FLORANCE ANDREW C

PrivateCIK: 1066061
Location

ARLINGTON, VA

FLORANCE ANDREW C (President and CEO) reported 2 transactions at COSTAR GROUP, INC.

Review the transaction codes below to understand the nature of each event.

InsiderFLORANCE ANDREW CCIK 1066061
→
IssuerCOSTAR GROUP, INC.CIK 1057352
DirectorOfficer· President and CEO
Since Feb 2026
-124.20K
Net shares
Net seller
$943.2K
Total sold
0
Open market trades
0B · 0S
2
Total transactions
124.20K disposed
Non-Derivative Transactions2

Common Stock, par value $0.01 per share

Direct
D · Disposition

Shares

−104.98K

Price / share

—

Trade value

—

% of position

6.3%
2/19/2026
1.66M→1.55M

Common Stock, par value $0.01 per share

Direct
F · Tax Withholding

Shares

−19.22K

Price / share

$49.07

Trade value

$943.17K

% of position

1.2%
2/19/2026
1.55M→1.53M
Total

Net shares

−124.20K

Net value

-$943.17K

Derivative Transactions0
No derivative transactions reported