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CoStar Group Insider Trading Activity | NASDAQ:CSGP | Benzinga
Track the latest CoStar Group insider trading activity. Stay informed on recent buys, sells, and market impact for CoStar Group stock.
What is Insider Activity?
Insider trading activity involves company insiders, such as executives, directors, and employees, engaging in transactions of their own company's stock. Insiders' buy and sell transactions provide valuable insights into their confidence in the company's future performance.
What are CoStar Group Inc Insiders Doing?
At CoStar Group Inc, recent insider activity has drawn attention. Over the last 30 days, insiders have reported selling a total of 4.26K shares worth $334.26K, meanwhile, insiders have report no purchases in the last 30 days.
Notable Recent Insider Buys and Sales
- On March 14, 2025, Cammett Cynthia Cann, the company's CHIEF ACCOUNTING OFFICER sold 4.26K shares for $78.48 each.
Ownership Statistics for CoStar Group Inc
Shares Outstanding
421.763M
Insider Shares Owned
6.201M
Insider Percentage Owned
1.47%
Institutional Shares Held
349.125M
Institutional Percentage Held
82.8%
| Mar 14, 2025 | Cammett Cynthia Cann | CHIEF ACCOUNTING OFFICER | -4.26K | $78.48 | -$334.26K | SELL | -12.63% | 29.46K | Jul 31 - Mar 10 | View |
| Dec 12, 2024 | John Hill | DIRECTOR | -2.93K | $76.76 | -$209.94K | SELL | -14.48% | 17.30K | Dec 10 | View |
| Dec 02, 2024 | CHRISTOPHER NASSETTA | DIRECTOR | -1.68K | $80.39 | -$135.14K | SELL | -0.61% | 275.71K | Nov 27 | View |
| Nov 27, 2024 | MICHAEL DESMARAIS | CHIEF HUMAN RESOURCES OFFICER | -5.50K | $79.88 | -$439.34K | SELL | -8.55% | 58.80K | Nov 26 | View |
| Oct 28, 2024 | MICHAEL KLEIN | DIRECTOR | -77.50K | $74.69 | -$5.35M | SELL | -3.89% | 1.91M | Oct 25 | View |
| Oct 28, 2024 | ANDREW FLORANCE | PRESIDENT AND CEO | 14.73K | $74.67 | $1.10M | BUY | 1.18% | 1.26M | Oct 25 | View |
| Aug 01, 2024 | John Hill | DIRECTOR | -1.32K | $78.16 | -$103.56K | SELL | -7.41% | 16.55K | Jul 30 | View |
| May 17, 2024 | FREDERICK SAINT | PRESIDENT, MARKETPLACES | -2.50K | $88.43 | -$221.08K | SELL | -0.88% | 282.86K | May 16 | View |
| May 10, 2024 | Lisa Ruggles | SENIOR VP, GLOBAL OPERATIONS | -20.00K | $91.15 | -$1.82M | SELL | -10.38% | 172.62K | May 09 | View |
| Apr 30, 2024 | MICHAEL DESMARAIS | CHIEF HUMAN RESOURCES OFFICER | -3.80K | $92.67 | -$352.15K | SELL | -5.60% | 64.09K | Apr 26 | View |
| Apr 30, 2024 | Scott Wheeler | CHIEF FINANCIAL OFFICER | 0.00 | $75.32 | -$4.24M | SELL-OPTIONS | 0.00% | 304.96K | Apr 26 | View |
| Nov 29, 2023 | John Hill | DIRECTOR | -3.02K | $84.07 | -$253.89K | SELL | -14.46% | 17.87K | Nov 28 | View |
| Nov 09, 2023 | CHRISTOPHER NASSETTA | DIRECTOR | -1.50K | $77.86 | -$116.79K | SELL | -0.55% | 273.62K | Nov 08 | View |
| Jun 30, 2023 | Scott Wheeler | CHIEF FINANCIAL OFFICER | -21.53K | $89.30 | -$1.92M | SELL | -6.20% | 325.84K | Jun 28 | View |
| Jun 30, 2023 | Lisa Ruggles | SENIOR VP, GLOBAL RESEARCH | -30.47K | $91.42 | -$2.79M | SELL | -16.32% | 156.21K | Jun 30 | View |
| Jun 28, 2023 | FRANK SIMURO | CHIEF TECHNOLOGY OFFICER | -92.30K | $89.65 | -$8.27M | SELL | -25.87% | 264.48K | Jun 27 | View |
| Jun 28, 2023 | John Hill | DIRECTOR | -1.50K | $86.57 | -$129.85K | SELL | -8.14% | 16.93K | Jun 26 | View |
| Jun 14, 2023 | Scott Wheeler | CHIEF FINANCIAL OFFICER | -24.67K | $80.68 | -$1.99M | SELL | -6.63% | 347.37K | Jun 12 | View |
| Jun 09, 2023 | FREDERICK SAINT | PRESIDENT, MARKETPLACES | -30.00K | $80.24 | -$2.41M | SELL | -11.20% | 237.89K | Jun 07 | View |
| May 02, 2023 | ANDREW FLORANCE | PRESIDENT AND CEO | 0.00 | $47.52 | -$21.09M | SELL-OPTIONS | 0.00% | 974.31K | Apr 28 | View |
| Apr 04, 2023 | John Hill | DIRECTOR | -2.30K | $68.50 | -$157.55K | SELL | -11.09% | 18.43K | Mar 31 | View |
| Mar 09, 2023 | MICHAEL DESMARAIS | CHIEF HUMAN RESOURCES OFFICER | -5.60K | $70.36 | -$394.02K | SELL | -11.10% | 44.85K | Mar 08 | View |
| Mar 03, 2023 | FRANK SIMURO | CHIEF TECHNOLOGY OFFICER | -6.08K | $40.20 | -$2.54M | SELL | -1.77% | 337.58K | Mar 01 | View |
| Nov 04, 2022 | John Hill | DIRECTOR | -3.65K | $78.92 | -$288.06K | SELL | -14.97% | 20.73K | Nov 03 | View |
| Oct 31, 2022 | MICHAEL DESMARAIS | CHIEF HUMAN RESOURCES OFFICER | -1.30K | $82.81 | -$107.32K | SELL | -3.39% | 36.90K | Oct 28 | View |
| Aug 11, 2022 | John Hill | DIRECTOR | -1.40K | $74.49 | -$104.29K | SELL | -6.36% | 20.60K | Aug 10 | View |
| Aug 09, 2022 | Michael Rosenthall Attorney-in-Fact | DIRECTOR | -150.00K | $72.42 | -$10.86M | SELL | -6.74% | 2.07M | Aug 05 | View |
| Aug 05, 2022 | MICHAEL DESMARAIS | CHIEF HUMAN RESOURCES OFFICER | -2.00K | $72.51 | -$145.02K | SELL | -4.81% | 39.62K | Aug 03 | View |
| May 26, 2022 | John W Hill | DIRECTOR | -1.75K | $57.07 | -$99.87K | SELL | -7.37% | 22.00K | May 24 | View |
| May 04, 2022 | MICHAEL DESMARAIS | CHIEF HUMAN RESOURCES OFFICER | -1.00K | $63.14 | -$63.14K | SELL | -2.35% | 41.62K | May 02 | View |
| Mar 03, 2022 | Lisa Ruggles | SENIOR VP, GLOBAL RESEARCH | -24.49K | $60.01 | -$1.47M | SELL | -13.16% | 161.60K | Mar 01 - Mar 02 | View |
| Nov 15, 2021 | Scott Wheeler | CHIEF FINANCIAL OFFICER | -85.00 | $81.72 | -$6.95K | SELL | -5.82% | 1.38K | Nov 11 | View |
| Nov 12, 2021 | CHRISTOPHER NASSETTA | DIRECTOR | -2.12K | $83.21 | -$176.41K | SELL | -0.79% | 267.18K | Nov 10 | View |
| Nov 08, 2021 | Cox Laura Kaplan | DIRECTOR | -4.04K | $83.29 | -$336.49K | SELL | -36.14% | 7.14K | Nov 05 | View |
| Nov 02, 2021 | John Hill | DIRECTOR | -9.23K | $86.97 | -$803.17K | SELL | -27.85% | 23.92K | Oct 29 | View |
| Aug 11, 2021 | John Hill | DIRECTOR | -6.35K | $85.77 | -$528.31K | SELL | -17.46% | 30.01K | Mar 26 - Aug 09 | View |
| May 03, 2021 | Cox Laura Kaplan | DIRECTOR | -1.06K | $869.03 | -$922.91K | SELL | -56.13% | 830.00 | Apr 30 | View |
| Mar 25, 2021 | FREDERICK SAINT | PRESIDENT, MARKETPLACES | 0.00 | $562.68 | -$4.21M | SELL-OPTIONS | 0.00% | 24.16K | Mar 23 | View |
| Mar 17, 2021 | Scott Wheeler | CHIEF FINANCIAL OFFICER | -260.00 | $603.13 | -$4.10M | SELL | -78.08% | 73.00 | Mar 08 - Mar 16 | View |
| Mar 11, 2021 | ANDREW FLORANCE | PRESIDENT AND CEO | -19.57K | $818.37 | -$16.02M | SELL | -20.46% | 76.08K | Mar 10 | View |
| Sep 03, 2020 | Lisa Ruggles | — | -3.26K | $606.07 | -$5.13M | OPTION EXERCISE | -18.41% | 14.46K | Sep 02 | View |
| Aug 28, 2020 | ANDREW FLORANCE | — | 0.00 | $521.80 | -$20.45M | OPTION EXERCISE | 0.00% | 107.12K | Aug 26 - Aug 27 | View |
| Aug 13, 2020 | Matthew Linnington | — | -2.42K | $826.32 | -$2.00M | SELL | -10.90% | 19.77K | Aug 12 | View |
| Aug 05, 2020 | Scott Wheeler | — | -3.70K | $545.57 | -$7.73M | GIFT | -99.04% | 36.00 | Aug 04 | View |
| May 08, 2020 | MICHAEL KLEIN | — | -16.50K | $639.18 | -$9.59M | GIFT | -6.66% | 231.41K | May 04 - May 07 | View |
FAQ
Is insider trading legal?
Insider trading is legal so long as the insiders report those trades to the SEC. Illegal securities trading occurs when the insider is violating a fiduciary duty or fails to report their trades.
What are some examples of market manipulation?
Insider trading, pump and dump schemes, front running and wash trades are all examples of market manipulation. Investors who track insider asset movement should think carefully about why these insiders are trading their stocks before moving forward.
Browse insider trades on all stocks.