Congress Trades

Coverage gap. Senate eFD: the last 15 checks failed; last successful check Oct 23. New filings from this source are not coming in. Newest Senate eFD filing on this site: 2026-10-21.

Source status

CSGPCoStar Group, Inc.

Real Estate · Real Estate ServicesNasdaqStockMkt cap $12.2B
Disclosed trades
77
0 in 30d · 3 in 90d
Politicians
11
Last trade Sep 25, 2026
Buys
45
$450K at range midpoints
Sells
32
$539K at range midpoints

Closing price · 365 days

Nov 7, 2025 – Nov 6, 2026

Monthly buys vs sells · 24 months

Counts of disclosed transactions
  • Buys
  • Sells (incl. partial)

Politicians who traded it

4 hold it now Estimated
Politicians who traded CSGP
PoliticianSeatTradesBuysSellsBought (mid)Sold (mid)Last tradeEst. position Estimated
DRo KhannaHouse · CA-17432716$208K$128KSep 25, 2026$43.2K
DGilbert Ray Cisneros, Jr.House · CA-3118144$161K$32KAug 19, 2026$61.9K
RGreg GianforteHouse · MT-00303$0$258KOct 13, 2020—
DJosh GottheimerHouse · NJ-05303$0$24KFeb 5, 2021—
DDaniel S. GoldmanHouse · NY-10211$32.5K$32.5KApr 10, 2023$14.4K
RJefferson ShreveHouse · IN-06211$32.5K$32.5KMay 12, 2025—
RLisa C. McClainHouse · MI-09211$8K$8KSep 25, 2025—
DJulie JohnsonHouse · TX-32101$0$8KJan 15, 2025—
RRobert P. Bresnahan, Jr.House · PA-08101$0$8KMay 15, 2025—
DSusie LeeHouse · NV-03101$0$8KDec 22, 2020—
DWilliam R. KeatingHouse · MA-09110$8K$0Jan 21, 2025$3.3K

Recent trades

Disclosed trades
PoliticianTickerAssetTypeOwnerAmountvs S&P EstimatedTradedFiledSource
DRo KhannaCSGPCOSTAR GROUP INC CMNBuySpouse$1,001 - $15,000+16.1%Sep 25, 2026Oct 7, 202612dFilingOCR
DRo KhannaCSGPCOSTAR GROUP INC. CMNBuyDependent$1,001 - $15,000+16.1%Sep 11, 2026Oct 7, 202626dFilingOCR
DGilbert Ray Cisneros, Jr.CSGPCoStar Group, Inc. - Common Stock (CSGP)BuySelf$1,001 - $15,000+6.6%Aug 19, 2026Sep 10, 202622dFiling
DRo KhannaCSGPCOSTAR GROUP INC. CMNBuySpouse$1,001 - $15,000+5.9%Jul 20, 2026Aug 7, 202618dFilingOCR
DRo KhannaCSGPCOSTAR GROUP,INC CMNSellSpouse$1,001 - $15,000-8.6%Jun 30, 2026Jul 6, 20266dFilingOCR
DRo KhannaCSGPCOSTaR GROUP, InC, CMNBuySpouse$1,001 - $15,000+8.6%Jun 16, 2026Jul 6, 202620dFilingOCR
DRo KhannaCSGPCOSTAR GROUP, INC. CMNBuySpouse$1,001 - $15,000-9.7%May 27, 2026Jun 9, 202613dFilingOCR
DRo KhannaCSGPCOSTAR GROUP, INC. CMNSellSpouse$1,001 - $15,000+6.7%Apr 24, 2026May 11, 202617dFilingOCR
DRo KhannaCSGPCOSTAR GROUP, INC. CMNSellSpouse$1,001 - $15,000+6.7%Apr 13, 2026May 11, 202628dFilingOCR
DGilbert Ray Cisneros, Jr.CSGPCoStar Group, Inc. - Common Stock (CSGP)PartialSelf$1,001 - $15,000+6.5%Apr 14, 2026May 8, 202624dFiling
DRo KhannaCSGPCOSTAR GROUP INC. CMNSellDependent$1,001 - $15,000+34.2%Mar 30, 2026Apr 7, 20268dFilingOCR
DRo KhannaCSGPCOSTAR GROUP INC CMNBuySpouse$1,001 - $15,000-34.2%Mar 23, 2026Apr 7, 202615dFilingOCR
DGilbert Ray Cisneros, Jr.CSGPCoStar Group, Inc. - Common Stock (CSGP)BuySelf$1,001 - $15,000-34.2%Mar 13, 2026Apr 7, 202625dFiling
DRo KhannaCSGPCOSTARGROUP INC CMNBuySpouse$1,001 - $15,000-34.2%Mar 10, 2026Apr 7, 202628dFilingOCR
DRo KhannaCSGPCOSTAR GROUP, INC. CMNBuyReviewDependent—-45.3%Feb 24, 2026Mar 9, 202613dFilingOCR
DRo KhannaCSGPCOSTAR GROUP, INC. CMNBuySpouse$1,001 - $15,000-45.3%Feb 17, 2026Mar 9, 202620dFilingOCR
DRo KhannaCSGPCOSTAR GROUP, INC. CMNSellSpouse$1,001 - $15,000+45.3%Feb 5, 2026Mar 9, 202632dFilingOCR
DGilbert Ray Cisneros, Jr.CSGPCoStar Group, Inc. - Common Stock (CSGP)BuySelf$1,001 - $15,000-39.9%Jan 28, 2026Feb 13, 202616dFiling
DRo KhannaCSGPCOSTARGROUP,INC,CMNBuySpouse$1,001 - $15,000-45.7%Jan 29, 2026Feb 6, 20268dFilingOCR
DRo KhannaCSGPCOSTAR GROUP, INC, CMNSellSpouse$1,001 - $15,000+45.7%Jan 13, 2026Feb 6, 202624dFilingOCR
DRo KhannaCSGPCOSTAR GROUP, INC. CMNSellDependent$1,001 - $15,000+45.7%Jan 6, 2026Feb 6, 202631dFilingOCR
DGilbert Ray Cisneros, Jr.CSGPCoStar Group, Inc. - Common Stock (CSGP)BuySelf$1,001 - $15,000-54.3%Dec 10, 2025Jan 12, 202633dFiling
DRo KhannaCSGPCOSTAR GROUP,INC. CMNBuySpouse$1,001 - $15,000-60.8%Dec 12, 2025Jan 6, 202625dFilingOCR
DRo KhannaCSGPCOSTAR GROUP, INC. CMNBuyDependent$1,001 - $15,000-60.8%Dec 5, 2025Jan 6, 202632dFilingOCR
DRo KhannaCSGPCOSTAR GROUP,INC, CMNSellSpouse$1,001 - $15,000+61.5%Nov 10, 2025Dec 8, 202528dFilingOCR
DRo KhannaCSGPCOSTARGROUP,INC.CMNSellDependent$1,001 - $15,000+61.5%Nov 3, 2025Dec 8, 202535dFilingOCR
DGilbert Ray Cisneros, Jr.CSGPCoStar Group, Inc. - Common Stock (CSGP)BuySelf$1,001 - $15,000-65.7%Oct 15, 2025Nov 18, 202534dFiling
RLisa C. McClainCSGPCoStar Group, Inc. - Common Stock (CSGP)SellSpouse$1,001 - $15,000+70.5%Sep 25, 2025Oct 22, 202527dFiling
DGilbert Ray Cisneros, Jr.CSGPCoStar Group, Inc. - Common Stock (CSGP)BuySelf$1,001 - $15,000-72.2%Sep 30, 2025Oct 10, 202510dFiling
DGilbert Ray Cisneros, Jr.CSGPCoStar Group, Inc. - Common Stock (CSGP)BuySelf$1,001 - $15,000-72.2%Sep 22, 2025Oct 10, 202518dFiling
RLisa C. McClainCSGPCoStar Group, Inc. - Common Stock (CSGP)BuySpouse$1,001 - $15,000-76.7%Aug 13, 2025Sep 12, 202530dFiling
DGilbert Ray Cisneros, Jr.CSGPCoStar Group, Inc. - Common Stock (CSGP)BuySelf$1,001 - $15,000-79.3%Jul 31, 2025Aug 14, 202514dFiling
DGilbert Ray Cisneros, Jr.CSGPCoStar Group, Inc. - Common Stock (CSGP)BuySelf$1,001 - $15,000-79.3%Jul 9, 2025Aug 14, 202536dFiling
DGilbert Ray Cisneros, Jr.CSGPCoStar Group, Inc. - Common Stock (CSGP)BuySelf$1,001 - $15,000-82.0%Jun 30, 2025Jul 10, 202510dFiling
DGilbert Ray Cisneros, Jr.CSGPCoStar Group, Inc. - Common Stock (CSGP)BuySelf$15,001 - $50,000-82.0%Jun 27, 2025Jul 10, 202513dFiling
DGilbert Ray Cisneros, Jr.CSGPCoStar Group, Inc. - Common Stock (CSGP)BuySelf$1,001 - $15,000-82.0%Jun 25, 2025Jul 10, 202515dFiling
RJefferson ShreveCSGPCoStar Group, Inc. - Common Stock (CSGP)SellSelf$15,001 - $50,000+84.3%May 12, 2025Jun 22, 202541dFiling
RRobert P. Bresnahan, Jr.CSGPCoStar Group, Inc. - Common Stock (CSGP)SellSelf$1,001 - $15,000+82.4%May 15, 2025May 31, 202516dFiling
DRo KhannaCSGPCOSTAR GROUP, INC. CMNBuyDependent$1,001 - $15,000-99.7%Mar 12, 2025Apr 10, 202529dFilingOCR
RJefferson ShreveCSGPCoStar Group, Inc. - Common Stock (CSGP)BuySelf$15,001 - $50,000-92.9%Feb 24, 2025Mar 9, 202513dFiling
DWilliam R. KeatingCSGPCoStar Group, Inc. - Common Stock (CSGP)BuySelf$1,001 - $15,000-84.4%Jan 21, 2025Feb 25, 202535dFiling
DJulie JohnsonCSGPCoStar Group, Inc. - Common Stock (CSGP)SellJoint$1,001 - $15,000+80.2%Jan 15, 2025Feb 12, 202528dFiling
DRo KhannaCSGPCOSTAR GROUP, INC. CMNBuySpouse$1,001 - $15,000-82.2%Jan 17, 2025Feb 6, 202520dFilingOCR
DRo KhannaCSGPCOSTAR GROUP, INC. CMNBuyDependent$1,001 - $15,000-96.6%Aug 5, 2024Sep 6, 202432dFilingOCR
DRo KhannaCSGPCOSTAR GROUP, INC. CMNPartialSpouse$1,001 - $15,000+96.6%Aug 2, 2024Sep 6, 202435dFilingOCR
DRo KhannaCSGPCOSTAR GROUP, INC. CMNPartialSpouse$1,001 - $15,000+96.6%Aug 2, 2024Sep 6, 202435dFilingOCR
DRo KhannaCSGPCOSTAR GROUP, INC. CMNSellDependent$1,001 - $15,000+100.4%Jul 2, 2024Aug 7, 202436dFilingOCR
DRo KhannaCSGPCOSTAR GROUP, INC CMNBuySpouse$1,001 - $15,000-100.4%Jul 1, 2024Aug 7, 202437dFilingOCR
DRo KhannaCSGPCOSTAR GROUP, INC. CMNSellSpouse$1,001 - $15,000+98.4%May 28, 2024Jun 5, 20248dFilingOCR
DRo KhannaCSGPCOSTAR GROUP, INC, CMNBuySpouse$1,001 - $15,000-108.9%Apr 23, 2024May 6, 202413dFilingOCR

Insider activity Filed

Insiders
20
Services-Business Services, NEC
Open-market buys · 90d
0
$0 bought
Open-market sells · 90d
0
$0 sold
Net · 90d
$0
$8M net over 12 months · last Oct 15, 2026
Insider transactions as filed on SEC Form 4
DateInsiderKindSecuritySharesPriceValuePost-holdingsD/I10b5-1Source
Oct 15, 2026filed Oct 16, 2026Robin Jack RossmannChief Financial OfficerWithholdingCommon Stock, par value $0.01 per share−756$32.00$24,19285,935D—4
Aug 7, 2026filed Aug 10, 2026Cynthia Cammett CannChief Accounting OfficerSaleCommon Stock, par value $0.01 per share−4,788$30.78$147,37518,822D—4
Aug 5, 2026filed Aug 10, 2026John W HillSaleCommon Stock, par value $0.01 per share−3,500$30.21$105,73522,993D—4
Aug 4, 2026filed Aug 5, 2026Andrew C FloranceFounder and CEOBuyCommon Stock, par value $0.01 per share83,300$29.89$2,489,8371,806,165.03D—4
Aug 1, 2026filed Aug 4, 2026Cynthia Cammett CannChief Accounting OfficerWithholdingCommon Stock, par value $0.01 per share−1,077$28.76$30,97523,610D—4
Aug 1, 2026filed Aug 4, 2026Frederick G. SaintPresident, MarketplacesWithholdingCommon Stock, par value $0.01 per share−1,436$28.76$41,299278,415D—4
Jul 31, 2026filed Aug 4, 2026Robin Jack RossmannChief Financial OfficerAwardRestricted Stock Unitsderiv.34,771$0.00—34,771D—4
Jul 31, 2026filed Aug 4, 2026Cynthia Cammett CannChief Accounting OfficerAwardRestricted Stock Unitsderiv.26,078$0.00—26,078D—4
Jul 1, 2026filed Jul 6, 2026Christian M. LownChief Financial OfficerWithholdingCommon Stock, par value $0.01 per share−5,597$29.36$164,328129,653D—4
Jun 23, 2026filed Jun 24, 2026Rachel C GlaserAwardCommon Stock, par value $0.01 per share8,262$0.00$012,419D—4

Shares, prices and post-transaction holdings are exactly as reported on SEC Form 4. Net figures count open-market buys minus open-market sales only (awards, exercises, withholding and gifts are excluded).

Unusual activity Estimated