DESMARAIS MICHAEL J sold CSGP
March 1, 2026 · Form 4 insider transaction
DESMARAIS MICHAEL J sold 6,353 shares of CoStar Group, Inc. at $44.63 per share, a transaction worth $283.5K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Disposed (sell-side)
Shares
6,353
Price
$44.63
Total value
$283.5K
InsiderDESMARAIS MICHAEL J
Role—
CompanyCoStar Group, Inc. (CSGP)
SecurityCommon Stock, par value $0.01 per share
Transaction codeF: Shares withheld for taxes
Transaction dateMarch 1, 2026
Filing dateMarch 3, 2026
Shares owned after72,922
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
On February 27, 2026, the last preceding business day, the closing price of the Company's common stock on Nasdaq was $44.63.; Includes 157 shares acquired under the CoStar Group, Inc. Employee Stock Purchase Plan.