Sams Louise S bought CSGP
March 6, 2026 · Form 4 insider transaction
Sams Louise S bought 1,000 shares of CoStar Group, Inc. at $48.36 per share, a transaction worth $48.4K. The trade was recorded as open-market purchase and disclosed on an SEC Form 4, filed 3 days after the transaction.
Direction
Acquired (buy-side)
Shares
1,000
Price
$48.36
Total value
$48.4K
InsiderSams Louise S
Role—
CompanyCoStar Group, Inc. (CSGP)
SecurityCommon Stock, par value $0.01 per share
Transaction codeP: Open-market purchase
Transaction dateMarch 6, 2026
Filing dateMarch 9, 2026
Shares owned after20,409
OwnershipDirect
10b5-1 planNo
AmendedNo