CSGP CoStar Group
Nasdaq · SEC CIK 1057352 · EDGAR
- Bought, last 12 months
- $8.48M 6 purchases by 4 insiders
- Sold, last 12 months
- $534.3K 4 sales by 2 insiders
- Filings on record
- 223 since 2021-08-11, latest 2026-08-10 16:06
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| FLORANCE ANDREW C | Pres, CEO, Dir | $7.48M | — |
| SAINT FREDERICK G. | Pres, Marketplaces | $906.6K | — |
| Cann Cynthia Cammett | CAO | — | $274.0K |
| Hill John W | Dir | — | $260.3K |
| Sams Louise S | Dir | $48.4K | — |
| Glaser Rachel C | Dir | $44.9K | — |
| SIMURO FRANK | CTO | — | — |
| DESMARAIS MICHAEL J | CHRO | — | — |
| Boxer Gene | GC, Sec | — | — |
| Brunner Angelique G. | Dir | — | — |
Transactions 284
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2025-02-24 | 2025-02-20 | CSGP | LOWN CHRISTIAN M. | CFO | A - Grant | $0.00 | +97.6K | 134.8K | +262% | $0 |
| 2025-02-19 | 2025-02-15 | CSGP | Ruggles Lisa | Senior VP, Gbl Ops | F - Tax | $74.06 | -3,531 | 169.1K | -2% | -$261.5K | |
| 2025-02-19 | 2025-02-15 | CSGP | SIMURO FRANK | CTO | F - Tax | $74.06 | -5,485 | 385.0K | -1% | -$406.2K | |
| 2025-02-19 | 2025-02-15 | CSGP | SAINT FREDERICK G. | Pres, Marketplaces | F - Tax | $74.06 | -2,349 | 293.2K | -0.8% | -$174.0K | |
| 2025-02-19 | 2025-02-15 | CSGP | FLORANCE ANDREW C | Pres, CEO, Dir | F - Tax | $74.06 | -14.2K | 1.25M | -1% | -$1.05M | |
| 2024-12-12 | 2024-12-10 | CSGP | Hill John W | Dir | S - Sale | $76.76 | -2,735 | 17.5K | -14% | -$209.9K | |
| 2024-12-12 | 2024-12-10 | CSGP | Hill John W | Dir | G - Gift | $0.00 | -195 | 17.3K | -1% | $0 | |
| 2024-12-12 | 2024-12-10 | CSGP | KLEIN MICHAEL R | Dir | G - Gift | $0.00 | -64.9K | 1.85M | -3% | $0 | |
| 2024-12-02 | 2024-11-27 | CSGP | NASSETTA CHRISTOPHER J | Dir | S - Sale | $80.39 | -1,681 | 229.7K | -0.7% | -$135.1K | |
| 2024-11-27 | 2024-11-26 | CSGP | DESMARAIS MICHAEL J | CHRO | S - Sale | $79.88 | -5,500 | 58.8K | -9% | -$439.3K | |
| 2024-10-28 | 2024-10-25 | CSGP | KLEIN MICHAEL R | Dir | G - Gift | $0.00 | -5,872 | 1.99M | -0.3% | $0 | |
| 2024-10-28 | 2024-10-25 | CSGP | KLEIN MICHAEL R | Dir | S - Sale | $74.69 | -71.6K | 1.91M | -4% | -$5.35M | |
| 2024-10-28 | 2024-10-25 | CSGP | FLORANCE ANDREW C | Pres, CEO, Dir | P - Purchase | $74.67 | +14.7K | 1.26M | +1% | +$1.10M | |
| 2024-08-05 | 2024-07-17 | CSGP | Kaplan Laura Cox | Dir | A - Grant | $0.00 | +3,452 | 17.8K | +24% | $0 | |
| 2024-08-05 | 2024-07-17 | CSGP | NASSETTA CHRISTOPHER J | Dir | A - Grant | $0.00 | +3,781 | 231.4K | +2% | $0 | |
| 2024-08-05 | 2024-07-17 | CSGP | KLEIN MICHAEL R | Dir | A - Grant | $0.00 | +3,781 | 1.99M | +0.2% | $0 | |
| 2024-08-05 | 2024-07-17 | CSGP | Musslewhite Robert W | Dir | A - Grant | $0.00 | +3,293 | 15.2K | +28% | $0 | |
| 2024-08-05 | 2024-07-17 | CSGP | Brunner Angelique G. | Dir | A - Grant | $0.00 | +3,491 | 7,023 | +99% | $0 | |
| 2024-08-05 | 2024-07-17 | CSGP | Hill John W | Dir | A - Grant | $0.00 | +3,689 | 20.2K | +22% | $0 | |
| 2024-08-05 | 2024-07-17 | CSGP | Sams Louise S | Dir | A - Grant | $0.00 | +3,491 | 16.1K | +28% | $0 | |
| 2024-08-01 | 2024-07-30 | CSGP | Hill John W | Dir | S - Sale | $78.16 | -1,325 | 16.5K | -7% | -$103.6K | |
| 2024-07-30 | 2024-07-26 | CSGP | SAINT FREDERICK G. | Pres, Marketplaces | A - Grant | $0.00 | +12.7K | 295.6K | +5% | $0 | |
| 2024-07-30 | 2024-07-26 | CSGP | Cann Cynthia Cammett | CAO | A - Grant | $0.00 | +9,553 | 29.0K | +49% | $0 | |
| M | 2024-07-30 | 2024-07-27 | CSGP | KLEIN MICHAEL R | Dir | G - Gift | $0.00 | -16.5K | 1.99M | -0.8% | $0 |
| 2024-07-03 | 2024-07-01 | CSGP | LOWN CHRISTIAN M. | CFO | A - Grant | $0.00 | +33.8K | 33.8K | New | $0 | |
| 2024-06-04 | 2024-06-01 | CSGP | Ruggles Lisa | Senior VP, Gbl Ops | F - Tax | $78.17 | -11 | 172.6K | -0.0% | -$859.87 | |
| 2024-05-17 | 2024-05-16 | CSGP | SAINT FREDERICK G. | Pres, Marketplaces | S - Sale | $88.43 | -2,500 | 282.9K | -0.9% | -$221.1K | |
| 2024-05-10 | 2024-05-09 | CSGP | Ruggles Lisa | Senior VP, Gbl Ops | S - Sale | $91.15 | -20.0K | 172.6K | -10% | -$1.82M | |
| I | 2024-05-09 | 2024-05-07 | CSGP | NASSETTA CHRISTOPHER J | Dir | G - Gift | $0.00 | +46.0K | 46.0K | New | $0 |
| 2024-05-09 | 2024-05-07 | CSGP | NASSETTA CHRISTOPHER J | Dir | G - Gift | $0.00 | -46.0K | 227.6K | -17% | $0 | |
| 2024-04-30 | 2024-04-26 | CSGP | DESMARAIS MICHAEL J | CHRO | S - Sale | $92.67 | -3,800 | 64.1K | -6% | -$352.1K | |
| D | 2024-04-30 | 2024-04-26 | CSGP | Wheeler Scott T | CFO | S - Sale+OE | $92.61 | -122.7K | 303.4K | -29% | -$11.37M |
| DM | 2024-04-30 | 2024-04-26 | CSGP | Wheeler Scott T | CFO | M - OptEx | $58.03 | +122.7K | 426.2K | +40% | +$7.12M |
| 2024-03-19 | 2024-03-15 | CSGP | Boxer Gene | GC, Sec | F - Tax | $87.87 | -372 | 43.3K | -0.9% | -$32.7K | |
| 2024-03-19 | 2024-03-15 | CSGP | SIMURO FRANK | CTO | F - Tax | $87.87 | -5,128 | 390.5K | -1% | -$450.6K | |
| 2024-03-19 | 2024-03-15 | CSGP | Wheeler Scott T | CFO | F - Tax | $87.87 | -8,444 | 303.4K | -3% | -$742.0K | |
| 2024-03-19 | 2024-03-15 | CSGP | DESMARAIS MICHAEL J | CHRO | F - Tax | $87.87 | -2,267 | 67.9K | -3% | -$199.2K | |
| 2024-03-19 | 2024-03-15 | CSGP | Ruggles Lisa | Senior VP, Gbl Ops | F - Tax | $87.87 | -666 | 192.6K | -0.3% | -$58.5K | |
| MI | 2024-03-14 | 2024-03-12 | CSGP | Wheeler Scott T | CFO | G - Gift | $0.00 | +1,187 | 2,076 | +134% | $0 |
| 2024-03-14 | 2024-03-12 | CSGP | Wheeler Scott T | CFO | G - Gift | $0.00 | -1,187 | 311.9K | -0.4% | $0 | |
| 2024-03-05 | 2024-03-01 | CSGP | FLORANCE ANDREW C | Pres, CEO, Dir | F - Tax | $87.03 | -24.2K | 1.25M | -2% | -$2.11M | |
| 2024-03-05 | 2024-03-01 | CSGP | Wheeler Scott T | CFO | F - Tax | $87.03 | -10.1K | 313.0K | -3% | -$880.8K | |
| 2024-03-05 | 2024-03-01 | CSGP | Wheeler Scott T | CFO | A - Grant | — | +21.3K | 323.2K | +7% | — | |
| 2024-03-05 | 2024-03-01 | CSGP | Ruggles Lisa | Senior VP, Gbl Ops | F - Tax | $87.03 | -6,091 | 193.3K | -3% | -$530.1K | |
| 2024-03-05 | 2024-03-01 | CSGP | DESMARAIS MICHAEL J | CHRO | A - Grant | — | +6,924 | 72.0K | +11% | — | |
| 2024-03-05 | 2024-03-01 | CSGP | DESMARAIS MICHAEL J | CHRO | F - Tax | $87.03 | -1,829 | 70.2K | -3% | -$159.2K | |
| 2024-03-05 | 2024-03-01 | CSGP | SIMURO FRANK | CTO | F - Tax | $87.03 | -6,091 | 395.6K | -2% | -$530.1K | |
| 2024-03-05 | 2024-03-01 | CSGP | Boxer Gene | GC, Sec | F - Tax | $87.03 | -1,238 | 43.7K | -3% | -$107.7K | |
| 2024-03-05 | 2024-03-01 | CSGP | Boxer Gene | GC, Sec | A - Grant | — | +8,694 | 44.9K | +24% | — | |
| 2024-03-05 | 2024-03-01 | CSGP | SAINT FREDERICK G. | Pres, Marketplaces | F - Tax | $87.03 | -6,351 | 285.4K | -2% | -$552.7K | |
| 2024-02-26 | 2024-02-22 | CSGP | Boxer Gene | GC, Sec | A - Grant | $0.00 | +18.2K | 36.2K | +101% | $0 | |
| D | 2024-02-26 | 2024-02-22 | CSGP | SIMURO FRANK | CTO | A - Grant | $0.00 | +126.5K | 401.7K | +46% | $0 |
| D | 2024-02-26 | 2024-02-22 | CSGP | SIMURO FRANK | CTO | D - Sale to Iss | $0.00 | -7,200 | 279.8K | -3% | $0 |
| D | 2024-02-26 | 2024-02-22 | CSGP | SIMURO FRANK | CTO | F - Tax | $83.98 | -4,527 | 275.2K | -2% | -$380.2K |
| D | 2024-02-26 | 2024-02-22 | CSGP | Ruggles Lisa | Senior VP, Gbl Ops | D - Sale to Iss | $0.00 | -7,200 | 146.2K | -5% | $0 |
| D | 2024-02-26 | 2024-02-22 | CSGP | Ruggles Lisa | Senior VP, Gbl Ops | F - Tax | $83.98 | -4,428 | 141.8K | -3% | -$371.9K |
| D | 2024-02-26 | 2024-02-22 | CSGP | Ruggles Lisa | Senior VP, Gbl Ops | A - Grant | $0.00 | +57.6K | 199.4K | +41% | $0 |
| D | 2024-02-26 | 2024-02-22 | CSGP | SAINT FREDERICK G. | Pres, Marketplaces | A - Grant | $0.00 | +69.2K | 291.7K | +31% | $0 |
| D | 2024-02-26 | 2024-02-22 | CSGP | SAINT FREDERICK G. | Pres, Marketplaces | D - Sale to Iss | $0.00 | -8,000 | 227.4K | -3% | $0 |
| D | 2024-02-26 | 2024-02-22 | CSGP | SAINT FREDERICK G. | Pres, Marketplaces | F - Tax | $83.98 | -4,881 | 222.5K | -2% | -$409.9K |
| D | 2024-02-26 | 2024-02-22 | CSGP | FLORANCE ANDREW C | Pres, CEO, Dir | A - Grant | $0.00 | +367.8K | 1.27M | +41% | $0 |
| D | 2024-02-26 | 2024-02-22 | CSGP | FLORANCE ANDREW C | Pres, CEO, Dir | D - Sale to Iss | $0.00 | -31.2K | 926.8K | -3% | $0 |
| D | 2024-02-26 | 2024-02-22 | CSGP | FLORANCE ANDREW C | Pres, CEO, Dir | F - Tax | $83.98 | -22.1K | 904.8K | -2% | -$1.85M |
| 2024-02-26 | 2024-02-22 | CSGP | Wheeler Scott T | CFO | D - Sale to Iss | $0.00 | -10.4K | 307.2K | -3% | $0 | |
| 2024-02-26 | 2024-02-22 | CSGP | Wheeler Scott T | CFO | F - Tax | $83.98 | -5,347 | 301.9K | -2% | -$449.0K | |
| 2024-02-26 | 2024-02-22 | CSGP | DESMARAIS MICHAEL J | CHRO | A - Grant | $0.00 | +17.0K | 65.1K | +35% | $0 | |
| 2024-02-20 | 2024-02-15 | CSGP | SAINT FREDERICK G. | Pres, Marketplaces | F - Tax | $82.32 | -2,349 | 235.4K | -1.0% | -$193.4K | |
| 2024-02-20 | 2024-02-15 | CSGP | Wheeler Scott T | CFO | F - Tax | $82.32 | -3,462 | 317.6K | -1% | -$285.0K | |
| 2024-02-20 | 2024-02-15 | CSGP | FLORANCE ANDREW C | Pres, CEO, Dir | F - Tax | $82.32 | -16.3K | 958.0K | -2% | -$1.34M | |
| 2024-02-20 | 2024-02-15 | CSGP | SIMURO FRANK | CTO | F - Tax | $82.32 | -4,233 | 287.0K | -1% | -$348.5K | |
| 2024-02-20 | 2024-02-15 | CSGP | Ruggles Lisa | Senior VP, Gbl Research | F - Tax | $82.32 | -2,367 | 153.4K | -2% | -$194.9K | |
| 2023-12-01 | 2023-11-29 | CSGP | KLEIN MICHAEL R | Dir | G - Gift | $0.00 | -60.0K | 2.00M | -3% | $0 | |
| 2023-11-29 | 2023-11-28 | CSGP | Hill John W | Dir | S - Sale | $84.07 | -3,020 | 17.9K | -14% | -$253.9K | |
| 2023-11-09 | 2023-11-08 | CSGP | NASSETTA CHRISTOPHER J | Dir | S - Sale | $77.86 | -1,500 | 273.6K | -0.5% | -$116.8K | |
| 2023-11-01 | 2023-10-30 | CSGP | Glosserman Michael J | Dir | A - Grant | $0.00 | +3,913 | 101.5K | +4% | $0 | |
| 2023-11-01 | 2023-10-30 | CSGP | Musslewhite Robert W | Dir | A - Grant | $0.00 | +3,532 | 11.9K | +42% | $0 | |
| 2023-11-01 | 2023-10-30 | CSGP | Hill John W | Dir | A - Grant | $0.00 | +3,956 | 20.9K | +23% | $0 | |
| 2023-11-01 | 2023-10-30 | CSGP | KLEIN MICHAEL R | Dir | A - Grant | $0.00 | +4,055 | 2.06M | +0.2% | $0 | |
| 2023-11-01 | 2023-10-30 | CSGP | Sams Louise S | Dir | A - Grant | $0.00 | +3,744 | 12.6K | +42% | $0 | |
| 2023-11-01 | 2023-10-30 | CSGP | Kaplan Laura Cox | Dir | A - Grant | $0.00 | +3,702 | 14.4K | +35% | $0 | |
| 2023-11-01 | 2023-10-30 | CSGP | NASSETTA CHRISTOPHER J | Dir | A - Grant | $0.00 | +4,055 | 275.1K | +1% | $0 | |
| 2023-11-01 | 2023-10-30 | CSGP | Brunner Angelique G. | Dir | A - Grant | $0.00 | +3,532 | 3,532 | New | $0 | |
| 2023-10-02 | 2023-10-01 | CSGP | DESMARAIS MICHAEL J | CHRO | F - Tax | $76.89 | -1,663 | 44.3K | -4% | -$127.9K | |
| 2023-06-30 | 2023-06-30 | CSGP | Ruggles Lisa | Senior VP, Gbl Research | S - Sale | $91.42 | -30.5K | 156.2K | -16% | -$2.79M | |
| 2023-06-30 | 2023-06-28 | CSGP | Wheeler Scott T | CFO | S - Sale | $89.30 | -21.5K | 324.7K | -6% | -$1.92M | |
| 2023-06-28 | 2023-06-27 | CSGP | SIMURO FRANK | CTO | S - Sale | $89.65 | -92.3K | 264.5K | -26% | -$8.27M | |
| 2023-06-28 | 2023-06-26 | CSGP | Hill John W | Dir | S - Sale | $86.57 | -1,500 | 16.9K | -8% | -$129.9K | |
| 2023-06-14 | 2023-06-12 | CSGP | Wheeler Scott T | CFO | S - Sale | $80.68 | -24.7K | 346.2K | -7% | -$1.99M | |
| 2023-06-09 | 2023-06-07 | CSGP | SAINT FREDERICK G. | Pres, Marketplaces | S - Sale | $80.24 | -30.0K | 237.9K | -11% | -$2.41M | |
| 2023-06-05 | 2023-06-01 | CSGP | Ruggles Lisa | Senior VP, Gbl Research | F - Tax | $79.40 | -11 | 186.7K | -0.0% | -$873.40 | |
| 2023-05-25 | 2023-05-23 | CSGP | KLEIN MICHAEL R | Dir | G - Gift | $0.00 | -3,977 | 2.06M | -0.2% | $0 | |
| MI | 2023-05-05 | 2023-05-02 | CSGP | Wheeler Scott T | CFO | G - Gift | $0.00 | +1,341 | 1,661 | +419% | $0 |
| 2023-05-05 | 2023-05-02 | CSGP | Wheeler Scott T | CFO | G - Gift | $0.00 | -5,051 | 367.2K | -1% | $0 | |
| D | 2023-05-02 | 2023-04-28 | CSGP | FLORANCE ANDREW C | Pres, CEO, Dir | S - Sale+OE | $76.77 | -360.5K | 974.3K | -27% | -$27.68M |
| D | 2023-05-02 | 2023-04-28 | CSGP | FLORANCE ANDREW C | Pres, CEO, Dir | M - OptEx | $18.28 | +360.5K | 1.33M | +37% | +$6.59M |
| 2023-04-04 | 2023-03-31 | CSGP | Hill John W | Dir | S - Sale | $68.50 | -2,300 | 18.4K | -11% | -$157.6K | |
| DM | 2023-03-21 | 2023-03-17 | CSGP | SIMURO FRANK | CTO | M - OptEx | $21.19 | +23.6K | 349.0K | +7% | +$499.8K |
| 2023-03-17 | 2023-03-15 | CSGP | SAINT FREDERICK G. | Pres, Marketplaces | F - Tax | $67.62 | -10.7K | 267.9K | -4% | -$726.4K | |
| 2023-03-17 | 2023-03-15 | CSGP | Boxer Gene | GC, Sec | F - Tax | $67.62 | -371 | 18.0K | -2% | -$25.1K | |
| 2023-03-17 | 2023-03-15 | CSGP | FLORANCE ANDREW C | Pres, CEO, Dir | A - Grant | — | +37.8K | 983.6K | +4% | — |
Purchase Sale Sale after option exercise All abbreviations