | $154K | 211,213 |
| 2025-03-15 | Cann Cynthia Cammett Chief Accounting Officer | Shares withheld for taxes | −1,191 | $78.73 | $94K | 28,265 |
| 2025-03-15 | Boxer Gene General Counsel and Secretary | Shares withheld for taxes | −481 | $78.73 | $38K | 78,572 |
| 2025-03-15 | DESMARAIS MICHAEL J Chief Human Resources Officer | Shares withheld for taxes | −3,641 | $78.73 | $287K | 79,118 |
| 2025-03-15 | SIMURO FRANK Chief Technology Officer | Shares withheld for taxes | −5,700 | $78.73 | $449K | 483,599 |
| 2025-03-10 | Cann Cynthia Cammett Chief Accounting Officer | Sale | −1,749 | $79.90 | $140K | 29,456 |
| 2025-03-05 | Cann Cynthia Cammett Chief Accounting Officer | Grant or award | +1,498 | 33,715 | ||
| 2025-03-05 | Boxer Gene General Counsel and Secretary | Grant or award | +12,492 | 79,053 | ||
| 2025-03-05 | FLORANCE ANDREW C President and CEO | Grant or award | +76,232 | 1,672,832.03 | ||
| 2025-03-05 | DESMARAIS MICHAEL J Chief Human Resources Officer | Grant or award | +9,026 | 82,759 | ||
| 2025-03-01 | Ruggles Lisa Senior VP, Global Operations | Shares withheld for taxes | −7,410 | $76.25 | $565K | 213,171 |
| 2025-03-01 | DESMARAIS MICHAEL J Chief Human Resources Officer | Shares withheld for taxes | −3,893 | $76.25 | $297K | 73,733 |
| 2025-03-01 | SAINT FREDERICK G. President, Marketplaces | Shares withheld for taxes | −8,252 | $76.25 | $629K | 369,539 |
| 2025-03-01 | Cann Cynthia Cammett Chief Accounting Officer | Shares withheld for taxes | −813 | $76.25 | $62K | 32,217 |
| 2025-03-01 | Boxer Gene General Counsel and Secretary | Shares withheld for taxes | −3,644 | $76.25 | $278K | 66,561 |
| 2025-03-01 | FLORANCE ANDREW C President and CEO | Shares withheld for taxes | −41,296 | $76.25 | $3.1M | 1,596,600.03 |
| 2025-03-01 | SIMURO FRANK Chief Technology Officer | Shares withheld for taxes | −12,432 | $76.25 | $948K | 489,299 |
| 2025-02-27 | DESMARAIS MICHAEL J Chief Human Resources Officer | Grant or award | +18,828 | 77,626 | ||
| 2025-02-27 | Cann Cynthia Cammett Chief Accounting Officer | Grant or award | +4,035 | 33,030 |
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