CoStar Group Inc Congressional Trading
According to U.S. congressional financial disclosures filed under the STOCK Act, members of Congress have reported 85 trades in CoStar Group Inc (NASDAQ: CSGP) since 2014, across 14 members, worth an estimated $1.3M in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts). 42 buys against 43 sells, a modestly sell-led skew, with Democratic members responsible for 81% of the trades and Republican members 19%. The most recent disclosure shown was filed August 2026, and Rohit Khanna has filed the most CSGP transactions among those shown, with 19. Other recent filers include Gilbert Cisneros and Lisa McClain. One notable disclosed move was a purchase by Gilbert Cisneros on September 22, 2025, down 62.0% since. These figures are drawn from public House and Senate periodic transaction reports and reflect what members were required to disclose, not the current market value of any position. CoStar Group Inc's current Quantellect Tide Score is 72 out of 100 (High Tide), Top 15% of universe (3876); the Tide Score is generated algorithmically from public filings and market data and is not investment advice. For the full record, including the month-by-month buy and sell timeline, the party breakdown, top buyers and sellers, and every individual filing, see the CoStar Group Inc (CSGP) stock overview and the complete trade table below.
Data updated
Price & congressional trade timeline
Party breakdown
CoStar Group congressional trading activity
| Politician | Published | Traded | Filed After | Type | Size | Return | Owner | |
|---|---|---|---|---|---|---|---|---|
 Rohit Khanna House | Aug 7, 2026 | Jul 20, 2026 | 18 days | SELL |  $1,001 - $15,000 | +10.55% | Spouse | |
Rohit Khanna House | Jul 6, 2026 | Jun 30, 2026 | 6 days | SELL | $1,001 - $15,000 | +15.85% | Spouse | |
Rohit Khanna House | Jul 6, 2026 | Jun 16, 2026 | 20 days | BUY | $1,001 - $15,000 | +2.63% | Spouse | |
Rohit Khanna House | Jun 9, 2026 | May 27, 2026 | 13 days | BUY | $1,001 - $15,000 | +1.52% | Spouse | |
Rohit Khanna House | May 11, 2026 | Apr 24, 2026 | 17 days | SELL | $1,001 - $15,000 | -9.96% | Spouse | |
 Gilbert Cisneros House | May 8, 2026 | Apr 14, 2026 | 24 days | SELL | $1,001 - $15,000 | -12.74% | Self | |
Rohit Khanna House | May 11, 2026 | Apr 13, 2026 | 28 days | SELL | $1,001 - $15,000 | -11.47% | Spouse | |
Rohit Khanna House | Apr 7, 2026 | Mar 30, 2026 | 8 days | SELL | $1,001 - $15,000 | -19.74% | Child | |
Rohit Khanna House | Apr 7, 2026 | Mar 23, 2026 | 15 days | BUY | $1,001 - $15,000 | -23.54% | Spouse | |
Gilbert Cisneros House | Apr 7, 2026 | Mar 13, 2026 | 25 days | BUY | $1,001 - $15,000 | -24.80% | Self |
CoStar Group (CSGP) congressional trading FAQ
Can members of Congress legally trade CoStar Group (CSGP) stock?
Yes. Members of Congress are permitted to trade individual stocks, including CoStar Group (CSGP), but the STOCK Act of 2012 requires them to publicly disclose each transaction within 45 days. Quantellect tracks those disclosures; it does not imply any trade was improper.
Are congressional CoStar Group (CSGP) trades public?
Yes. Every congressional trade in CoStar Group (CSGP) on this page comes from mandatory public STOCK Act disclosure filings, which are filed with a delay and may be revised.
How many times has Congress traded CoStar Group (CSGP)?
Members of Congress have disclosed 85 trades in CoStar Group (CSGP) worth $1.3M across 14 members, according to public STOCK Act filings.
Which members of Congress have traded CoStar Group (CSGP)?
Recent and active filers of CoStar Group (CSGP) disclosures include Rohit Khanna, Gilbert Cisneros, Lisa McClain. The full member-by-member trade list is on this page.
Do Democrats or Republicans trade CoStar Group (CSGP) more?
Across disclosed CoStar Group (CSGP) trades, 81% were by Democrats and 19% by Republicans, led by Democrats (81%).
What is the most recent congressional CoStar Group (CSGP) trade?
The most recent disclosed CoStar Group (CSGP) trade was a sale by Rohit Khanna, filed Aug 6, 2026.
What is CoStar Group (CSGP)'s Tide Score?
CoStar Group (CSGP) has a Quantellect Tide Score of 72 (High Tide). The Tide Score is a 0-100 read blending price forecast, smart-money flow, technicals, and social sentiment; higher is more bullish.
Browse all stocks Congress tradesCongressional trading overviewCoStar Group (CSGP) stock overview
Not investment advice. Congressional trading data is sourced from public STOCK Act disclosures, which are filed with a delay and may contain errors or be revised. The Tide Score and other figures are generated algorithmically from public filings and market data and describe historical activity, not a recommendation. Always do your own research and consult a licensed financial advisor before making investment decisions.