Costar Group, Inc. - CSGP

  1. All Sectors
  2. Services
  3. Business Services
  4. Business Services, Nec
Latest data: 3/19/2026 10:04:25 PM
EDGAR CIK 0001057352

Buy Breakdown

Total $3,480,554

Sell Breakdown

Total $7,086,436

Monthly Totals

Transaction Filed Name Type Shares @ Price Value Balance change Ownership
03/06/2026
03/09/2026
Sams Louise S
Director
Buy
1,000 @ $48.36
$48,360.00
 20,409 (5.15%) Direct
03/02/2026
03/03/2026
Glaser Rachel C
Director
Buy
1,000 @ $44.94
$44,940.00
 4,157 (31.68%) Direct
03/02/2026
03/03/2026
Saint Frederick G.
President, Marketplaces
Officer
Buy
20,000 @ $45.33
$906,600.00
 279,851 (7.70%) Direct
02/27/2026
03/02/2026
Florance Andrew C
President and CEO
CEO Director
Buy
55,720 @ $44.52
$2,480,654.40
 1,586,866 (3.64%) Direct
11/13/2025
11/17/2025
Cann Cynthia Cammett
Chief Accounting Officer
Officer
Sell
-1,841 @ $68.79
($126,642.39)
 23,211 (-7.35%) Direct
11/13/2025
11/17/2025
Hill John W
Director
Sell
-2,250 @ $68.68
($154,530.00)
 18,231 (-10.99%) Direct
08/28/2025
09/02/2025
Saint Frederick G.
President, Marketplaces
Officer
Sell
-25,000 @ $90.33
($2,258,250.00)
 293,103 (-7.86%) Direct
07/28/2025
07/29/2025
Cann Cynthia Cammett
Chief Accounting Officer
Officer
Sell
-2,033 @ $92.85
($188,764.05)
 25,771 (-7.31%) Direct
07/28/2025
07/29/2025
Saint Frederick G.
President, Marketplaces
Officer
Sell
-25,000 @ $93.23
($2,330,750.00)
 319,539 (-7.26%) Direct
06/11/2025
06/12/2025
Saint Frederick G.
President, Marketplaces
Officer
Sell
-25,000 @ $81.10
($2,027,500.00)
 344,539 (-6.77%) Direct