Andrew C. Florance - 27 Feb 2026 Form 4 Insider Report for COSTAR GROUP, INC. (CSGP)

Role
President and CEO, Director
Signature
/s/ Gene Boxer, Attorney-in-Fact
Issuer symbol
CSGP
Transactions as of
27 Feb 2026
Net transactions value
+$2,480,654
Form type
4
Filing time
02 Mar 2026, 16:00:49 UTC
Previous filing
23 Feb 2026
Next filing
11 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
FLORANCE ANDREW C President and CEO, Director C/O COSTAR GROUP, INC., 1201 WILSON BLVD., ARLINGTON /s/ Gene Boxer, Attorney-in-Fact 02 Mar 2026 0001066061

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CSGP Common Stock, par value $0.01 per share Purchase $2,480,654 +55,720 +3.6% $44.52 1,586,866 27 Feb 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Average based on sales prices ranging from $44.08 to $44.74.