Arkolith/Insider Trading/CSGP/Form 4

Florance Andrew C

President and CEO, DirectorCOSTAR GROUP, INC. (CSGP) · full profile →Form 4 · filed Mar 3, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
2
1 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Mar 1, 2026Tax withholding(F)60K$44.63$2.7M1.5M

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Feb 27, 2026Grant(A)84K—$084K

Transaction Codes

F
Shares withheld for taxes
A
Grant / award

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001066061-26-000008) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML