Lisa Ruggles - 15 Feb 2026 Form 4 Insider Report for COSTAR GROUP, INC. (CSGP)

Role
Senior VP, Global Operations
Signature
/s/ Gene Boxer, Attorney-in-Fact
Issuer symbol
CSGP
Transactions as of
15 Feb 2026
Net transactions value
-$160,884
Form type
4
Filing time
18 Feb 2026, 16:05:39 UTC
Previous filing
03 Jun 2025
Next filing
23 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Ruggles Lisa Senior VP, Global Operations C/O COSTAR GROUP, INC., 1201 WILSON BLVD., ARLINGTON /s/ Gene Boxer, Attorney-in-Fact 18 Feb 2026 0001717178

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 $160,884 -3,576 -1.7% $44.99 207,625 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