Andrew C. Florance - 15 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
15 Feb 2026
Net transactions value
-$786,515
Form type
4
Filing time
18 Feb 2026, 16:05:47 UTC
Previous filing
07 Mar 2025
Next filing
23 Feb 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 18 Feb 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 Tax liability $786,515 -17,482 -1% $44.99 1,655,350 15 Feb 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 On February 13, 2026, the last preceding business day, the closing price of the Company's common stock on Nasdaq was $44.99.

Remarks:

Exhibit 24 - Power of Attorney