Lisa C. McClain bought CoStar Group Inc (NASDAQ: CSGP)
Lisa C. McClain (R-MI), a U.S. Representative, has disclosed 3 trades in CoStar Group Inc (CSGP) since 2025, 1 purchase and 2 sales, worth an estimated $24K in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts).
The trade highlighted here is a purchase: Lisa C. McClain bought $1,001 - $15,000 of CoStar Group Inc (NASDAQ: CSGP) on August 13, 2025. Since that trade, CSGP is down -65.93% against the S&P 500 up +14.07%, an outperformance of -80.01%.
Across these filings, Lisa C. McClain has been a net seller of CSGP (a buy-to-sell ratio of 0.50). The most recent disclosed CSGP transaction shown was dated September 25, 2025. Each row in the table below links to that trade and its post-trade performance versus the market.
Data updated
Lisa C. McClain's CSGP trades vs the price
CSGP is down -65.93% since Lisa C. McClain bought on August 13, 2025, versus +14.07% for the S&P 500.
Performance since this trade
All Lisa C. McClain CSGP trades
Lisa C. McClain & CSGP trading FAQ
Is it legal for Lisa C. McClain to trade CoStar Group Inc (CSGP) stock?
Yes. Members of Congress are allowed to trade individual stocks, including CoStar Group Inc (CSGP), but the STOCK Act of 2012 requires them to publicly disclose each transaction within 45 days. Quantellect tracks those disclosures; this page does not imply the trade was improper.
When did Lisa C. McClain buy CSGP?
Lisa C. McClain disclosed a purchase of $1,001 - $15,000 of CoStar Group Inc (CSGP) on August 13, 2025, according to public STOCK Act filings.
How has CSGP performed since Lisa C. McClain's trade?
Since Lisa C. McClain bought CSGP on August 13, 2025, the stock is down -65.93%, versus +14.07% for the S&P 500 over the same period, an outperformance of -80.01%.
How many times has Lisa C. McClain traded CSGP?
Lisa C. McClain has disclosed 3 CSGP trades since 2025 (1 purchase and 2 sales). Every disclosed trade is listed on this page.
How soon must members of Congress disclose a trade?
Under the STOCK Act, members of Congress must publicly report a covered transaction within 45 days of the trade. Filings can still be delayed, amended, or contain errors.
Where can I see all congressional CSGP trades?
Quantellect tracks every disclosed congressional trade in CoStar Group Inc (CSGP) on the CoStar Group Inc congressional trading page, which aggregates filings across all members of Congress.
Lisa C. McClain's CSGP tradesAll congressional filings for CoStar Group IncLisa C. McClain's full profile
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. Estimated prices and post-trade returns are derived algorithmically from public filings and end-of-day market data and describe historical activity, not a recommendation. Always do your own research and consult a licensed financial advisor before making investment decisions.