Company · CIK 0001057352 · SIC 7389 — Services-Business Services, NEC · Nasdaq
COSTAR GROUP, INC. · CSGP
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Mar 11, 2017 FForm 4 → | Mar 14, 5:23 pm EDT | Francis CarchediExecutive VP, Corp. Dev. | 695 | $205.18 | $142,600 | 25,013 | — | plan? |
| Mar 6, 2017 SForm 4 → | Mar 7, 4:43 pm EST | Francis CarchediExecutive VP, Corp. Dev. | 2,448 | $205.30 | $502,574 | 25,708 | −8.69% | plan? |
| Mar 5, 2017 FForm 4 → | Mar 7, 4:44 pm EST | Andrew C FlorancePresident and CEO, Director | 3,205 | $206.13 | $660,647 | 151,954 | — | plan? |
| Mar 5, 2017 FForm 4 → | Mar 7, 4:43 pm EST | Francis CarchediExecutive VP, Corp. Dev. | 848 | $206.13 | $174,798 | 28,156 | — | plan? |
| Mar 5, 2017 FForm 4 → | Mar 7, 4:42 pm EST | Matthew LinningtonExecutive VP, Sales | 548 | $206.13 | $112,959 | 29,930 | — | plan? |
| Mar 2, 2017 AForm 4 → | Mar 2, 6:17 pm EST | Matthew LinningtonExecutive VP, Sales | 10,040 | — | — | 30,478 | — | plan? |
| Mar 2, 2017 AForm 4 → | Mar 2, 6:16 pm EST | Scott T WheelerChief Financial Officer | 12,500 | — | — | 24,085 | — | plan? |
| Mar 2, 2017 SForm 4 → | Mar 2, 6:15 pm EST | Francis CarchediExecutive VP, Corp. Dev. | 4,500 | $204.98 | $922,410 | 29,004 | −13.4% | plan? |
| Mar 2, 2017 SForm 4 → | Mar 2, 6:14 pm EST | Andrew C FlorancePresident and CEO, Director | 26,271 | $205.31 | $5,393,699 | 155,159 | −14.5% | plan? |
| Feb 28, 2017 ADFMForm 4 → | Mar 2, 6:15 pm EST | Francis CarchediExecutive VP, Corp. Dev. | 14,252 | $77.64 | $459,242 | 33,504 | — | plan? |
| Feb 28, 2017 ADFForm 4 → | Mar 2, 6:14 pm EST | Andrew C FlorancePresident and CEO, Director | 38,152 | $205.77 | $1,070,231 | 181,430 | — | plan? |
| Jan 11, 2017 FForm 4 → | Jan 11, 6:01 pm EST | Scott T WheelerChief Financial Officer | 1,185 | $194.20 | $230,127 | 11,585 | — | plan? |
| Oct 31, 2016 SForm 4 → | Nov 1, 5:38 pm EDT | Christopher J NassettaDirector | 575 | $187.67 | $107,913 | 25,835 | −2.18% | plan? |
| Oct 31, 2016 SForm 4 → | Nov 1, 5:36 pm EDT | Matthew LinningtonExecutive VP, Sales | 1,060 | $188.31 | $199,609 | 20,438 | −4.93% | plan? |
| Sep 15, 2016 AForm 4 → | Sep 15, 6:45 pm EDT | Warren H HaberDirector | 897 | — | — | 119,905 | — | plan? |
| Sep 15, 2016 AForm 4 → | Sep 15, 6:45 pm EDT | David Jay SteinbergDirector | 897 | — | — | 5,844 | — | plan? |
| Sep 15, 2016 AForm 4 → | Sep 15, 6:45 pm EDT | Michael J GlossermanDirector | 926 | — | — | 8,158 | — | plan? |
| Sep 15, 2016 AForm 4 → | Sep 15, 6:44 pm EDT | Laura Cox KaplanDirector | 855 | — | — | 855 | — | plan? |
| Sep 15, 2016 AForm 4 → | Sep 15, 6:44 pm EDT | Michael R KleinDirector | 926 | — | — | 330,469 | — | plan? |
| Sep 15, 2016 AForm 4 → | Sep 15, 6:44 pm EDT | John W HillDirector | 968 | — | — | 5,393 | — | plan? |
| Sep 15, 2016 AForm 4 → | Sep 15, 6:43 pm EDT | Christopher J NassettaDirector | 935 | — | — | 26,410 | — | plan? |
| Sep 11, 2016 FForm 4 → | Sep 13, 7:58 pm EDT | Matthew LinningtonExecutive VP, Sales | 883 | $205.69 | $181,624 | 21,498 | — | plan? |
| Aug 1, 2016 SForm 4 → | Aug 2, 5:00 pm EDT | Michael J GlossermanDirector | 5,000 | $206.33 | $1,031,650 | 7,232 | −40.9% | plan? |
| Jun 3, 2016 GMForm 4 → | Dec 29, 4:53 pm EST | Andrew C FlorancePresident and CEO, Director | 11,573 | $71.99 | $228,415 | 159,422 | — | plan? late |
| Mar 11, 2016 FForm 4/A → | May 2, 5:03 pm EDT | Francis CarchediExecutive VP, Operations | 1,195 | $182.75 | $218,386 | 23,996 | — | plan? |
| Mar 11, 2016 FForm 4/A → | May 2, 5:03 pm EDT | Andrew C FlorancePresident and CEO, Director | 5,700 | $182.75 | $1,041,675 | 164,649 | — | plan? |
| Mar 11, 2016 AForm 4 → | Mar 15, 5:58 pm EDT | Matthew LinningtonExecutive VP, Sales | 7,380 | — | — | 22,381 | — | plan? |
| Mar 11, 2016 AFForm 4 → | Mar 15, 5:58 pm EDT | Andrew C FlorancePresident and CEO, Director | 34,909 | $182.75 | $1,054,285 | 164,580 | — | plan? amended |
| Mar 11, 2016 AFForm 4 → | Mar 15, 5:57 pm EDT | Francis CarchediExecutive VP, Operations | 7,953 | $182.75 | $221,676 | 23,978 | — | plan? amended |
| Mar 5, 2016 FForm 4 → | Mar 8, 4:29 pm EST | Francis CarchediExecutive VP, Operations | 604 | $183.25 | $110,683 | 18,451 | — | plan? |
| Mar 5, 2016 FForm 4 → | Mar 8, 4:29 pm EST | Andrew C FlorancePresident and CEO, Director | 3,121 | $183.25 | $571,923 | 141,209 | — | plan? |
| Mar 5, 2016 FForm 4 → | Mar 8, 4:29 pm EST | Matthew LinningtonExecutive VP, Sales | 553 | $183.25 | $101,337 | 15,001 | — | plan? |
| Feb 28, 2016 FForm 4 → | Mar 1, 4:39 pm EST | Francis CarchediExecutive VP, Operations | 631 | $179.24 | $113,100 | 19,055 | — | plan? |
| Feb 28, 2016 FForm 4 → | Mar 1, 4:39 pm EST | Andrew C FlorancePresident and CEO, Director | 1,883 | $179.24 | $337,509 | 144,330 | — | plan? |
| Jan 11, 2016 AForm 4 → | Jan 12, 4:32 pm EST | Scott T WheelerChief Financial Officer | 12,770 | — | — | 12,770 | — | plan? |
| Dec 9, 2015 MForm 4 → | Dec 9, 5:05 pm EST | Andrew C FlorancePresident and CEO, Director | 10,086 | $46.74 | $471,400 | 146,213 | — | plan? |
| Dec 7, 2015 GForm 4 → | Dec 9, 5:04 pm EST | John W HillDirector | 300 | — | — | 4,425 | — | plan? |
| Nov 13, 2015 SForm 4 → | Nov 16, 5:01 pm EST | Francis CarchediExecutive VP, Operations | 3,414 | $201.65 | $688,433 | 19,686 | −14.8% | plan? |
| Nov 11, 2015 SForm 4 → | Nov 12, 4:43 pm EST | Andrew C FlorancePresident and CEO, Director | 17,612 | $205.10 | $3,612,221 | 136,127 | −11.5% | plan? |
| Sep 21, 2015 GForm 4 → | Nov 12, 4:43 pm EST | Andrew C FlorancePresident and CEO, Director | 6,015 | — | — | 153,739 | — | plan? late |
| Sep 11, 2015 FForm 4 → | Sep 15, 4:26 pm EDT | Matthew LinningtonExecutive VP, Sales | 883 | $179.24 | $158,269 | 15,554 | — | plan? |
| Sep 9, 2015 AForm 4 → | Sep 11, 4:28 pm EDT | Christopher J NassettaDirector | 1,117 | — | — | 25,475 | — | plan? |
| Sep 9, 2015 AForm 4 → | Sep 11, 4:28 pm EDT | Warren H HaberDirector | 1,072 | — | — | 119,008 | — | plan? |
| Sep 9, 2015 AForm 4 → | Sep 11, 4:28 pm EDT | Michael R KleinDirector | 1,105 | — | — | 329,543 | — | plan? |
| Sep 9, 2015 AForm 4 → | Sep 11, 4:28 pm EDT | Michael J GlossermanDirector | 1,105 | — | — | 12,232 | — | plan? |
| Sep 9, 2015 AForm 4 → | Sep 11, 4:28 pm EDT | John W HillDirector | 1,156 | — | — | 4,725 | — | plan? |
| Sep 9, 2015 AForm 4 → | Sep 11, 4:27 pm EDT | David Jay SteinbergDirector | 1,072 | — | — | 4,947 | — | plan? |
| Jun 15, 2015 SForm 4 → | Jun 16, 5:28 pm EDT | David Jay SteinbergDirector | 1,225 | $204.82 | $250,905 | 3,875 | −24.0% | plan? |
| Apr 1, 2015 FForm 4 → | Apr 2, 5:13 pm EDT | Francis CarchediExecutive VP, Operations | 504 | $197.66 | $99,621 | 23,100 | — | plan? |
| Mar 13, 2015 SForm 4 → | Mar 13, 5:07 pm EDT | Brian J RadeckiChief Financial Officer | 4,500 | $192.53 | $866,385 | 41,473 | −9.79% | plan? |
| Mar 11, 2015 FForm 4 → | Mar 13, 5:08 pm EDT | Francis CarchediExecutive VP, Operations | 1,036 | $191.03 | $197,907 | 23,604 | — | plan? |
| Mar 11, 2015 FMForm 4 → | Mar 13, 5:07 pm EDT | Brian J RadeckiChief Financial Officer | 5,874 | $122.95 | $722,195 | 45,973 | — | plan? |
| Mar 11, 2015 FForm 4 → | Mar 13, 5:06 pm EDT | Andrew C FlorancePresident and CEO, Director | 5,700 | $191.03 | $1,088,871 | 159,754 | — | plan? |
| Mar 9, 2015 SForm 4 → | Mar 9, 5:18 pm EDT | Francis CarchediExecutive VP, Operations | 5,910 | $191.05 | $1,129,106 | 24,640 | −19.3% | plan? |
| Mar 5, 2015 AForm 4 → | Mar 9, 5:18 pm EDT | Andrew C FlorancePresident and CEO, Director | 30,420 | — | — | 165,454 | — | plan? |
| Mar 5, 2015 AForm 4 → | Mar 9, 5:18 pm EDT | Francis CarchediExecutive VP, Operations | 8,120 | — | — | 30,550 | — | plan? |
| Mar 5, 2015 AForm 4 → | Mar 9, 5:18 pm EDT | Matthew LinningtonExecutive Vice President Sales | 6,940 | — | — | 16,437 | — | plan? |
| Mar 5, 2015 AForm 4 → | Mar 9, 5:17 pm EDT | Brian J RadeckiChief Financial Officer | 13,240 | — | — | 42,847 | — | plan? |
| Mar 2, 2015 SForm 4 → | Mar 3, 4:56 pm EST | Brian J RadeckiChief Financial Officer | 14,634 | $197.14 | $2,884,947 | 30,257 | −32.6% | plan? |
| Mar 2, 2015 SForm 4 → | Mar 3, 4:56 pm EST | Andrew C FlorancePresident and CEO, Director | 33,187 | $197.90 | $6,567,707 | 135,034 | −19.7% | plan? |
| Feb 28, 2015 FGMForm 4 → | Mar 3, 4:56 pm EST | Brian J RadeckiChief Financial Officer | 10,401 | $87.76 | $855,776 | 29,607 | — | plan? |
| Feb 28, 2015 FForm 4 → | Mar 3, 4:56 pm EST | Francis CarchediExecutive VP, Operations | 626 | $199.16 | $124,674 | 22,430 | — | plan? |
| Feb 28, 2015 FForm 4 → | Mar 3, 4:56 pm EST | Andrew C FlorancePresident and CEO, Director | 2,612 | $199.16 | $520,206 | 168,221 | — | plan? |
| Feb 21, 2015 FForm 4 → | Feb 24, 6:11 pm EST | Brian J RadeckiChief Financial Officer | 1,211 | $191.24 | $231,592 | 36,374 | — | plan? |
| Feb 21, 2015 FForm 4 → | Feb 24, 6:07 pm EST | Andrew C FlorancePresident and CEO, Director | 4,243 | $191.24 | $811,431 | 170,833 | — | plan? |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jul 31, 2026 AForm 4 → | Aug 4, 5:24 pm EDT | Robin Jack RossmannChief Financial Officer | 34,771 | — | — | 34,771 | — | |
| Jul 31, 2026 AForm 4 → | Aug 4, 5:24 pm EDT | Cynthia Cammett CannChief Accounting Officer | 26,078 | — | — | 26,078 | — | |
| Mar 4, 2019 MForm 4 → | Mar 4, 6:17 pm EST | Andrew C FlorancePresident and CEO, Director | 55,322 | — | — | 0 | — | |
| Mar 1, 2019 MForm 4 → | Mar 4, 6:20 pm EST | Matthew LinningtonExecutive VP, Sales | 516 | — | — | 0 | — | |
| Feb 7, 2019 AForm 4 → | Feb 11, 5:04 pm EST | Lisa RugglesSenior VP, Global Research | 3,800 | — | — | 3,800 | — | |
| Feb 7, 2019 AForm 4 → | Feb 11, 5:02 pm EST | Matthew LinningtonExecutive VP, Sales | 3,800 | — | — | 3,800 | — | |
| Feb 7, 2019 AForm 4 → | Feb 11, 5:01 pm EST | Scott T WheelerChief Financial Officer | 6,400 | — | — | 6,400 | — | |
| Feb 7, 2019 AForm 4 → | Feb 11, 4:59 pm EST | Andrew C FlorancePresident and CEO, Director | 22,200 | — | — | 22,200 | — | |
| Jul 30, 2018 MForm 4 → | Jul 31, 4:18 pm EDT | Matthew LinningtonExecutive VP, Sales | 4,384 | — | — | 3,500 | — | |
| Jul 27, 2018 MForm 4 → | Jul 31, 4:16 pm EDT | Scott T WheelerChief Financial Officer | 4,700 | — | — | 9,400 | — | |
| Jul 27, 2018 MForm 4 → | Jul 31, 4:15 pm EDT | Francis CarchediExecutive VP, Corp. Dev. | 27,832 | — | — | 0 | — | |
| Mar 7, 2018 MForm 4 → | Mar 9, 4:24 pm EST | Francis CarchediExecutive VP, Corp. Dev. | 12,100 | — | — | 0 | — | |
| Mar 2, 2018 MForm 4 → | Mar 6, 5:02 pm EST | Matthew LinningtonExecutive VP, Sales | 6,768 | — | — | 6,000 | — | |
| Feb 28, 2018 AForm 4 → | Mar 1, 4:39 pm EST | Lisa RugglesSenior VP, Global Research | 6,500 | — | — | 6,500 | — | |
| Feb 28, 2018 AForm 4 → | Mar 1, 4:35 pm EST | Scott T WheelerChief Financial Officer | 10,800 | — | — | 10,800 | — | |
| Feb 28, 2018 AForm 4 → | Mar 1, 4:33 pm EST | Francis CarchediExecutive VP, Corp. Dev. | 6,500 | — | — | 6,500 | — | |
| Feb 28, 2018 AForm 4 → | Mar 1, 4:32 pm EST | Matthew LinningtonExecutive VP, Sales | 6,000 | — | — | 6,000 | — | |
| Feb 27, 2018 AMForm 4 → | Mar 1, 4:26 pm EST | Andrew C FlorancePresident and CEO, Director | 111,055 | — | — | 31,000 | — | |
| Jul 31, 2017 MForm 4 → | Aug 1, 4:34 pm EDT | Matthew LinningtonExecutive VP, Sales | 1,032 | — | — | 6,168 | — | |
| May 2, 2017 MForm 4 → | May 3, 6:03 pm EDT | Francis CarchediExecutive VP, Corp. Dev. | 5,500 | — | — | 0 | — | |
| May 2, 2017 MForm 4 → | May 3, 6:02 pm EDT | Andrew C FlorancePresident and CEO, Director | 43,536 | — | — | 0 | — | |
| Mar 2, 2017 AForm 4 → | Mar 2, 6:17 pm EST | Matthew LinningtonExecutive VP, Sales | 11,300 | — | — | 11,300 | — | |
| Mar 2, 2017 AForm 4 → | Mar 2, 6:16 pm EST | Scott T WheelerChief Financial Officer | 14,100 | — | — | 14,100 | — | |
| Mar 2, 2017 AMForm 4 → | Mar 2, 6:15 pm EST | Francis CarchediExecutive VP, Corp. Dev. | 12,800 | — | — | 5,500 | — | |
| Mar 2, 2017 AForm 4 → | Mar 2, 6:14 pm EST | Andrew C FlorancePresident and CEO, Director | 34,600 | — | — | 34,600 | — | |
| Dec 29, 2016 MForm 4 → | Dec 29, 4:53 pm EST | Andrew C FlorancePresident and CEO, Director | 3,173 | — | — | 55,322 | — | |
| Mar 11, 2016 AForm 4 → | Mar 15, 5:58 pm EDT | Matthew LinningtonExecutive VP, Sales | 9,000 | — | — | 9,000 | — | |
| Mar 11, 2016 AForm 4 → | Mar 15, 5:58 pm EDT | Andrew C FlorancePresident and CEO, Director | 36,600 | — | — | 36,600 | — | amended |
| Mar 11, 2016 AForm 4 → | Mar 15, 5:57 pm EDT | Francis CarchediExecutive VP, Operations | 8,200 | — | — | 8,200 | — | amended |
| Dec 9, 2015 MForm 4 → | Dec 9, 5:05 pm EST | Andrew C FlorancePresident and CEO, Director | 10,086 | — | — | 40,550 | — | |
| Mar 13, 2015 MForm 4 → | Mar 13, 5:07 pm EDT | Brian J RadeckiChief Financial Officer | 4,500 | — | — | 4,500 | — | |
| Mar 5, 2015 AForm 4 → | Mar 9, 5:18 pm EDT | Andrew C FlorancePresident and CEO, Director | 32,200 | — | — | 32,200 | — | |
| Mar 5, 2015 AForm 4 → | Mar 9, 5:18 pm EDT | Francis CarchediExecutive VP, Operations | 8,500 | — | — | 8,500 | — | |
| Mar 5, 2015 AForm 4 → | Mar 9, 5:18 pm EDT | Matthew LinningtonExecutive Vice President Sales | 7,200 | — | — | — | — | |
| Mar 5, 2015 AForm 4 → | Mar 9, 5:17 pm EDT | Brian J RadeckiChief Financial Officer | 14,000 | — | — | 14,000 | — | |
| Mar 2, 2015 MForm 4 → | Mar 3, 4:56 pm EST | Brian J RadeckiChief Financial Officer | 9,134 | — | — | 9,000 | — |