February 15, 2026 · Form 4 insider transaction
SIMURO FRANK sold 4,151 shares of CoStar Group, Inc. at $44.99 per share, a transaction worth $186.8K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 3 days after the transaction.
On February 13, 2026, the last preceding business day, the closing price of the Company's Common Stock on Nasdaq was $44.99.