Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-08-07 Sale | 2026-08-10 4:06 pm | COSTAR GROUP INC. | CSGP | Cann Cynthia Cammett Chief Accounting Officer | 4,788 | $30.78 | $147,375 | 18,822 (Direct) | View |
| 2025-11-13 Sale | 2025-11-17 4:03 pm | COSTAR GROUP INC. | CSGP | Cann Cynthia Cammett Chief Accounting Officer | 1,841 | $68.79 | $126,642 | 23,211 (Direct) | View |
| 2025-07-28 Sale | 2025-07-29 4:21 pm | COSTAR GROUP INC. | CSGP | Cann Cynthia Cammett Chief Accounting Officer | 2,033 | $92.85 | $188,764 | 25,771 (Direct) | View |
| 2024-07-31 Sale | 2025-03-14 4:47 pm | COSTAR GROUP INC. | CSGP | Cann Cynthia Cammett Chief Accounting Officer | 4,259 | $78.48 | $334,259 | 29,456 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-08-01 Tax Withholding | 2026-08-04 5:24 pm | N/A N/A | COSTAR GROUP INC. | CSGP | Cann Cynthia Cammett Chief Accounting Officer | 1,077 | $28.76 | 49,688 (Direct) | View |
| 2026-07-31 Option Award | 2026-08-04 5:24 pm | N/A N/A | COSTAR GROUP INC. | CSGP | Cann Cynthia Cammett Chief Accounting Officer | 26,078 | $0 | 49,688 (Direct) | View |
| 2026-06-15 Tax Withholding | 2026-06-16 5:32 pm | N/A N/A | COSTAR GROUP INC. | CSGP | Cann Cynthia Cammett Chief Accounting Officer | 461 | $32.04 | 24,687 (Direct) | View |
| 2026-03-15 Tax Withholding | 2026-03-17 4:12 pm | N/A N/A | COSTAR GROUP INC. | CSGP | Cann Cynthia Cammett Chief Accounting Officer | 1,194 | $43.63 | 25,148 (Direct) | View |
| 2026-03-10 Option Award | 2026-03-11 5:18 pm | N/A N/A | COSTAR GROUP INC. | CSGP | Cann Cynthia Cammett Chief Accounting Officer | 4,374 | $0 | 26,342 (Direct) | View |
| 2026-03-01 Tax Withholding | 2026-03-03 7:06 pm | N/A N/A | COSTAR GROUP INC. | CSGP | Cann Cynthia Cammett Chief Accounting Officer | 1,385 | $44.63 | 28,802 (Direct) | View |
| 2026-02-27 Option Award | 2026-03-03 7:06 pm | N/A N/A | COSTAR GROUP INC. | CSGP | Cann Cynthia Cammett Chief Accounting Officer | 6,834 | $0 | 28,802 (Direct) | View |
| 2025-08-01 Tax Withholding | 2025-08-05 4:23 pm | N/A N/A | COSTAR GROUP INC. | CSGP | Cann Cynthia Cammett Chief Accounting Officer | 719 | $95.19 | 25,052 (Direct) | View |
| 2025-06-15 Tax Withholding | 2025-06-17 6:08 pm | N/A N/A | COSTAR GROUP INC. | CSGP | Cann Cynthia Cammett Chief Accounting Officer | 461 | $81.16 | 27,804 (Direct) | View |
| 2025-03-15 Tax Withholding | 2025-03-18 8:34 pm | N/A N/A | COSTAR GROUP INC. | CSGP | Cann Cynthia Cammett Chief Accounting Officer | 1,191 | $78.73 | 28,265 (Direct) | View |
| 2025-03-05 Option Award | 2025-03-07 6:06 pm | N/A N/A | COSTAR GROUP INC. | CSGP | Cann Cynthia Cammett Chief Accounting Officer | 1,498 | $0 | 33,715 (Direct) | View |
| 2025-03-01 Tax Withholding | 2025-03-03 7:10 pm | N/A N/A | COSTAR GROUP INC. | CSGP | Cann Cynthia Cammett Chief Accounting Officer | 813 | $76.25 | 32,217 (Direct) | View |
| 2025-02-27 Option Award | 2025-03-03 7:10 pm | N/A N/A | COSTAR GROUP INC. | CSGP | Cann Cynthia Cammett Chief Accounting Officer | 4,035 | $0 | 32,217 (Direct) | View |
| 2024-07-26 Option Award | 2024-07-30 4:12 pm | N/A N/A | COSTAR GROUP INC. | CSGP | Cann Cynthia Cammett Chief Accounting Officer | 9,553 | $0 | 28,995 (Direct) | View |
Ownership | 2024-07-18 4:07 pm | N/A N/A | COSTAR GROUP INC. | CSGP | Cann Cynthia Cammett Chief Accounting Officer | 0 | $0 | 19,442 (Direct) | View |