SAINT FREDERICK G. 4
4 · COSTAR GROUP, INC. · Filed Mar 3, 2026
Insider Transaction Report
Form 4
SAINT FREDERICK G.
President, Marketplaces
Transactions
- Tax Payment
Common Stock, par value $0.01 per share
[F1]2026-03-01$44.63/sh−11,096$495,214→ 259,851 total - Purchase
Common Stock, par value $0.01 per share
[F2]2026-03-02$45.33/sh+20,000$906,600→ 279,851 total
Footnotes (2)
- [F1]On February 27, 2026, the last preceding business day, the closing price of the Company's common stock on Nasdaq was $44.63.
- [F2]Average based on sales prices ranging from $45.26 to $45.38
Signature
/s/ Gene Boxer, Attorney-in-Fact|2026-03-03