COSTAR GROUP INC (CSGP) Stock Ownership
NASDAQ:CSGP • US22160N1090
Current stock price
42.9 USD
+0.08 (+0.19%)
At close:
43.07 USD
+0.17 (+0.4%)
After Hours:
CSGP Ownership information
| Shares Outstanding | 419.79M |
| Float | 414.72M |
| Float Short Interest Percentage | 6.31% |
| Owners (insider) | 0.64% |
| Owners (institutional) | 104.8% |
| Owners (insider) change | -1.53% |
| Owners (institutional) change | 1.95% |
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Mar 15, 2026 | Ruggles Lisa | Option Excercise | 2977 | 43.63 | $ 129,886.51 |
| Mar 15, 2026 | Boxer Gene | Option Excercise | 428 | 43.63 | $ 18,673.64 |
| Mar 15, 2026 | SIMURO FRANK | Option Excercise | 11107 | 43.63 | $ 484,598.41 |
| Mar 15, 2026 | DESMARAIS MICHAEL J | Option Excercise | 2873 | 43.63 | $ 125,348.99 |
| Mar 15, 2026 | Cann Cynthia Cammett | Option Excercise | 1194 | 43.63 | $ 52,094.22 |
| Mar 15, 2026 | Boxer Gene | Option Excercise | 482 | 43.63 | $ 21,029.66 |
| Mar 10, 2026 | Cann Cynthia Cammett | Grant | 4374 | $ 0.00 | |
| Mar 10, 2026 | FLORANCE ANDREW C | Grant | 124162 | $ 0.00 | |
| Mar 10, 2026 | LOWN CHRISTIAN M. | Grant | 12268 | $ 0.00 | |
| Mar 10, 2026 | Boxer Gene | Grant | 21920 | $ 0.00 | |
| Mar 10, 2026 | DESMARAIS MICHAEL J | Grant | 17676 | $ 0.00 | |
| Mar 6, 2026 | Sams Louise S | Open Market Purchase | 1000 | 48.36 | $ 48,360.00 |
| Mar 2, 2026 | Glaser Rachel C | Open Market Purchase | 1000 | 44.94 | $ 44,940.00 |
| Mar 2, 2026 | SAINT FREDERICK G. | Open Market Purchase | 20000 | 45.33 | $ 906,600.00 |
| Mar 1, 2026 | SAINT FREDERICK G. | Option Excercise | 11096 | 44.63 | $ 495,214.48 |
| Mar 1, 2026 | LOWN CHRISTIAN M. | Option Excercise | 7175 | 44.63 | $ 320,220.25 |
| Mar 1, 2026 | FLORANCE ANDREW C | Option Excercise | 59593 | 44.63 | $ 2,659,635.59 |
| Mar 1, 2026 | Boxer Gene | Option Excercise | 4547 | 44.63 | $ 202,932.61 |
| Mar 1, 2026 | Ruggles Lisa | Option Excercise | 8931 | 44.63 | $ 398,590.53 |
| Mar 1, 2026 | SIMURO FRANK | Option Excercise | 18702 | 44.63 | $ 834,670.26 |
| Mar 1, 2026 | DESMARAIS MICHAEL J | Option Excercise | 6353 | 44.63 | $ 283,534.39 |
| Mar 1, 2026 | Cann Cynthia Cammett | Option Excercise | 1385 | 44.63 | $ 61,812.55 |
| Feb 27, 2026 | FLORANCE ANDREW C | Open Market Purchase | 55720 | 44.52 | $ 2,480,654.40 |
| Feb 19, 2026 | SIMURO FRANK | Other Disposition | 30727 | 0.00 | $ 0.00 |
| Feb 19, 2026 | SIMURO FRANK | Option Excercise | 4421 | 49.07 | $ 216,938.47 |
| Feb 19, 2026 | SAINT FREDERICK G. | Other Disposition | 17583 | 0.00 | $ 0.00 |
| Feb 19, 2026 | SAINT FREDERICK G. | Option Excercise | 2149 | 49.07 | $ 105,451.43 |
| Feb 19, 2026 | FLORANCE ANDREW C | Other Disposition | 104983 | 0.00 | $ 0.00 |
| Feb 19, 2026 | FLORANCE ANDREW C | Option Excercise | 19221 | 49.07 | $ 943,174.47 |
| Feb 19, 2026 | Ruggles Lisa | Other Disposition | 17583 | 0.00 | $ 0.00 |
| Feb 19, 2026 | Ruggles Lisa | Option Excercise | 3219 | 49.07 | $ 157,956.33 |
| Feb 15, 2026 | SAINT FREDERICK G. | Option Excercise | 2424 | 44.99 | $ 109,055.76 |
| Feb 15, 2026 | SIMURO FRANK | Option Excercise | 4151 | 44.99 | $ 186,753.49 |
| Feb 15, 2026 | FLORANCE ANDREW C | Option Excercise | 17482 | 44.99 | $ 786,515.18 |
| Feb 15, 2026 | Ruggles Lisa | Option Excercise | 3576 | 44.99 | $ 160,884.24 |
| Nov 13, 2025 | Hill John W | Open Market Sale | 2250 | 68.68 | $ 154,530.00 |
| Nov 13, 2025 | Cann Cynthia Cammett | Open Market Sale | 1841 | 68.79 | $ 126,642.39 |
| Sep 9, 2025 | McCarthy Christine M | Grant | 2973 | 0.00 | $ 0.00 |
| Sep 9, 2025 | Sams Louise S | Grant | 3291 | 0.00 | $ 0.00 |
| Sep 9, 2025 | BERISFORD JOHN L | Grant | 2973 | 0.00 | $ 0.00 |
| Sep 9, 2025 | Hill John W | Grant | 3177 | 0.00 | $ 0.00 |
| Sep 9, 2025 | Musslewhite Robert W | Grant | 3121 | 0.00 | $ 0.00 |
| Sep 9, 2025 | Glaser Rachel C | Grant | 3143 | 0.00 | $ 0.00 |
| Sep 9, 2025 | Brunner Angelique G. | Grant | 3143 | 0.00 | $ 0.00 |
| Aug 28, 2025 | SAINT FREDERICK G. | Open Market Sale | 25000 | 90.33 | $ 2,258,250.00 |
| Aug 1, 2025 | SAINT FREDERICK G. | Option Excercise | 1436 | 95.19 | $ 136,692.84 |
| Aug 1, 2025 | Cann Cynthia Cammett | Option Excercise | 719 | 95.19 | $ 68,441.61 |
| Jul 28, 2025 | SAINT FREDERICK G. | Open Market Sale | 25000 | 93.23 | $ 2,330,750.00 |
| Jul 28, 2025 | Cann Cynthia Cammett | Open Market Sale | 2033 | 92.85 | $ 188,764.05 |
| Jul 1, 2025 | LOWN CHRISTIAN M. | Option Excercise | 4666 | 80.40 | $ 375,146.40 |
| Jun 15, 2025 | Cann Cynthia Cammett | Option Excercise | 461 | 81.16 | $ 37,414.76 |
| Jun 11, 2025 | SAINT FREDERICK G. | Open Market Sale | 25000 | 81.10 | $ 2,027,500.00 |
| Jun 1, 2025 | Ruggles Lisa | Option Excercise | 12 | 73.56 | $ 882.72 |