President and CEO
Disclosures on record
10
Companies involved
1
2 buys, median -28.9% vs S&P 500, beat it 0 of 2 times.
Average -28.9% vs S&P 500. Each buy is one disclosure of open-market purchases in one company on one filing date, filed Mar 2, 2026 to May 4, 2026, measured from the first close after the filing. Past results, not a forecast.
Stock since the trade -7.0% · S&P 500 -0.9% · to Oct 1Traded 7 days after resultsStock 10% above its 52-week low and 69% below its high
1.72M → 1.81M shares held+5% of their stake
The boss of CoStar Group spent $2.49M of their very own money to buy CoStar Group shares.
Stock since the trade -20.2% · S&P 500 +6.0% · to Oct 1Traded 3 days after resultsStock within 2% of its 52-week low, after a 19% drop in the previous month
1.65M → 1.72M shares held+4% of their stake
The boss of CoStar Group spent $2.4M of their very own money to buy CoStar Group shares.
Stock since the trade -20.2% · S&P 500 +6.0% · to Oct 1Traded 3 days after resultsStock within 2% of its 52-week low, after a 19% drop in the previous month
1.72M → 1.72M shares held
The boss of CoStar Group spent $111K of their very own money to buy CoStar Group shares.
Compensation award — excluded from discretionary-purchase analysis.
Compensation award — excluded from discretionary-purchase analysis.
Routine share withholding; mechanical by default.
Stock since the trade -37.9% · S&P 500 +11.4% · to Oct 1Traded 3 days after resultsStock at its 52-week low, after a 30% drop in the previous month
1.53M → 1.59M shares held+4% of their stake
Not classified as an open-market trade.
Routine share withholding; mechanical by default.
Routine share withholding; mechanical by default.
The boss of CoStar Group spent $2.48M of their very own money to buy CoStar Group shares. 3 other people at CoStar Group bought some too, in the same month.
