InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
0
T+90 hit rate
67%
T+90 mean return
+0.0%
Across 3 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the detailed record of transactions filed by Musslewhite Robert W, Président, Directeur. Director active across 3 companies, notably Costar Group, INC.. Cumulatively, 19 disclosures have been recorded. History available since 15 September 2021. The latest transaction was disclosed on 9 September 2025 (Attribution). Regulator: SEC (Form 4). The full history is accessible without signup.
Declarations19 total
8,262 sharesCommon Stock, par value $0.01 per shareSEC:0001390194-26-000002:0
3,121 shares0Common Stock, par value $0.01 per shareSEC:0001390194-25-000005:0
1,049 shares0Common SharesSEC:0000721371-25-000029:0
3,293 shares0Common Stock, par value $0.01 per shareSEC:0001057352-24-000112:0
14,207 shares@ US$9.004.7% of flowClass A Common StockSEC:0001209191-24-001241:0
12,656 shares@ US$7.273.5% of flowClass A Common StockSEC:0001209191-23-054609:0
3,532 shares0Common Stock, par value $0.01 per shareSEC:0001057352-23-000136:0
20,016 shares@ US$7.205.5% of flowClass A Common StockSEC:0001209191-23-052546:0
12,657 shares@ US$11.315.2% of flowClass A Common StockSEC:0001209191-23-044996:0
20,016 shares@ US$10.677.8% of flowClass A Common StockSEC:0001209191-23-042016:0
53,587 shares@ US$9.9019.2% of flowClass A Common StockSEC:0001209191-23-027929:0
15,616 shares@ US$10.476.0% of flowClass A Common StockSEC:0001209191-23-023998:0
368,422 shares0Class A Common StockSEC:0001209191-23-011183:0
14,026 shares@ US$10.415.5% of flowClass A Common StockSEC:0001209191-23-002776:0
70,658 shares@ US$14.8242.7% of flowClass A Common StockSEC:0001209191-22-053458:0
3,380 shares0Common Stock, par value $0.01 per shareSEC:0001057352-22-000103:0
333,322 sharesClass A Common StockSEC:0000899243-22-016862:0
650,000 sharesClass A Common StockSEC:0000899243-21-039755:0
2,811 shares@ US$88.950.0016% mcap50.0% of flowCommon Stock, par value $0.01 per shareSEC:0001057352-21-000096:0
19 of 19 declarations
About Musslewhite Robert W
Robert W. Musslewhite serves as President and Director at CoStar Group, Inc. and Definitive Healthcare Corp. In these roles, he oversees the strategic direction and operations of the companies, contributing to their growth and success.
