DESMARAIS MICHAEL J

PrivateCIK: 1925959
Location

ARLINGTON, VA

DESMARAIS MICHAEL J (Chief Human Resources Officer) reported 1 transaction at COSTAR GROUP, INC.

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

InsiderDESMARAIS MICHAEL JCIK 1925959
IssuerCOSTAR GROUP, INC.CIK 1057352
Officer· Chief Human Resources Officer
Since Apr 2022
+11.57K
Net shares
Net buyer
$283.5K
Total sold
0
Open market trades
0B · 0S
2
Total transactions
17.93K acquired · 6.35K disposed
Non-Derivative Transactions1

Common Stock, par value $0.01 per share

Direct
F · Tax Withholding

Shares

6.35K

Price / share

$44.63

Trade value

$283.53K

% of position

8.0%
3/1/2026
79.28K72.92K
Total

Net shares

6.35K

Net value

-$283.53K

Derivative Transactions1

Restricted Stock Units

Direct
A · Award
Converts to

Common Stock, par value $0.01 per share

17.93K shares

Shares

+17.93K

Strike price

Held after

17.93K

Exercisable

2/27/2026
DESMARAIS MICHAEL J — Insider Transaction (Form 4) Filed Mar 3, 2026 | Finecho